{"id":43057,"date":"2026-08-07T13:29:52","date_gmt":"2026-08-07T06:29:52","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=43057"},"modified":"2026-08-07T13:30:06","modified_gmt":"2026-08-07T06:30:06","slug":"harness-agent-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/harness-agent-la-gi\/","title":{"rendered":"Harness Agent L\u00e0 G\u00ec? Gi\u1ea3i Ph\u1eabu Th\u00e0nh Ph\u1ea7n &#038; C\u00e1ch T\u1ef1 Host Tr\u00ean M\u00e1y Ch\u1ee7"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-size: 100%;\"><strong>Harness agent l\u00e0 g\u00ec<\/strong> m\u00e0 developer, AI engineer n\u00e0o c\u0169ng nh\u1eafc nh\u01b0ng \u00edt ng\u01b0\u1eddi gi\u1ea3i th\u00edch r\u00f5? N\u1ebfu b\u1ea1n \u0111ang x\u00e2y <a href=\"https:\/\/interdata.vn\/blog\/ai-agent-la-gi\/\">AI Agent<\/a> v\u00e0 th\u1eafc m\u1eafc v\u00ec sao agent c\u1ee7a m\u00ecnh g\u1ecdi tool sai, m\u1ea5t ng\u1eef c\u1ea3nh gi\u1eefa ch\u1eebng ho\u1eb7c ch\u1ea1y kh\u00f4ng ki\u1ec3m so\u00e1t \u2014 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng n\u1eb1m \u1edf harness, kh\u00f4ng ph\u1ea3i model. B\u00e0i vi\u1ebft t\u1eeb <a href=\"\/\">InterData<\/a> s\u1ebd m\u1ed5 x\u1ebb t\u1eebng th\u00e0nh ph\u1ea7n c\u1ee7a agent harness, ph\u00e2n bi\u1ec7t r\u00f5 v\u1edbi AI agent v\u00e0 framework, \u0111\u1ed3ng th\u1eddi h\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ef1 host tr\u00ean m\u00e1y ch\u1ee7 ri\u00eang.<\/span><\/p>\n<div style=\"background-color: #eff6ff; padding: 20px; border: 1.5px solid #BFDBFE; border-radius: 12px; margin-bottom: 40px; box-shadow: 0 8px 20px rgba(37,99,235,0.05);\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; font-size: 18px; margin: 0 0 15px; color: #1e3a8a;\">N\u1ed8I DUNG B\u00c0I VI\u1ebeT<\/p>\n<ul style=\"list-style-type: none; padding-left: 0; margin: 0;\">\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section1\">1. Harness Agent L\u00e0 G\u00ec? Ph\u00e2n Bi\u1ec7t Ngay V\u1edbi Harness.io DevOps Agent<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section2\">2. C\u00f4ng Th\u1ee9c Agent = Model + Harness Ngh\u0129a L\u00e0 G\u00ec?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section3\">3. Gi\u1ea3i Ph\u1eabu 9 Th\u00e0nh Ph\u1ea7n C\u1ee7a M\u1ed9t Agent Harness<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section4\">4. Agent Harness Kh\u00e1c G\u00ec Agent Framework (LangChain, n8n)?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section5\">5. V\u00ec Sao Harness Quy\u1ebft \u0110\u1ecbnh Agent Ch\u1ea1y T\u1ed1t Hay Th\u1ea5t B\u1ea1i?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section6\">6. T\u1ef1 Host Agent Harness Tr\u00ean M\u00e1y Ch\u1ee7 C\u1ea7n Nh\u1eefng G\u00ec?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section7\">7. Ch\u1ecdn VPS Hay Cloud Server \u0110\u1ec3 Ch\u1ea1y Agent Harness?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section8\">8. C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p V\u1ec1 Harness Agent (FAQ)<\/a><\/li>\n<\/ul>\n<\/div>\n\n\n<style>\n.interdata-plan-carousel,.interdata-plan-carousel *{box-sizing:border-box}\n.interdata-plan-carousel{--blue:#005bea;--blue-dark:#004dcc;--text:#071832;--muted:#516173;--border:#d8e6fb;--bg:#f3f8ff;--shadow:0 5px 14px rgba(0,62,145,.08);background:var(--bg);padding:14px 56px 18px;position:relative;overflow:hidden;border-radius:20px;}\n.interdata-carousel-heading{color:#f00;font-family:Roboto,sans-serif;font-size:18px;line-height:1.35;font-weight:800;text-align:center;margin:0 0 14px}\n.interdata-plan-viewport{overflow:hidden;width:100%}\n.interdata-plan-track{display:flex;align-items:stretch;gap:12px;overflow:visible;padding:0 0 4px;transform:translate3d(0,0,0);transition:transform .45s ease;will-change:transform;touch-action:pan-y}\n.interdata-plan-card{flex:0 0 calc((100% - 24px)\/3);min-width:0;min-height:0!important;height:auto;background:#fff;border:1px solid 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16px}.interdata-plan-card{flex-basis:100%}.interdata-plan-price{font-size:23px}.interdata-carousel-arrow{width:34px;height:44px}.interdata-carousel-mark{font-size:32px!important}.interdata-carousel-prev{left:3px}.interdata-carousel-next{right:3px}}\n<\/style>\n\n<div class=\"interdata-plan-carousel\" data-interdata-carousel>\n  <div class=\"interdata-carousel-heading\">Si\u00eau \u01afu \u0110\u00e3i <a href=\"https:\/\/interdata.vn\/blog\/vps-la-gi\/\">VPS<\/a> \/ CLOUD SERVER - Ti\u1ebft Ki\u1ec7m \u0110\u1ebfn 70%<\/div>\n\n  <svg width=\"0\" height=\"0\" style=\"position:absolute;visibility:hidden\" aria-hidden=\"true\">\n    <symbol id=\"id-icon-cpu\" viewBox=\"0 0 24 24\"><rect x=\"7\" y=\"7\" width=\"10\" height=\"10\" rx=\"2\"><\/rect><path d=\"M4 9h3M4 15h3M17 9h3M17 15h3M9 4v3M15 4v3M9 17v3M15 17v3\"><\/path><path d=\"M10 10h4v4h-4z\"><\/path><\/symbol>\n    <symbol id=\"id-icon-ram\" viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"8\" width=\"16\" height=\"8\" rx=\"2\"><\/rect><path d=\"M7 16v2M11 16v2M15 16v2M19 16v2M7 11h1M11 11h1M15 11h1\"><\/path><\/symbol>\n    <symbol id=\"id-icon-storage\" viewBox=\"0 0 24 24\"><rect x=\"6\" y=\"3\" width=\"12\" height=\"18\" rx=\"2\"><\/rect><path d=\"M9 7h6\"><\/path><circle cx=\"12\" cy=\"16\" r=\"1.5\"><\/circle><\/symbol>\n    <symbol id=\"id-icon-network\" viewBox=\"0 0 24 24\"><path d=\"M5 12.5a10 10 0 0 1 14 0\"><\/path><path d=\"M8.5 16a5 5 0 0 1 7 0\"><\/path><path d=\"M12 19h.01\"><\/path><\/symbol>\n    <symbol id=\"id-icon-gift\" viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"8\" width=\"18\" height=\"13\" rx=\"2\"><\/rect><path d=\"M12 8v13M3 12h18\"><\/path><path d=\"M7.5 8C6.1 8 5 6.9 5 5.5S6.1 3 7.5 3C10 3 12 8 12 8\"><\/path><path d=\"M16.5 8C17.9 8 19 6.9 19 5.5S17.9 3 16.5 3C14 3 12 8 12 8\"><\/path><\/symbol>\n  <\/svg>\n\n  <button class=\"interdata-carousel-arrow interdata-carousel-prev\" type=\"button\" aria-label=\"Xem 3 g\u00f3i tr\u01b0\u1edbc\" onclick=\"var r=this.closest('[data-interdata-carousel]');if(!r)return false;var t=r.querySelector('.interdata-plan-track'),c=t?t.querySelectorAll('.interdata-plan-card'):[];if(!t||!c.length)return false;var v=window.matchMedia('(max-width:480px)').matches?1:(window.matchMedia('(max-width:800px)').matches?2:3),m=Math.max(0,c.length-Math.min(v,c.length||1)),s=[],i=0;while(i&lt;m){s.push(i);i+=v}if(!s.length||s[s.length-1]!==m)s.push(m);var p=parseInt(r.getAttribute('data-inline-page')||'0',10);p=(p-1+s.length)%s.length;r.setAttribute('data-inline-page',p);var g=parseFloat(window.getComputedStyle(t).gap)||12,w=c[0].getBoundingClientRect().width;t.style.transition='transform .45s ease';t.style.transform='translate3d('+(-(w+g)*s[p])+'px,0,0)';return false;\">\n    <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M15 18l-6-6 6-6\"><\/path><\/svg>\n    <span class=\"interdata-carousel-mark\" aria-hidden=\"true\">&#8249;<\/span>\n  <\/button>\n\n  <div class=\"interdata-plan-viewport\">\n    <div class=\"interdata-plan-track\">\n      <!-- 7 card d\u1ef1 ph\u00f2ng: JavaScript s\u1ebd \u0111\u1ed3ng b\u1ed9 l\u1ea1i t\u1eeb API portal khi trang t\u1ea3i. -->\n      <article class=\"interdata-plan-card\" data-plan-pid=\"490\">\n        <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n        <div class=\"interdata-plan-price\">299.000 \u0111<span>\/3 th\u00e1ng<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>2 vCore Intel Xeon Scalable<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>2 GB <a href=\"https:\/\/interdata.vn\/blog\/ram-server\/\">RAM<\/a><\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>1 IPv4 Private<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>300Mbps Network Port<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Unlimited Bandwidth<\/li>\n        <\/ul>\n\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/best-value-plans-2026\/best-value-plans-premium-base\" target=\"_blank\" rel=\"noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\" data-plan-pid=\"529\">\n        <h3 class=\"interdata-plan-title\">INTER PLATINUM 1<\/h3>\n        <div class=\"interdata-plan-price\">998.000 \u0111<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>2 vCore<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>1 IPv4 Private<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>300Mbps Network Port<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Unlimited Bandwidth<\/li>\n        <\/ul>\n\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/inter-platinum-series-2026\/inter-platinum-1\" target=\"_blank\" rel=\"noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\" data-plan-pid=\"530\">\n        <h3 class=\"interdata-plan-title\">INTER PLATINUM 2<\/h3>\n        <div class=\"interdata-plan-price\">2.666.000 \u0111<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>5 vCore<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>8 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>70 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>1 IPv4 Private<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>300Mbps Network Port<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Unlimited Bandwidth<\/li>\n        <\/ul>\n\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/inter-platinum-series-2026\/inter-platinum-2\" target=\"_blank\" rel=\"noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\" data-plan-pid=\"531\">\n        <h3 class=\"interdata-plan-title\">INTER PLATINUM 3<\/h3>\n        <div class=\"interdata-plan-price\">5.888.000 \u0111<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>9 vCore<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>16 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>140 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>1 IPv4 Private<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>300Mbps Network Port<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Unlimited Bandwidth<\/li>\n        <\/ul>\n\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/inter-platinum-series-2026\/inter-platinum-3\" target=\"_blank\" rel=\"noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\" data-plan-pid=\"521\">\n        <h3 class=\"interdata-plan-title\">BD-Cloud 1<\/h3>\n        <div class=\"interdata-plan-price\">988.000 \u0111<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCore<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>1 IPv4 Private<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>300Mbps Network Port<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Unlimited Bandwidth<\/li>\n        <\/ul>\n\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/best-plan-real-cloud\/bd-cloud-1\" target=\"_blank\" rel=\"noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\" data-plan-pid=\"522\">\n        <h3 class=\"interdata-plan-title\">BD-Cloud 2<\/h3>\n        <div class=\"interdata-plan-price\">2.988.000 \u0111<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCore<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>8 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>80 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>1 IPv4 Private<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>300 Mbps Network Port<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Unlimited Bandwidth<\/li>\n        <\/ul>\n\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/best-plan-real-cloud\/bd-cloud-2\" target=\"_blank\" rel=\"noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\" data-plan-pid=\"523\">\n        <h3 class=\"interdata-plan-title\">BD-Cloud 3<\/h3>\n        <div class=\"interdata-plan-price\">5.999.000 \u0111<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>8 vCore<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>16 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>140 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>1 IPv4 Private<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>400 Mbps Network Port<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Unlimited Bandwidth<\/li>\n        <\/ul>\n\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/best-plan-real-cloud\/bd-cloud-3\" target=\"_blank\" rel=\"noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n    <\/div>\n  <\/div>\n\n  <button class=\"interdata-carousel-arrow interdata-carousel-next\" type=\"button\" aria-label=\"Xem 3 g\u00f3i ti\u1ebfp theo\" onclick=\"var r=this.closest('[data-interdata-carousel]');if(!r)return false;var t=r.querySelector('.interdata-plan-track'),c=t?t.querySelectorAll('.interdata-plan-card'):[];if(!t||!c.length)return false;var v=window.matchMedia('(max-width:480px)').matches?1:(window.matchMedia('(max-width:800px)').matches?2:3),m=Math.max(0,c.length-Math.min(v,c.length||1)),s=[],i=0;while(i&lt;m){s.push(i);i+=v}if(!s.length||s[s.length-1]!==m)s.push(m);var p=parseInt(r.getAttribute('data-inline-page')||'0',10);p=(p+1)%s.length;r.setAttribute('data-inline-page',p);var g=parseFloat(window.getComputedStyle(t).gap)||12,w=c[0].getBoundingClientRect().width;t.style.transition='transform .45s ease';t.style.transform='translate3d('+(-(w+g)*s[p])+'px,0,0)';return false;\">\n    <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M9 18l6-6-6-6\"><\/path><\/svg>\n    <span class=\"interdata-carousel-mark\" aria-hidden=\"true\">&#8250;<\/span>\n  <\/button>\n<\/div>\n\n<script>\n(function(){\n  var API_GROUPS=[\n    {url:'https:\/\/support.interdata.vn\/packages.php?gid=89&module',pids:[490]},\n    {url:'https:\/\/support.interdata.vn\/packages.php?gid=100&module',pids:[529,530,531]},\n    {url:'https:\/\/support.interdata.vn\/packages.php?gid=97&module',pids:[521,522,523]}\n  ];\n  var PLAN_CYCLES={\n    490:{key:'quarterly',label:'3 th\u00e1ng'},\n    529:{key:'annually',label:'n\u0103m'},\n    530:{key:'annually',label:'n\u0103m'},\n    531:{key:'annually',label:'n\u0103m'},\n    521:{key:'annually',label:'n\u0103m'},\n    522:{key:'annually',label:'n\u0103m'},\n    523:{key:'annually',label:'n\u0103m'}\n  };\n\n  function fetchPlanData(){\n    if(window.interdataPlanApiPromise)return window.interdataPlanApiPromise;\n\n    window.interdataPlanApiPromise=Promise.all(API_GROUPS.map(function(group){\n      return fetch(group.url,{method:'GET',mode:'cors',cache:'no-store'})\n        .then(function(response){\n          if(!response.ok)throw new Error('API '+response.status);\n          return response.json();\n        })\n        .then(function(data){\n          if(!data||data.success!==true||!Array.isArray(data.products))return [];\n          return data.products.filter(function(product){\n            return group.pids.indexOf(Number(product.pid))!==-1;\n          });\n        })\n        .catch(function(error){\n          console.warn('Kh\u00f4ng th\u1ec3 c\u1eadp nh\u1eadt nh\u00f3m g\u00f3i InterData:',group.url,error);\n          return [];\n        });\n    })).then(function(groups){\n      return groups.reduce(function(all,products){return all.concat(products);},[]);\n    });\n\n    return window.interdataPlanApiPromise;\n  }\n\n  function parseDescription(html){\n    var source=String(html||'')\n      .replace(\/<brs*\/?>\/gi,'n')\n      .replace(\/<\/(p|div|li)>\/gi,'n');\n    var holder=document.createElement('div');\n    holder.innerHTML=source;\n    var strong=holder.querySelector('strong');\n    var badge=strong?strong.textContent.trim():'';\n    var lines=(holder.textContent||'').split(\/r?n\/).map(function(line){\n      return line.trim();\n    }).filter(Boolean);\n    if(badge&&lines[0]===badge)lines.shift();\n    return {badge:badge,features:lines};\n  }\n\n  function iconForFeature(feature){\n    if(\/ram\/i.test(feature))return 'id-icon-ram';\n    if(\/ssd|nvme|storage|disk\/i.test(feature))return 'id-icon-storage';\n    if(\/vcore|vcpu|cpu|xeon|amd\/i.test(feature))return 'id-icon-cpu';\n    if(\/ipv4|network|mbps|gbps|bandwidth\/i.test(feature))return 'id-icon-network';\n    return 'id-icon-gift';\n  }\n\n  function createFeatureItem(feature){\n    var item=document.createElement('li');\n    var icon=document.createElement('span');\n    var svg=document.createElementNS('http:\/\/www.w3.org\/2000\/svg','svg');\n    var use=document.createElementNS('http:\/\/www.w3.org\/2000\/svg','use');\n    icon.className='interdata-plan-icon';\n    use.setAttribute('href','#'+iconForFeature(feature));\n    svg.appendChild(use);\n    icon.appendChild(svg);\n    item.appendChild(icon);\n    item.appendChild(document.createTextNode(feature));\n    return item;\n  }\n\n  function updateCardFromApi(root,product){\n    var pid=Number(product.pid);\n    var cycle=PLAN_CYCLES[pid];\n    var card=root.querySelector('[data-plan-pid=\"'+pid+'\"]');\n    if(!card||!cycle)return;\n\n    var title=card.querySelector('.interdata-plan-title');\n    var priceBox=card.querySelector('.interdata-plan-price');\n    var badgeBox=card.querySelector('.interdata-plan-badge');\n    var featureList=card.querySelector('.interdata-plan-features');\n    var button=card.querySelector('.interdata-plan-button');\n    var description=parseDescription(product.description);\n    var pricing=product.pricing&&product.pricing.VND;\n    var price=pricing?Number(pricing[cycle.key]):-1;\n\n    if(title&&product.name)title.textContent=product.name;\n    if(priceBox&&Number.isFinite(price)&&price>=0){\n      priceBox.textContent=Math.round(price).toLocaleString('vi-VN')+' \u0111';\n      var suffix=document.createElement('span');\n      suffix.textContent='\/'+cycle.label;\n      priceBox.appendChild(suffix);\n    }\n    if(badgeBox&&description.badge)badgeBox.textContent=description.badge;\n    if(featureList&&description.features.length){\n      featureList.textContent='';\n      description.features.forEach(function(feature){\n        featureList.appendChild(createFeatureItem(feature));\n      });\n    }\n    if(button&&product.product_url)button.href=product.product_url;\n  }\n\n  function setupInterDataCarousel(root){\n    var track=root.querySelector('.interdata-plan-track');\n    var prev=root.querySelector('.interdata-carousel-prev');\n    var next=root.querySelector('.interdata-carousel-next');\n    if(!track||!prev||!next||track.dataset.ready==='1')return;\n    track.dataset.ready='1';\n    prev.disabled=false;\n    next.disabled=false;\n    var activePage=0;\n    var touchStartX=null;\n\n    function visibleCards(){\n      if(window.matchMedia&&window.matchMedia('(max-width:480px)').matches)return 1;\n      if(window.matchMedia&&window.matchMedia('(max-width:800px)').matches)return 2;\n      return 3;\n    }\n\n    function pageStarts(){\n      var total=track.querySelectorAll('.interdata-plan-card').length;\n      var visible=Math.min(visibleCards(),total||1);\n      var maxStart=Math.max(0,total-visible);\n      var starts=[];\n      var start=0;\n      while(start<maxStart){\n        starts.push(start);\n        start+=visible;\n      }\n      if(!starts.length||starts[starts.length-1]!==maxStart)starts.push(maxStart);\n      return starts;\n    }\n\n    function renderSlide(animate){\n      var cards=track.querySelectorAll('.interdata-plan-card');\n      var starts=pageStarts();\n      if(!cards.length||!starts.length)return;\n      if(activePage>=starts.length)activePage=starts.length-1;\n      if(activePage<0)activePage=0;\n\n      var cardWidth=cards[0].getBoundingClientRect().width;\n      var trackStyle=window.getComputedStyle?window.getComputedStyle(track):null;\n      var gap=trackStyle?parseFloat(trackStyle.columnGap||trackStyle.gap):12;\n      if(!Number.isFinite(gap))gap=12;\n      if(cardWidth<=0)return;\n\n      track.style.transition=animate?'transform .45s ease':'none';\n      track.style.transform='translate3d('+(-(cardWidth+gap)*starts[activePage])+'px,0,0)';\n      prev.setAttribute('aria-disabled',starts.length>1?'false':'true');\n      next.setAttribute('aria-disabled',starts.length>1?'false':'true');\n    }\n\n    function move(direction){\n      var starts=pageStarts();\n      if(starts.length<=1)return;\n      activePage=parseInt(root.getAttribute('data-inline-page')||activePage,10)||0;\n      activePage=(activePage+direction+starts.length)%starts.length;\n      root.setAttribute('data-inline-page',activePage);\n      renderSlide(true);\n    }\n\n    track.addEventListener('touchstart',function(event){\n      touchStartX=event.touches&&event.touches[0]?event.touches[0].clientX:null;\n    },{passive:true});\n    track.addEventListener('touchend',function(event){\n      if(touchStartX===null)return;\n      var endX=event.changedTouches&&event.changedTouches[0]?event.changedTouches[0].clientX:touchStartX;\n      var distance=endX-touchStartX;\n      touchStartX=null;\n      if(Math.abs(distance)>=40)move(distance<0?1:-1);\n    },{passive:true});\n\n    function resetAfterResize(){\n      activePage=0;\n      root.setAttribute('data-inline-page','0');\n      renderSlide(false);\n    }\n\n    window.addEventListener('resize',resetAfterResize);\n    window.addEventListener('load',resetAfterResize);\n    if('ResizeObserver' in window){\n      var resizeObserver=new ResizeObserver(function(){renderSlide(false);});\n      resizeObserver.observe(root);\n    }\n    window.requestAnimationFrame(function(){renderSlide(false);});\n    window.setTimeout(function(){renderSlide(false);},250);\n    window.setTimeout(function(){renderSlide(false);},1000);\n\n    fetchPlanData().then(function(products){\n      products.forEach(function(product){updateCardFromApi(root,product);});\n      renderSlide(false);\n    });\n  }\n\n  function initInterDataCarousels(){\n    document.querySelectorAll('[data-interdata-carousel]').forEach(setupInterDataCarousel);\n  }\n\n  if(document.readyState==='loading'){\n    document.addEventListener('DOMContentLoaded',initInterDataCarousels);\n  }else{\n    initInterDataCarousels();\n  }\n\n  if('MutationObserver' in window){\n    var initQueued=false;\n    new MutationObserver(function(){\n      if(initQueued)return;\n      initQueued=true;\n      window.requestAnimationFrame(function(){\n        initQueued=false;\n        initInterDataCarousels();\n      });\n    }).observe(document.documentElement,{childList:true,subtree:true});\n  }\n})();\n<\/script>\n\n\t<div id=\"gap-1658069004\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1658069004 {\n  padding-top: 15px;\n}\n<\/style>\n\t<\/div>\n\t\n<h2 id=\"section1\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin: 40px 0 20px; line-height: 1.4;\">1. Harness Agent L\u00e0 G\u00ec? Ph\u00e2n Bi\u1ec7t Ngay V\u1edbi Harness.io DevOps Agent<\/h2>\n<p style=\"text-align: justify;\">Agent harness (hay harness agent) l\u00e0 l\u1edbp ph\u1ea7n m\u1ec1m bao quanh m\u1ed9t <a href=\"https:\/\/interdata.vn\/blog\/llm-la-gi\/\">LLM (Large Language Model)<\/a>, cung c\u1ea5p m\u1ecdi th\u1ee9 m\u00e0 model kh\u00f4ng t\u1ef1 c\u00f3: v\u00f2ng l\u1eb7p th\u1ef1c thi, truy c\u1eadp tool, b\u1ed9 nh\u1edb, qu\u1ea3n l\u00fd ng\u1eef c\u1ea3nh, x\u1eed l\u00fd l\u1ed7i v\u00e0 c\u01a1 ch\u1ebf ki\u1ec3m so\u00e1t an to\u00e0n. N\u00f3i ng\u1eafn g\u1ecdn, harness l\u00e0 ph\u1ea7n bi\u1ebfn m\u1ed9t model &#8220;ch\u1ec9 bi\u1ebft sinh text&#8221; th\u00e0nh m\u1ed9t agent c\u00f3 kh\u1ea3 n\u0103ng h\u00e0nh \u0111\u1ed9ng.<\/p>\n<p style=\"text-align: justify;\">LLM v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 stateless \u2014 n\u00f3 nh\u1eadn input, sinh output, r\u1ed3i qu\u00ean. Harness ch\u00ednh l\u00e0 b\u1ed9 khung gi\u1eef cho agent nh\u1edb \u0111\u01b0\u1ee3c ng\u1eef c\u1ea3nh, g\u1ecdi \u0111\u01b0\u1ee3c API, l\u01b0u \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i v\u00e0 bi\u1ebft d\u1eebng khi c\u1ea7n d\u1eebng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-43061\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/08\/Harness-Agent-la-gi.jpg\" alt=\"Harness Agent l\u00e0 g\u00ec\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/08\/Harness-Agent-la-gi.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/08\/Harness-Agent-la-gi-300x200.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">Disambiguation: Agent Harness \u2260 Harness.io DevOps Agent<\/h3>\n<p style=\"text-align: justify;\">N\u1ebfu b\u1ea1n t\u00ecm &#8220;Harness agent&#8221; v\u00e0 \u0111ang ngh\u0129 \u0111\u1ebfn n\u1ec1n t\u1ea3ng <strong>Harness.io<\/strong> \u2014 \u0111\u00f3 l\u00e0 s\u1ea3n ph\u1ea9m DevOps CI\/CD kh\u00e1c ho\u00e0n to\u00e0n. Harness.io c\u00f3 &#8220;AI DevOps Agent&#8221; v\u00e0 &#8220;Worker Agent&#8221; ch\u1ea1y trong pipeline CI\/CD, d\u00f9ng Delegate \u0111\u1ec3 tri\u1ec3n khai tr\u00ean <a href=\"https:\/\/interdata.vn\/blog\/kubernetes-la-gi\/\">Kubernetes<\/a>. B\u00e0i n\u00e0y kh\u00f4ng n\u00f3i v\u1ec1 s\u1ea3n ph\u1ea9m \u0111\u00f3. To\u00e0n b\u1ed9 n\u1ed9i dung b\u00ean d\u01b0\u1edbi t\u1eadp trung v\u00e0o <strong>agent harness<\/strong> theo ngh\u0129a ki\u1ebfn tr\u00fac AI agent \u2014 l\u1edbp h\u1ea1 t\u1ea7ng ph\u1ea7n m\u1ec1m bao quanh LLM.<\/p>\n<h2 id=\"section2\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin: 40px 0 20px; line-height: 1.4;\">2. C\u00f4ng Th\u1ee9c Agent = Model + Harness \u2014 Harness Agent L\u00e0 G\u00ec Trong Ph\u01b0\u01a1ng Tr\u00ecnh N\u00e0y?<\/h2>\n<p style=\"text-align: justify;\">C\u00f4ng th\u1ee9c \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng AI s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i: <strong>Agent = Model + Harness<\/strong>. Trong \u0111\u00f3, Model l\u00e0 b\u1ed9 n\u00e3o suy lu\u1eadn (GPT-4o, Claude, Gemini, Llama\u2026), c\u00f2n Harness l\u00e0 to\u00e0n b\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u1ea7n m\u1ec1m xung quanh \u2014 t\u1eeb v\u00f2ng l\u1eb7p th\u1ef1c thi, g\u1ecdi tool, qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb \u0111\u1ebfn ki\u1ec3m so\u00e1t quy\u1ec1n v\u00e0 x\u1eed l\u00fd l\u1ed7i.<\/p>\n<p style=\"text-align: justify;\">C\u00e1ch hi\u1ec3u \u0111\u01a1n gi\u1ea3n: model cung c\u1ea5p kh\u1ea3 n\u0103ng suy lu\u1eadn, harness cung c\u1ea5p kh\u1ea3 n\u0103ng h\u00e0nh \u0111\u1ed9ng. Thi\u1ebfu harness, model ch\u1ec9 l\u00e0 m\u1ed9t h\u00e0m sinh text. Thi\u1ebfu model, harness ch\u1ec9 l\u00e0 m\u1ed9t v\u00f2ng l\u1eb7p tr\u1ed1ng.<\/p>\n<p style=\"text-align: justify;\">M\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi b\u1ecf qua: model m\u1ea1nh v\u1edbi harness thi\u1ebft k\u1ebf k\u00e9m s\u1ebd cho ra agent t\u1ec7 h\u01a1n model v\u1eeba ph\u1ea3i v\u1edbi harness ch\u1eb7t ch\u1ebd. Harness quy\u1ebft \u0111\u1ecbnh agent c\u00f3 g\u1ecdi \u0111\u00fang tool kh\u00f4ng, c\u00f3 nh\u1edb \u0111\u01b0\u1ee3c ng\u1eef c\u1ea3nh gi\u1eefa c\u00e1c b\u01b0\u1edbc kh\u00f4ng, c\u00f3 d\u1eebng l\u1ea1i khi g\u1eb7p l\u1ed7i kh\u00f4ng \u2014 t\u1ea5t c\u1ea3 nh\u1eefng th\u1ee9 model kh\u00f4ng t\u1ef1 x\u1eed l\u00fd \u0111\u01b0\u1ee3c.<\/p>\n<p style=\"text-align: justify;\">N\u00f3i c\u00e1ch kh\u00e1c, khi b\u1ea1n nghe ai \u0111\u00f3 n\u00f3i &#8220;t\u00f4i \u0111ang build m\u1ed9t <a href=\"https:\/\/interdata.vn\/blog\/ai-agent-la-gi\/\">AI Agent<\/a>&#8220;, ph\u1ea7n l\u1edbn c\u00f4ng vi\u1ec7c h\u1ecd l\u00e0m ch\u00ednh l\u00e0 thi\u1ebft k\u1ebf harness: vi\u1ebft execution loop, c\u1ea5u h\u00ecnh tool, x\u00e2y memory pipeline, \u0111\u1eb7t guardrails. Ch\u1ecdn model th\u01b0\u1eddng l\u00e0 b\u01b0\u1edbc cu\u1ed1i.<\/p>\n<p><!-- BOX CTA #1 \u2014 VPS --><\/p>\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: #fff; font-size: 34px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">Thu\u00ea VPS InterData<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\"><a href=\"https:\/\/interdata.vn\/blog\/cpu-server\/\">CPU<\/a> th\u1ebf h\u1ec7 m\u1edbi \u00b7 SSD NVMe U.2 \u00b7 H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">Mu\u1ed1n t\u1ef1 host agent harness? B\u1eaft \u0111\u1ea7u t\u1eeb m\u1ed9t VPS c\u00f3 quy\u1ec1n root<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">Agent harness c\u1ea7n ch\u1ea1y n\u1ec1n li\u00ean t\u1ee5c, gi\u1eef state qua nhi\u1ec1u phi\u00ean, c\u00e0i <a href=\"https:\/\/interdata.vn\/blog\/docker-la-gi\/\">Docker<\/a> v\u00e0 c\u00e1c dependency t\u1ef1 do. VPS t\u1ea1i InterData cho b\u1ea1n quy\u1ec1n root to\u00e0n ph\u1ea7n, \u1ed5 SSD NVMe U.2 \u0111\u1ecdc ghi nhanh cho vector store v\u00e0 log, c\u00f9ng b\u0103ng th\u00f4ng \u0111\u1ee7 \u0111\u1ec3 agent g\u1ecdi API b\u00ean ngo\u00e0i kh\u00f4ng b\u1ecb ngh\u1ebdn.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: #fff; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Thu\u00ea VPS ch\u1ea1y AI Agent \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<h2 id=\"section3\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin: 40px 0 20px; line-height: 1.4;\">3. Gi\u1ea3i Ph\u1eabu 9 Th\u00e0nh Ph\u1ea7n C\u1ee7a M\u1ed9t Agent Harness<\/h2>\n<p style=\"text-align: justify;\">M\u1ed9t harness \u0111\u1ea7y \u0111\u1ee7 g\u1ed3m ch\u00edn kh\u1ed1i ch\u1ee9c n\u0103ng. Kh\u00f4ng ph\u1ea3i agent n\u00e0o c\u0169ng c\u1ea7n \u0111\u1ee7 c\u1ea3 ch\u00edn, nh\u01b0ng hi\u1ec3u t\u1eebng kh\u1ed1i s\u1ebd gi\u00fap b\u1ea1n bi\u1ebft agent \u0111ang thi\u1ebfu g\u00ec khi n\u00f3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-43060\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/08\/Harness-Agent-1.jpg\" alt=\"Harness Agent\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/08\/Harness-Agent-1.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/08\/Harness-Agent-1-300x200.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.1. Execution Loop (V\u00f2ng l\u1eb7p th\u1ef1c thi)<\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 tr\u00e1i tim c\u1ee7a harness. V\u00f2ng l\u1eb7p ho\u1ea1t \u0111\u1ed9ng theo chu tr\u00ecnh <strong>Think \u2192 Act \u2192 Observe \u2192 Repeat<\/strong>: model suy lu\u1eadn b\u01b0\u1edbc ti\u1ebfp theo, harness th\u1ef1c thi h\u00e0nh \u0111\u1ed9ng (g\u1ecdi tool, ghi file, query database), l\u1ea5y k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 cho model, r\u1ed3i l\u1eb7p l\u1ea1i cho \u0111\u1ebfn khi task ho\u00e0n th\u00e0nh ho\u1eb7c \u0111\u1ea1t gi\u1edbi h\u1ea1n b\u01b0\u1edbc.<\/p>\n<p style=\"text-align: justify;\">N\u1ebfu v\u00f2ng l\u1eb7p kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n d\u1eebng r\u00f5 r\u00e0ng, agent s\u1ebd ch\u1ea1y v\u00f4 h\u1ea1n v\u00e0 \u0111\u1ed1t token. Harness t\u1ed1t lu\u00f4n c\u00f3 max_steps, timeout v\u00e0 \u0111i\u1ec1u ki\u1ec7n tho\u00e1t s\u1edbm khi task \u0111\u00e3 xong.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.2. Tool Access (Truy c\u1eadp c\u00f4ng c\u1ee5)<\/h3>\n<p style=\"text-align: justify;\">Agent c\u1ea7n g\u1ecdi tool b\u00ean ngo\u00e0i: search API, \u0111\u1ecdc database, g\u1eedi email, ch\u1ea1y code. Harness qu\u1ea3n l\u00fd danh s\u00e1ch tool kh\u1ea3 d\u1ee5ng, c\u00e1ch g\u1ecdi (function calling, MCP protocol), ph\u00e2n quy\u1ec1n tool n\u00e0o agent \u0111\u01b0\u1ee3c d\u00f9ng v\u00e0 tool n\u00e0o b\u1ecb ch\u1eb7n.<\/p>\n<p style=\"text-align: justify;\">C\u00e1c agent coding nh\u01b0 <a href=\"https:\/\/interdata.vn\/blog\/cline-la-gi\/\">Cline<\/a> d\u00f9ng harness \u0111\u1ec3 qu\u1ea3n l\u00fd quy\u1ec1n \u0111\u1ecdc\/ghi file, ch\u1ea1y terminal command theo whitelist. N\u1ebfu kh\u00f4ng c\u00f3 t\u1ea7ng tool access, agent c\u00f3 th\u1ec3 t\u1ef1 \u00fd ch\u1ea1y l\u1ec7nh nguy hi\u1ec3m tr\u00ean h\u1ec7 th\u1ed1ng.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.3. Memory (B\u1ed9 nh\u1edb)<\/h3>\n<p style=\"text-align: justify;\">LLM kh\u00f4ng c\u00f3 b\u1ed9 nh\u1edb d\u00e0i h\u1ea1n. Harness b\u1ed5 sung hai lo\u1ea1i: <strong>short-term memory<\/strong> (ng\u1eef c\u1ea3nh trong phi\u00ean, th\u01b0\u1eddng l\u00e0 conversation history) v\u00e0 <strong>long-term memory<\/strong> (l\u01b0u tr\u1eef qua nhi\u1ec1u phi\u00ean, d\u00f9ng vector database ho\u1eb7c key-value store).<\/p>\n<p style=\"text-align: justify;\">Xu h\u01b0\u1edbng 2026 l\u00e0 &#8220;memory-as-tool&#8221; \u2014 agent t\u1ef1 quy\u1ebft khi n\u00e0o \u0111\u1ecdc, ghi, c\u1eadp nh\u1eadt b\u1ed9 nh\u1edb th\u00f4ng qua tool call, thay v\u00ec ch\u1ea1y retrieval c\u1ee9ng \u1edf m\u1ed7i b\u01b0\u1edbc. C\u00e1ch n\u00e0y gi\u1ea3m token l\u00e3ng ph\u00ed v\u00e0 cho agent quy\u1ec1n ki\u1ec3m so\u00e1t b\u1ed9 nh\u1edb c\u1ee7a ch\u00ednh n\u00f3.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.4. Context Management (Qu\u1ea3n l\u00fd ng\u1eef c\u1ea3nh)<\/h3>\n<p style=\"text-align: justify;\">Context window c\u1ee7a model c\u00f3 gi\u1edbi h\u1ea1n (4K, 32K, 128K, 200K token t\u00f9y model). Harness ph\u1ea3i quy\u1ebft \u0111\u1ecbnh \u0111\u01b0a th\u00f4ng tin g\u00ec v\u00e0o prompt, b\u1ecf g\u00ec ra, t\u00f3m t\u1eaft \u0111o\u1ea1n n\u00e0o. \u0110\u00e2y l\u00e0 b\u00e0i to\u00e1n <strong>context engineering<\/strong> \u2014 k\u1ef9 thu\u1eadt quan tr\u1ecdng kh\u00f4ng k\u00e9m prompt engineering.<\/p>\n<p style=\"text-align: justify;\">Harness t\u1ec7 nh\u1ed3i h\u1ebft history v\u00e0o context r\u1ed3i b\u1ecb truncate gi\u1eefa ch\u1eebng, m\u1ea5t th\u00f4ng tin quan tr\u1ecdng. Harness t\u1ed1t bi\u1ebft \u01b0u ti\u00ean th\u00f4ng tin g\u1ea7n nh\u1ea5t, relevant nh\u1ea5t, v\u00e0 t\u00f3m t\u1eaft ph\u1ea7n c\u00f2n l\u1ea1i thay v\u00ec c\u1eaft b\u1ecf.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.5. State Persistence (L\u01b0u tr\u1eef tr\u1ea1ng th\u00e1i)<\/h3>\n<p style=\"text-align: justify;\">Agent ch\u1ea1y qua nhi\u1ec1u b\u01b0\u1edbc, nhi\u1ec1u phi\u00ean. Harness l\u01b0u tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i \u2014 \u0111ang \u1edf b\u01b0\u1edbc n\u00e0o, k\u1ebft qu\u1ea3 c\u00e1c b\u01b0\u1edbc tr\u01b0\u1edbc, bi\u1ebfn trung gian \u2014 \u0111\u1ec3 agent c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c n\u1ebfu b\u1ecb gi\u00e1n \u0111o\u1ea1n. Kh\u00f4ng c\u00f3 state persistence, agent restart l\u00e0 m\u1ea5t h\u1ebft ti\u1ebfn tr\u00ecnh v\u00e0 ph\u1ea3i ch\u1ea1y l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.6. Error Handling (X\u1eed l\u00fd l\u1ed7i)<\/h3>\n<p style=\"text-align: justify;\">Tool g\u1ecdi th\u1ea5t b\u1ea1i, API timeout, model tr\u1ea3 output sai format \u2014 harness c\u1ea7n b\u1eaft l\u1ed7i, retry c\u00f3 gi\u1edbi h\u1ea1n, ho\u1eb7c chuy\u1ec3n sang plan B. Agent kh\u00f4ng c\u00f3 error handling s\u1ebd crash ho\u1eb7c l\u1eb7p v\u00f4 ngh\u0129a khi g\u1eb7p l\u1ed7i \u0111\u1ea7u ti\u00ean.<\/p>\n<p style=\"text-align: justify;\">M\u1ed9t pattern ph\u1ed5 bi\u1ebfn: harness retry t\u1ed1i \u0111a 3 l\u1ea7n v\u1edbi exponential backoff, r\u1ed3i log l\u1ed7i v\u00e0 chuy\u1ec3n sang b\u01b0\u1edbc ti\u1ebfp theo ho\u1eb7c tr\u1ea3 k\u1ebft qu\u1ea3 partial cho user thay v\u00ec treo.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.7. Guardrails (R\u00e0o ch\u1eafn an to\u00e0n)<\/h3>\n<p style=\"text-align: justify;\">Guardrails trong harness kh\u00e1c v\u1edbi guardrails c\u1ee7a model. Model guardrails l\u1ecdc n\u1ed9i dung \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra. Harness guardrails ki\u1ec3m so\u00e1t <strong>h\u00e0nh \u0111\u1ed9ng<\/strong>: agent c\u00f3 \u0111\u01b0\u1ee3c ph\u00e9p x\u00f3a file kh\u00f4ng? C\u00f3 \u0111\u01b0\u1ee3c g\u1eedi email th\u1eadt kh\u00f4ng? C\u00f3 gi\u1edbi h\u1ea1n chi ph\u00ed API call kh\u00f4ng? C\u00f3 \u0111\u01b0\u1ee3c truy c\u1eadp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m kh\u00f4ng?<\/p>\n<p style=\"text-align: justify;\">Theo danh s\u00e1ch r\u1ee7i ro OWASP ASI 2026, 8 trong 10 lo\u1ea1i r\u1ee7i ro li\u00ean quan \u0111\u1ebfn agent n\u1eb1m \u1edf t\u1ea7ng harness, kh\u00f4ng ph\u1ea3i t\u1ea7ng model. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y b\u1ea3o m\u1eadt agent ng\u00e0y nay ch\u1ee7 y\u1ebfu l\u00e0 b\u1ea3o m\u1eadt harness.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.8. Observability (Gi\u00e1m s\u00e1t)<\/h3>\n<p style=\"text-align: justify;\">Logging t\u1eebng b\u01b0\u1edbc agent l\u00e0m g\u00ec, g\u1ecdi tool n\u00e0o, nh\u1eadn k\u1ebft qu\u1ea3 g\u00ec, t\u1ed1n bao nhi\u00eau token, m\u1ea5t bao l\u00e2u. Kh\u00f4ng c\u00f3 observability, khi agent cho k\u1ebft qu\u1ea3 sai b\u1ea1n kh\u00f4ng bi\u1ebft l\u1ed7i \u1edf b\u01b0\u1edbc n\u00e0o \u0111\u1ec3 s\u1eeda. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 LangSmith, Braintrust, Helicone \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7ng harness.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">3.9. Sandbox (M\u00f4i tr\u01b0\u1eddng c\u00e1ch ly)<\/h3>\n<p style=\"text-align: justify;\">Agent ch\u1ea1y code ho\u1eb7c thao t\u00e1c file c\u1ea7n \u0111\u01b0\u1ee3c c\u00e1ch ly kh\u1ecfi h\u1ec7 th\u1ed1ng ch\u00ednh. Sandbox c\u00f3 th\u1ec3 l\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/docker-la-gi\/\">Docker<\/a> container, VM ri\u00eang ho\u1eb7c chroot jail. \u0110\u00e2y l\u00e0 l\u1edbp ph\u00f2ng th\u1ee7 cu\u1ed1i c\u00f9ng \u2014 n\u1ebfu agent b\u1ecb prompt injection ho\u1eb7c ch\u1ea1y l\u1ec7nh nguy hi\u1ec3m, sandbox gi\u1edbi h\u1ea1n thi\u1ec7t h\u1ea1i trong ph\u1ea1m vi container, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn host.<\/p>\n<p><!-- BOX CTA #2 \u2014 CANH ME --><\/p>\n<div style=\"background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%); border: 1.5px solid #2563EB; border-radius: 12px; padding: 28px; margin: 35px 0; text-align: center;\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-size: 22px; font-weight: bold; color: #1e3a8a; margin: 0 0 8px;\">S\u0103n deal VPS &amp; Cloud Server tr\u01b0\u1edbc khi ch\u1ed1t g\u00f3i<\/p>\n<p style=\"font-size: 15px; color: #4b5563; margin-bottom: 20px;\">Canh Me t\u1ed5ng h\u1ee3p khuy\u1ebfn m\u00e3i, m\u00e3 gi\u1ea3m gi\u00e1 v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u0103ng k\u00fd m\u1edbi nh\u1ea5t t\u1eeb InterData \u2014 xem tr\u01b0\u1edbc \u0111\u1ec3 ch\u1ecdn c\u1ea5u h\u00ecnh ch\u1ea1y agent harness v\u1edbi chi ph\u00ed ph\u00f9 h\u1ee3p nh\u1ea5t.<\/p>\n<p><a style=\"background: #2563EB; color: #fff; padding: 12px 30px; text-decoration: none; font-weight: 600; border-radius: 8px; display: inline-block;\" href=\"https:\/\/interdata.vn\/canhme\/\" target=\"_blank\" rel=\"noopener\">Xem hot deals t\u1ea1i Canh Me \u27f6<\/a><\/p>\n<\/div>\n<h2 id=\"section4\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin: 40px 0 20px; line-height: 1.4;\">4. Agent Harness Kh\u00e1c G\u00ec Agent Framework (LangChain, n8n)?<\/h2>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi g\u00e2y nh\u1ea7m l\u1eabn nhi\u1ec1u nh\u1ea5t. Framework v\u00e0 harness ho\u1ea1t \u0111\u1ed9ng \u1edf hai t\u1ea7ng kh\u00e1c nhau, kh\u00f4ng ph\u1ea3i hai l\u1ef1a ch\u1ecdn lo\u1ea1i tr\u1eeb nhau. H\u1ec7 th\u1ed1ng production th\u01b0\u1eddng d\u00f9ng c\u1ea3 hai.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px;\">\n<thead>\n<tr style=\"background-color: #1e3a8a; color: #fff;\">\n<th style=\"padding: 12px 15px; text-align: left; border: 1px solid #BFDBFE;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 12px 15px; text-align: left; border: 1px solid #BFDBFE;\">Agent Framework<\/th>\n<th style=\"padding: 12px 15px; text-align: left; border: 1px solid #BFDBFE;\">Agent Harness<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">Vai tr\u00f2<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Cung c\u1ea5p building blocks (chain, tool, memory, retriever) \u0111\u1ec3 b\u1ea1n l\u1eafp r\u00e1p agent b\u1eb1ng code<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Cung c\u1ea5p runtime s\u1eb5n s\u00e0ng ch\u1ea1y: execution loop, state, guardrails, sandbox \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fafb;\">\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">V\u00ed d\u1ee5<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">LangChain, LangGraph, CrewAI, Mastra<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Claude Code (Anthropic), Devin, Cline, OpenAI Codex agent<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">Ng\u01b0\u1eddi d\u00f9ng ch\u00ednh<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Developer mu\u1ed1n ki\u1ec3m so\u00e1t t\u1eebng chi ti\u1ebft ki\u1ebfn tr\u00fac agent<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Ng\u01b0\u1eddi c\u1ea7n agent ch\u1ea1y \u0111\u01b0\u1ee3c nhanh, \u00edt c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fafb;\">\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">M\u1ee9c tr\u1eebu t\u01b0\u1ee3ng<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Th\u1ea5p\u2013trung b\u00ecnh: b\u1ea1n t\u1ef1 vi\u1ebft logic gh\u00e9p n\u1ed1i<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Cao: opinionated defaults, ch\u1ea1y out-of-the-box<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">K\u1ebft h\u1ee3p?<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\" colspan=\"2\">Ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c. Nhi\u1ec1u production agent d\u00f9ng framework b\u00ean trong + harness b\u00ean ngo\u00e0i. V\u00ed d\u1ee5: d\u00f9ng LangGraph \u0111\u1ec3 x\u00e2y workflow, ch\u1ea1y trong m\u1ed9t harness c\u00f3 sandbox <a href=\"https:\/\/interdata.vn\/blog\/docker-la-gi\/\">Docker<\/a> v\u00e0 guardrails ri\u00eang.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">C\u00e1c n\u1ec1n t\u1ea3ng no-code\/low-code nh\u01b0 <a href=\"https:\/\/interdata.vn\/blog\/n8n-la-gi\/\">n8n<\/a> n\u1eb1m \u1edf ranh gi\u1edbi gi\u1eefa framework v\u00e0 harness. n8n cung c\u1ea5p s\u1eb5n execution loop (workflow engine), k\u1ebft n\u1ed1i tool (qua node), v\u00e0 giao di\u1ec7n k\u00e9o th\u1ea3 \u2014 g\u1ea7n v\u1edbi harness h\u01a1n framework thu\u1ea7n. B\u1ea1n c\u00f3 th\u1ec3 <a href=\"https:\/\/interdata.vn\/blog\/cach-tao-chatbot-ai-bang-n8n\/\">t\u1ea1o chatbot AI b\u1eb1ng n8n<\/a> m\u00e0 kh\u00f4ng c\u1ea7n vi\u1ebft execution loop t\u1eeb \u0111\u1ea7u, ch\u1ec9 c\u1ea7n k\u00e9o node v\u00e0 c\u1ea5u h\u00ecnh.<\/p>\n<h2 id=\"section5\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin: 40px 0 20px; line-height: 1.4;\">5. V\u00ec Sao Harness Quy\u1ebft \u0110\u1ecbnh Agent Ch\u1ea1y T\u1ed1t Hay Th\u1ea5t B\u1ea1i?<\/h2>\n<p style=\"text-align: justify;\">Nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ed5 l\u1ed7i cho model khi agent ho\u1ea1t \u0111\u1ed9ng k\u00e9m. Th\u1ef1c t\u1ebf, ph\u1ea7n l\u1edbn l\u1ed7i agent production n\u1eb1m \u1edf t\u1ea7ng harness, kh\u00f4ng ph\u1ea3i t\u1ea7ng model.<\/p>\n<p style=\"text-align: justify;\"><strong>K\u1ecbch b\u1ea3n 1 \u2014 Model m\u1ea1nh, harness y\u1ebfu:<\/strong> Agent d\u00f9ng GPT-4o nh\u01b0ng harness kh\u00f4ng retry khi tool call th\u1ea5t b\u1ea1i, kh\u00f4ng gi\u1edbi h\u1ea1n b\u01b0\u1edbc, kh\u00f4ng t\u00f3m t\u1eaft context khi v\u01b0\u1ee3t window. K\u1ebft qu\u1ea3: agent ch\u1ea1y v\u00e0i b\u01b0\u1edbc r\u1ed3i l\u1eb7p v\u00f4 ngh\u0129a ho\u1eb7c tr\u1ea3 hallucination v\u00ec context b\u1ecb truncate m\u1ea5t ph\u1ea7n quan tr\u1ecdng.<\/p>\n<p style=\"text-align: justify;\"><strong>K\u1ecbch b\u1ea3n 2 \u2014 Model v\u1eeba, harness t\u1ed1t:<\/strong> Agent d\u00f9ng model nh\u1ecf h\u01a1n (Llama 3.1 8B, Mistral) nh\u01b0ng harness c\u00f3 execution loop ch\u1eb7t ch\u1ebd, tool routing ch\u00ednh x\u00e1c, context window \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1eb1ng summarization + priority ranking. K\u1ebft qu\u1ea3: agent ho\u00e0n th\u00e0nh task \u1ed5n \u0111\u1ecbnh, chi ph\u00ed API th\u1ea5p h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n<p style=\"text-align: justify;\">B\u00e0i h\u1ecdc r\u00fat ra: tr\u01b0\u1edbc khi n\u00e2ng c\u1ea5p model (t\u1ed1n th\u00eam ti\u1ec1n API), h\u00e3y ki\u1ec3m tra harness. V\u00f2ng l\u1eb7p c\u00f3 \u0111i\u1ec1u ki\u1ec7n d\u1eebng ch\u01b0a? Tool n\u00e0o \u0111ang thi\u1ebfu? Context c\u00f3 b\u1ecb truncate kh\u00f4ng? State c\u00f3 \u0111\u01b0\u1ee3c l\u01b0u gi\u1eefa c\u00e1c phi\u00ean kh\u00f4ng? Nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c ph\u1ea7n l\u1edbn v\u1ea5n \u0111\u1ec1 m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ed5i model.<\/p>\n<p style=\"text-align: justify;\">C\u00e1c agent nh\u01b0 <a href=\"https:\/\/interdata.vn\/blog\/hermes-agent-la-gi\/\">Hermes Agent<\/a> minh h\u1ecda r\u00f5 \u0111i\u1ec1u n\u00e0y \u2014 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi harness t\u00edch h\u1ee3p s\u1eb5n tool routing, memory pipeline v\u00e0 function calling, gi\u00fap agent ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 khi d\u00f9ng model k\u00edch th\u01b0\u1edbc trung b\u00ecnh.<\/p>\n<h2 id=\"section6\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin: 40px 0 20px; line-height: 1.4;\">6. T\u1ef1 Host Agent Harness Tr\u00ean M\u00e1y Ch\u1ee7 C\u1ea7n Nh\u1eefng G\u00ec?<\/h2>\n<p style=\"text-align: justify;\">Ch\u1ea1y agent tr\u00ean m\u00e1y t\u00ednh c\u00e1 nh\u00e2n ph\u00f9 h\u1ee3p \u0111\u1ec3 test. Nh\u01b0ng khi c\u1ea7n agent ch\u1ea1y n\u1ec1n 24\/7, x\u1eed l\u00fd nhi\u1ec1u phi\u00ean ho\u1eb7c ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng th\u1eadt, b\u1ea1n c\u1ea7n m\u1ed9t m\u00e1y ch\u1ee7 ri\u00eang v\u1edbi quy\u1ec1n root. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 checklist h\u1ea1 t\u1ea7ng c\u1ee5 th\u1ec3.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">Checklist h\u1ea1 t\u1ea7ng t\u1ed1i thi\u1ec3u cho self-host agent harness<\/h3>\n<ul style=\"margin: 15px 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 12px; text-align: justify;\"><strong>CPU:<\/strong> Agent harness ch\u1ee7 y\u1ebfu I\/O-bound (ch\u1edd API response t\u1eeb model provider), kh\u00f4ng c\u1ea7n CPU kh\u1ee7ng. 2\u20134 vCPU \u0111\u1ee7 cho 1 agent \u0111\u01a1n lu\u1ed3ng g\u1ecdi API b\u00ean ngo\u00e0i. N\u1ebfu ch\u1ea1y local model qua Ollama ho\u1eb7c vLLM th\u00ec c\u1ea7n CPU m\u1ea1nh h\u01a1n ho\u1eb7c GPU.<\/li>\n<li style=\"margin-bottom: 12px; text-align: justify;\"><strong>RAM:<\/strong> T\u1ed1i thi\u1ec3u 4 GB cho agent g\u1ecdi API b\u00ean ngo\u00e0i (OpenAI, Anthropic). 8\u201316 GB n\u1ebfu ch\u1ea1y k\u00e8m vector database (ChromaDB, Qdrant) \u0111\u1ec3 l\u01b0u long-term memory. 32 GB tr\u1edf l\u00ean n\u1ebfu ch\u1ea1y local LLM 7B\u201313B parameter.<\/li>\n<li style=\"margin-bottom: 12px; text-align: justify;\"><strong>\u1ed4 c\u1ee9ng:<\/strong> SSD NVMe cho t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc ghi log, state file, vector embedding. 40\u201380 GB \u0111\u1ee7 cho ph\u1ea7n l\u1edbn setup. Th\u00eam dung l\u01b0\u1ee3ng n\u1ebfu l\u01b0u conversation history d\u00e0i h\u1ea1n.<\/li>\n<li style=\"margin-bottom: 12px; text-align: justify;\"><strong>Docker:<\/strong> G\u1ea7n nh\u01b0 b\u1eaft bu\u1ed9c \u0111\u1ec3 sandbox agent, c\u00e1ch ly dependency v\u00e0 d\u1ec5 deploy\/rollback. C\u00e0i Docker c\u1ea7n quy\u1ec1n root \u2014 \u0111\u00e2y l\u00e0 l\u00fd do <a href=\"https:\/\/interdata.vn\/blog\/vps-la-gi\/\">m\u00e1y ch\u1ee7 \u1ea3o VPS<\/a> ph\u00f9 h\u1ee3p h\u01a1n shared hosting cho vi\u1ec7c host agent.<\/li>\n<li style=\"margin-bottom: 12px; text-align: justify;\"><strong>Ch\u1ea1y n\u1ec1n:<\/strong> Agent c\u1ea7n process ch\u1ea1y li\u00ean t\u1ee5c ho\u1eb7c trigger theo l\u1ecbch. D\u00f9ng systemd, supervisor, ho\u1eb7c Docker Compose v\u1edbi restart policy <code>unless-stopped<\/code>.<\/li>\n<li style=\"margin-bottom: 12px; text-align: justify;\"><strong>M\u1ea1ng:<\/strong> B\u0103ng th\u00f4ng \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 g\u1ecdi API model provider (latency quan tr\u1ecdng h\u01a1n throughput). Port m\u1edf cho webhook n\u1ebfu agent c\u1ea7n nh\u1eadn event t\u1eeb b\u00ean ngo\u00e0i (Telegram bot, Slack event\u2026).<\/li>\n<li style=\"margin-bottom: 12px; text-align: justify;\"><strong>B\u1ea3o m\u1eadt:<\/strong> Firewall, fail2ban, SSH key-only. API key l\u01b0u trong environment variable ho\u1eb7c secret manager, kh\u00f4ng hard-code trong source code.<\/li>\n<\/ul>\n<h3 style=\"color: #1e3a8a; font-size: 20px; font-weight: bold; margin: 30px 0 15px;\">V\u00ed d\u1ee5 tri\u1ec3n khai th\u1ef1c t\u1ebf tr\u00ean VPS<\/h3>\n<p style=\"text-align: justify;\">M\u1ed9t setup ph\u1ed5 bi\u1ebfn cho agent chatbot ho\u1eb7c automation: VPS 4 vCPU, 8 GB RAM, 80 GB NVMe \u2192 c\u00e0i Docker \u2192 ch\u1ea1y <a href=\"https:\/\/interdata.vn\/blog\/n8n-la-gi\/\">n8n<\/a> ho\u1eb7c LangGraph agent trong container \u2192 k\u1ebft n\u1ed1i OpenAI API \u2192 d\u00f9ng ChromaDB container cho long-term memory \u2192 <a href=\"https:\/\/interdata.vn\/blog\/nginx-la-gi\/\">Nginx<\/a> reverse proxy \u0111\u1ec3 expose webhook. T\u1ed5ng c\u1ed9ng 3\u20134 container ch\u1ea1y song song, agent ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, chi ph\u00ed h\u00e0ng th\u00e1ng ch\u1ec9 l\u00e0 ti\u1ec1n VPS c\u1ed9ng ti\u1ec1n API call.<\/p>\n<p style=\"text-align: justify;\">N\u1ebfu agent ph\u1ee9c t\u1ea1p h\u01a1n \u2014 v\u00ed d\u1ee5 ch\u1ea1y nhi\u1ec1u sub-agent, m\u1ed7i sub-agent g\u1ecdi tool ri\u00eang, x\u1eed l\u00fd document l\u1edbn qua RAG pipeline \u2014 th\u00ec c\u1ea7n 16 GB RAM tr\u1edf l\u00ean v\u00e0 n\u00ean xem x\u00e9t Cloud Server \u0111\u1ec3 d\u1ec5 scale khi t\u1ea3i t\u0103ng.<\/p>\n<h2 id=\"section7\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin: 40px 0 20px; line-height: 1.4;\">7. Ch\u1ecdn VPS Hay Cloud Server \u0110\u1ec3 Ch\u1ea1y Agent Harness?<\/h2>\n<p style=\"text-align: justify;\">Ph\u1ee5 thu\u1ed9c v\u00e0o quy m\u00f4 agent v\u00e0 c\u00e1ch b\u1ea1n v\u1eadn h\u00e0nh. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y so s\u00e1nh theo c\u00e1c ti\u00eau ch\u00ed th\u1ef1c t\u1ebf khi host agent harness.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px;\">\n<thead>\n<tr style=\"background-color: #1e3a8a; color: #fff;\">\n<th style=\"padding: 12px 15px; text-align: left; border: 1px solid #BFDBFE;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 12px 15px; text-align: left; border: 1px solid #BFDBFE;\">VPS<\/th>\n<th style=\"padding: 12px 15px; text-align: left; border: 1px solid #BFDBFE;\">Cloud Server<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">Ph\u00f9 h\u1ee3p khi<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">1 agent, \u00edt user, t\u1ea3i \u1ed5n \u0111\u1ecbnh, dev\/test, bot Telegram, chatbot n\u1ed9i b\u1ed9, coding agent cho team nh\u1ecf<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Nhi\u1ec1u agent song song, nhi\u1ec1u user, t\u1ea3i bi\u1ebfn \u0111\u1ed9ng, c\u1ea7n scale nhanh kh\u00f4ng downtime<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fafb;\">\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">T\u00e0i nguy\u00ean<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">C\u1ed1 \u0111\u1ecbnh theo g\u00f3i \u0111\u00e3 ch\u1ecdn. N\u00e2ng c\u1ea5p c\u1ea7n \u0111\u1ed5i g\u00f3i<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">N\u00e2ng\/h\u1ea1 CPU, RAM nhanh theo t\u1ea3i th\u1ef1c t\u1ebf, kh\u00f4ng c\u1ea7n migrate<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">Chi ph\u00ed<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Th\u1ea5p h\u01a1n, gi\u00e1 c\u1ed1 \u0111\u1ecbnh h\u00e0ng th\u00e1ng, d\u1ec5 d\u1ef1 to\u00e1n<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">Cao h\u01a1n, nh\u01b0ng tr\u1ea3 \u0111\u00fang t\u00e0i nguy\u00ean d\u00f9ng th\u1ef1c t\u1ebf<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fafb;\">\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">Quy\u1ec1n root<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">C\u00f3 \u2014 c\u00e0i Docker, cron, daemon t\u1ef1 do<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\">C\u00f3 \u2014 to\u00e0n quy\u1ec1n t\u01b0\u01a1ng t\u1ef1 VPS<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE; font-weight: 600;\">Khi n\u00e0o chuy\u1ec3n \u0111\u1ed5i<\/td>\n<td style=\"padding: 12px 15px; border: 1px solid #BFDBFE;\" colspan=\"2\">B\u1eaft \u0111\u1ea7u v\u1edbi VPS. Khi agent ph\u1ee5c v\u1ee5 tr\u00ean 50 user \u0111\u1ed3ng th\u1eddi, ch\u1ea1y tr\u00ean 5 tool song song v\u1edbi t\u1ea3i kh\u00f4ng d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, ho\u1eb7c c\u1ea7n thay \u0111\u1ed5i c\u1ea5u h\u00ecnh nhanh theo chi\u1ebfn d\u1ecbch \u2192 chuy\u1ec3n sang Cloud Server.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><strong>Khuy\u1ebfn ngh\u1ecb c\u1ee5 th\u1ec3:<\/strong> N\u1ebfu b\u1ea1n \u0111ang build agent chatbot n\u1ed9i b\u1ed9, bot Telegram, coding agent cho team nh\u1ecf ho\u1eb7c ch\u1ea1y <a href=\"https:\/\/interdata.vn\/blog\/n8n-la-gi\/\">n8n<\/a> workflow t\u1ef1 \u0111\u1ed9ng \u2014 VPS 4\u20138 GB RAM l\u00e0 \u0111\u1ee7 v\u00e0 chi ph\u00ed d\u1ec5 ti\u1ebfp c\u1eadn. Khi agent c\u1ea7n x\u1eed l\u00fd context l\u1edbn (RAG tr\u00ean h\u00e0ng ngh\u00ecn document), ch\u1ea1y nhi\u1ec1u sub-agent song song ho\u1eb7c ph\u1ee5c v\u1ee5 l\u01b0\u1ee3ng user t\u0103ng \u0111\u1ed9t bi\u1ebfn \u2014 Cloud Server cho ph\u00e9p n\u00e2ng RAM\/CPU trong v\u00e0i ph\u00fat m\u00e0 kh\u00f4ng c\u1ea7n chuy\u1ec3n m\u00e1y hay m\u1ea5t d\u1eef li\u1ec7u.<\/p>\n<p><!-- BOX CTA #3 \u2014 CLOUD SERVER --><\/p>\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: #fff; font-size: 34px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">Cloud Server InterData<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\">N\u00e2ng\/h\u1ea1 t\u00e0i nguy\u00ean nhanh \u00b7 M\u1ea1ng t\u1ed1c \u0111\u1ed9 cao \u00b7 Ch\u1ed1ng DDoS<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">Agent ch\u1ea1y nhi\u1ec1u tool, nhi\u1ec1u user, t\u1ea3i t\u0103ng \u0111\u1ed9t bi\u1ebfn?<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">Khi harness c\u1ee7a b\u1ea1n \u0111i\u1ec1u ph\u1ed1i nhi\u1ec1u tool song song, x\u1eed l\u00fd context l\u1edbn ho\u1eb7c ph\u1ee5c v\u1ee5 h\u00e0ng ch\u1ee5c user c\u00f9ng l\u00fac, Cloud Server cho ph\u00e9p t\u0103ng CPU v\u00e0 RAM trong v\u00e0i ph\u00fat m\u00e0 kh\u00f4ng c\u1ea7n chuy\u1ec3n m\u00e1y. Backup \u0111\u1ecbnh k\u1ef3 gi\u00fap b\u1ea3o v\u1ec7 state v\u00e0 conversation history c\u1ee7a agent.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: #fff; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/cloud-server\/\" target=\"_blank\" rel=\"noopener\">Xem B\u1ea3ng Gi\u00e1 Cloud Server \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<h2 id=\"section8\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin: 40px 0 20px; line-height: 1.4;\">8. C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p V\u1ec1 Harness Agent (FAQ)<\/h2>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin: 25px 0 10px;\">Agent harness c\u00f3 ph\u1ea3i l\u00e0 AI agent kh\u00f4ng?<\/h3>\n<p style=\"text-align: justify;\">Kh\u00f4ng. Agent harness l\u00e0 <em>m\u1ed9t ph\u1ea7n<\/em> c\u1ea5u th\u00e0nh AI agent, kh\u00f4ng ph\u1ea3i to\u00e0n b\u1ed9. Theo c\u00f4ng th\u1ee9c Agent = Model + Harness, harness l\u00e0 l\u1edbp h\u1ea1 t\u1ea7ng ph\u1ea7n m\u1ec1m bao quanh model \u2014 cung c\u1ea5p v\u00f2ng l\u1eb7p th\u1ef1c thi, b\u1ed9 nh\u1edb, qu\u1ea3n l\u00fd tool v\u00e0 guardrails. Agent l\u00e0 t\u1ed5ng th\u1ec3 ho\u00e0n ch\u1ec9nh khi model v\u00e0 harness k\u1ebft h\u1ee3p v\u1edbi nhau.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin: 25px 0 10px;\">Harness engineering kh\u00e1c g\u00ec prompt engineering?<\/h3>\n<p style=\"text-align: justify;\">Prompt engineering t\u1eadp trung v\u00e0o c\u00e1ch vi\u1ebft l\u1eddi nh\u1eafc cho model suy lu\u1eadn \u0111\u00fang h\u01b0\u1edbng. Harness engineering thi\u1ebft k\u1ebf to\u00e0n b\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh agent: execution loop, tool access, memory pipeline, state persistence, sandbox, guardrails. Prompt ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n nh\u1ecf trong context management c\u1ee7a harness \u2014 harness r\u1ed9ng h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin: 25px 0 10px;\">C\u00f3 c\u1ea7n GPU \u0111\u1ec3 ch\u1ea1y agent harness kh\u00f4ng?<\/h3>\n<p style=\"text-align: justify;\">Ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1ch b\u1ea1n d\u00f9ng model. N\u1ebfu agent g\u1ecdi API cloud (OpenAI, Anthropic, Google) th\u00ec kh\u00f4ng c\u1ea7n GPU \u2014 harness ch\u1ec9 c\u1ea7n CPU v\u00e0 RAM \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00f2ng l\u1eb7p, state, tool call. GPU ch\u1ec9 c\u1ea7n khi b\u1ea1n ch\u1ea1y local LLM (Ollama, vLLM) tr\u00ean ch\u00ednh m\u00e1y ch\u1ee7 \u0111\u00f3. Ph\u1ea7n l\u1edbn agent hi\u1ec7n nay g\u1ecdi API n\u00ean VPS CPU th\u01b0\u1eddng l\u00e0 \u0111\u1ee7.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin: 25px 0 10px;\">C\u00f3 th\u1ec3 t\u1ef1 vi\u1ebft agent harness t\u1eeb \u0111\u1ea7u kh\u00f4ng?<\/h3>\n<p style=\"text-align: justify;\">Ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c. M\u1ed9t harness t\u1ed1i thi\u1ec3u c\u1ea7n: v\u00f2ng l\u1eb7p while g\u1ecdi model, parser cho tool call output, h\u00e0m th\u1ef1c thi tool v\u00e0 c\u01a1 ch\u1ebf d\u1eebng. Python l\u00e0 ng\u00f4n ng\u1eef ph\u1ed5 bi\u1ebfn nh\u1ea5t. Tuy nhi\u00ean, v\u1edbi h\u1ea7u h\u1ebft tr\u01b0\u1eddng h\u1ee3p, d\u00f9ng framework c\u00f3 s\u1eb5n (LangGraph, OpenAI Agents SDK) r\u1ed3i t\u00f9y ch\u1ec9nh harness layer b\u00ean tr\u00ean s\u1ebd nhanh h\u01a1n vi\u1ebft m\u1ecdi th\u1ee9 t\u1eeb \u0111\u1ea7u.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin: 25px 0 10px;\">Harness agent l\u00e0 g\u00ec trong b\u1ed1i c\u1ea3nh MCP (Model Context Protocol)?<\/h3>\n<p style=\"text-align: justify;\">MCP l\u00e0 giao th\u1ee9c chu\u1ea9n h\u00f3a c\u00e1ch agent k\u1ebft n\u1ed1i v\u1edbi tool b\u00ean ngo\u00e0i. Trong ki\u1ebfn tr\u00fac harness, MCP n\u1eb1m \u1edf t\u1ea7ng <strong>tool access<\/strong> \u2014 thay v\u00ec m\u1ed7i tool c\u1ea7n adapter ri\u00eang, MCP cung c\u1ea5p giao di\u1ec7n th\u1ed1ng nh\u1ea5t \u0111\u1ec3 harness g\u1ecdi b\u1ea5t k\u1ef3 tool n\u00e0o h\u1ed7 tr\u1ee3 protocol n\u00e0y. Harness t\u00edch h\u1ee3p MCP c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng tool m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda code core c\u1ee7a agent.<\/p>\n<div style=\"border-top: 2px dashed #BFDBFE; margin-top: 50px; padding-top: 30px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 22px; font-weight: bold; margin-bottom: 15px;\">L\u1eddi k\u1ebft<\/h3>\n<p style=\"text-align: justify;\">Quay l\u1ea1i c\u00e2u h\u1ecfi ban \u0111\u1ea7u: harness agent l\u00e0 g\u00ec? \u0110\u00f3 l\u00e0 to\u00e0n b\u1ed9 l\u1edbp ph\u1ea7n m\u1ec1m bao quanh <a href=\"https:\/\/interdata.vn\/blog\/llm-la-gi\/\">LLM<\/a> \u2014 t\u1eeb v\u00f2ng l\u1eb7p th\u1ef1c thi, tool access, memory, context management \u0111\u1ebfn guardrails v\u00e0 sandbox \u2014 bi\u1ebfn m\u1ed9t model ch\u1ec9 bi\u1ebft sinh text th\u00e0nh agent bi\u1ebft h\u00e0nh \u0111\u1ed9ng c\u00f3 ki\u1ec3m so\u00e1t. \u0110\u1eebng \u0111\u1ed5 l\u1ed7i cho model khi agent ch\u1ea1y k\u00e9m; ph\u1ea7n l\u1edbn l\u1ed7i n\u1eb1m \u1edf harness. B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ki\u1ec3m tra execution loop, b\u1ed5 sung error handling, thi\u1ebft l\u1eadp state persistence \u2014 r\u1ed3i tri\u1ec3n khai l\u00ean m\u1ed9t m\u00e1y ch\u1ee7 c\u00f3 quy\u1ec1n root \u0111\u1ec3 agent ch\u1ea1y n\u1ec1n \u1ed5n \u0111\u1ecbnh.<\/p>\n<div style=\"background: #EFF6FF; border: 1px solid #2563EB; padding: 30px; margin-top: 25px; border-radius: 12px; text-align: center;\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-size: 20px; font-weight: bold; color: #1e3a8a; margin-top: 0;\">B\u1eaft tay d\u1ef1ng agent harness c\u1ee7a ri\u00eang b\u1ea1n<\/p>\n<p style=\"font-size: 15px; margin-bottom: 20px; color: #4b5563;\">B\u1eaft \u0111\u1ea7u v\u1edbi VPS \u0111\u1ec3 ch\u1ea1y n\u1ec1n \u1ed5n \u0111\u1ecbnh, n\u00e2ng l\u00ean Cloud Server khi agent c\u1ea7n scale \u2014 v\u00e0 gh\u00e9 <a href=\"https:\/\/interdata.vn\/canhme\/\" target=\"_blank\" rel=\"noopener\">Canh Me<\/a> \u0111\u1ec3 s\u0103n deal tr\u01b0\u1edbc khi ch\u1ed1t g\u00f3i.<\/p>\n<p><a style=\"background: #2563EB; color: #fff; padding: 12px 30px; text-decoration: none; font-weight: 600; border-radius: 6px; display: inline-block;\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Xem B\u1ea3ng Gi\u00e1 Thu\u00ea VPS \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<p style=\"text-align: justify; font-size: 13px; font-style: italic; color: #6b7280; margin-top: 30px; border-top: 1px solid #E5E7EB; padding-top: 15px;\"><span style=\"font-size: 100%;\"><em>N\u1ed9i dung mang t\u00ednh tham kh\u1ea3o k\u1ef9 thu\u1eadt. Ki\u1ebfn tr\u00fac harness, tool, c\u1ea5u h\u00ecnh tri\u1ec3n khai v\u00e0 h\u00e0nh vi agent c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo model c\u1ee5 th\u1ec3, phi\u00ean b\u1ea3n framework (LangChain, LangGraph, n8n, OpenAI Agents SDK\u2026), h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf. Lu\u00f4n ki\u1ec3m th\u1eed k\u1ef9, sao l\u01b0u d\u1eef li\u1ec7u v\u00e0 \u0111\u00e1nh gi\u00e1 r\u1ee7i ro b\u1ea3o m\u1eadt tr\u01b0\u1edbc khi \u0111\u01b0a agent v\u00e0o production.<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Harness agent l\u00e0 g\u00ec m\u00e0 developer, AI engineer n\u00e0o c\u0169ng nh\u1eafc nh\u01b0ng \u00edt ng\u01b0\u1eddi gi\u1ea3i th\u00edch r\u00f5? N\u1ebfu b\u1ea1n \u0111ang x\u00e2y AI Agent v\u00e0 th\u1eafc m\u1eafc v\u00ec sao agent c\u1ee7a m\u00ecnh g\u1ecdi tool sai, m\u1ea5t ng\u1eef c\u1ea3nh gi\u1eefa ch\u1eebng ho\u1eb7c ch\u1ea1y kh\u00f4ng ki\u1ec3m so\u00e1t \u2014 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng n\u1eb1m \u1edf harness, kh\u00f4ng ph\u1ea3i model. B\u00e0i<\/p>\n","protected":false},"author":2,"featured_media":43062,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[166],"tags":[],"class_list":["post-43057","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-agent"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/43057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=43057"}],"version-history":[{"count":3,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/43057\/revisions"}],"predecessor-version":[{"id":43063,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/43057\/revisions\/43063"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/43062"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=43057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=43057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=43057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}