diff --git a/antora-playbook.yml b/antora-playbook.yml
index 90e747e..f675d3c 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -44,6 +44,12 @@ ui:
     snapshot: true  # Use latest snapshot build
   supplemental_files: ./supplemental-ui # Custom UI overrides and additions
 
+antora:
+  extensions:
+    # Add offline search using Lunr
+    # https://gitlab.com/antora/antora-lunr-extension
+    - require: '@antora/lunr-extension'
+
 asciidoc:
   extensions:
     - asciidoctor-kroki
diff --git a/package-lock.json b/package-lock.json
index 24755e9..8046147 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "1.0.0",
       "devDependencies": {
         "@antora/cli": "^3.1.12",
+        "@antora/lunr-extension": "^1.0.0-alpha.13",
         "@antora/site-generator": "^3.1.12",
         "asciidoctor-kroki": "^0.18.1"
       }
@@ -161,6 +162,24 @@
         "node": ">=16.0.0"
       }
     },
+    "node_modules/@antora/lunr-extension": {
+      "version": "1.0.0-alpha.13",
+      "resolved": "https://registry.npmjs.org/@antora/lunr-extension/-/lunr-extension-1.0.0-alpha.13.tgz",
+      "integrity": "sha512-u8n8XLB6elMmXbW0bdeL5jG8UBJi6PSiz1zaMn+wIIIu/bnxotRBW4kEWSge+zTfdF4rEYMcJ9LvkAOamMyuKQ==",
+      "dev": true,
+      "license": "MPL-2.0",
+      "workspaces": [
+        "."
+      ],
+      "dependencies": {
+        "htmlparser2": "~9.1",
+        "lunr": "~2.3",
+        "lunr-languages": "~1.10"
+      },
+      "engines": {
+        "node": ">=16.0.0"
+      }
+    },
     "node_modules/@antora/navigation-builder": {
       "version": "3.1.14",
       "resolved": "https://registry.npmjs.org/@antora/navigation-builder/-/navigation-builder-3.1.14.tgz",
@@ -763,6 +782,65 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/dom-serializer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-2.0.0.tgz",
+      "integrity": "sha512-wIkAryiqt/nV5EQKqQpo3SToSOV9J0DnbJqwK7Wv/Trc92zIAYZ4FlMu+JPFW1DfGFt81ZTCGgDEabffXeLyJg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.2",
+        "entities": "^4.2.0"
+      },
+      "funding": {
+        "url": "https://github.com/cheeriojs/dom-serializer?sponsor=1"
+      }
+    },
+    "node_modules/domelementtype": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-2.3.0.tgz",
+      "integrity": "sha512-OLETBj6w0OsagBwdXnPdN0cnMfF9opN69co+7ZrbfPGrdpPVNBUj02spi6B1N7wChLQiPn4CSH/zJvXw56gmHw==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fb55"
+        }
+      ],
+      "license": "BSD-2-Clause"
+    },
+    "node_modules/domhandler": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-5.0.3.tgz",
+      "integrity": "sha512-cgwlv/1iFQiFnU96XXgROh8xTeetsnJiDsTc7TYCLFd9+/WNkIqPTxiM/8pSd8VIrhXGTf1Ny1q1hquVqDJB5w==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "domelementtype": "^2.3.0"
+      },
+      "engines": {
+        "node": ">= 4"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/domhandler?sponsor=1"
+      }
+    },
+    "node_modules/domutils": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/domutils/-/domutils-3.2.2.tgz",
+      "integrity": "sha512-6kZKyUajlDuqlHKVX1w7gyslj9MPIXzIFiz/rGu35uC1wMi+kMhQwGhl4lt9unC9Vb9INnY9Z3/ZA3+FhASLaw==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "dom-serializer": "^2.0.0",
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.3"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/domutils?sponsor=1"
+      }
+    },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
@@ -788,6 +866,19 @@
         "once": "^1.4.0"
       }
     },
+    "node_modules/entities": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
+      "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=0.12"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
     "node_modules/es-define-property": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
@@ -1137,6 +1228,26 @@
         "node": ">=14"
       }
     },
+    "node_modules/htmlparser2": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-9.1.0.tgz",
+      "integrity": "sha512-5zfg6mHUoaer/97TxnGpxmbR7zJtPwIYFMZ/H5ucTlPZhKvtum05yiPK3Mgai3a0DyVxv7qYqoweaEd2nrYQzQ==",
+      "dev": true,
+      "funding": [
+        "https://github.com/fb55/htmlparser2?sponsor=1",
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fb55"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.3",
+        "domutils": "^3.1.0",
+        "entities": "^4.5.0"
+      }
+    },
     "node_modules/ieee754": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
@@ -1333,6 +1444,20 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/lunr": {
+      "version": "2.3.9",
+      "resolved": "https://registry.npmjs.org/lunr/-/lunr-2.3.9.tgz",
+      "integrity": "sha512-zTU3DaZaF3Rt9rhN3uBMGQD3dD2/vFQqnvZCDv4dl5iOzq2IZQqTxu90r4E5J+nP70J3ilqVCrbho2eWaeW8Ow==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/lunr-languages": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/lunr-languages/-/lunr-languages-1.10.0.tgz",
+      "integrity": "sha512-BBjKKcwrieJlzwwc9M5H/MRXGJ2qyOSDx/NXYiwkuKjiLOOoouh0WsDzeqcLoUWcX31y7i8sb8IgsZKObdUCkw==",
+      "dev": true,
+      "license": "MPL-1.1"
+    },
     "node_modules/math-intrinsics": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
diff --git a/package.json b/package.json
index 5ee426d..761ff64 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
   },
   "devDependencies": {
     "@antora/cli": "^3.1.12",
+    "@antora/lunr-extension": "^1.0.0-alpha.13",
     "@antora/site-generator": "^3.1.12",
     "asciidoctor-kroki": "^0.18.1"
   }
diff --git a/supplemental-ui/partials/header-content.hbs b/supplemental-ui/partials/header-content.hbs
index 529e288..3f65d40 100644
--- a/supplemental-ui/partials/header-content.hbs
+++ b/supplemental-ui/partials/header-content.hbs
@@ -5,6 +5,13 @@
     </div>
     <div class="navbar-menu">
       <div class="navbar-end">
+        {{#if env.SITE_SEARCH_PROVIDER}}
+        <div class="navbar-item search hide-for-print">
+          <div id="search-field" class="field">
+            <input id="search-input" type="text" placeholder="Search the docs"{{#if page.home}} autofocus{{/if}}>
+          </div>
+        </div>
+        {{/if}}
         <div class="navbar-item">
           <a class="navbar-item" href="https://github.com/agentic-layer" target="_blank" style="color: #fff;">
             <span class="icon" style="margin-right: 0.25rem;">