diff --git a/next.config.ts b/next.config.ts
index 2440bbe..1c5468f 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -1,6 +1,23 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
+  async headers() {
+    return [
+      {
+        source: "/:path*",
+        headers: [
+          // Signals AI crawlers that training, search indexing, and agentic
+          // use are all permitted (https://contentsignals.org). Set here
+          // rather than public/_headers because the Docker deploy doesn't
+          // read that file.
+          {
+            key: "Content-Signal",
+            value: "ai-train=yes, search=yes, ai-input=yes",
+          },
+        ],
+      },
+    ];
+  },
   async redirects() {
     return [
       {
diff --git a/package.json b/package.json
index 56d259a..6a8bcef 100644
--- a/package.json
+++ b/package.json
@@ -45,16 +45,21 @@
     "react-dom": "19.2.3",
     "react-hook-form": "^7.62.0",
     "react-markdown": "^10.1.0",
+    "rehype-parse": "^9.0.1",
+    "rehype-remark": "^10.0.1",
     "remark-gfm": "^4.0.1",
+    "remark-stringify": "^11.0.0",
     "schema-dts": "^2.0.0",
     "sonner": "^2.0.7",
     "swr": "^2.3.8",
     "tailwind-merge": "^3.5.0",
     "tw-animate-css": "^1.4.0",
+    "unified": "^11.0.5",
     "zustand": "^5.0.12"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
+    "@types/hast": "^3.0.5",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e2da350..91bb95a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -101,9 +101,18 @@ importers:
       react-markdown:
         specifier: ^10.1.0
         version: 10.1.0(@types/react@19.2.14)(react@19.2.3)
+      rehype-parse:
+        specifier: ^9.0.1
+        version: 9.0.1
+      rehype-remark:
+        specifier: ^10.0.1
+        version: 10.0.1
       remark-gfm:
         specifier: ^4.0.1
         version: 4.0.1
+      remark-stringify:
+        specifier: ^11.0.0
+        version: 11.0.0
       schema-dts:
         specifier: ^2.0.0
         version: 2.0.0(typescript@5.9.3)
@@ -119,6 +128,9 @@ importers:
       tw-animate-css:
         specifier: ^1.4.0
         version: 1.4.0
+      unified:
+        specifier: ^11.0.5
+        version: 11.0.5
       zustand:
         specifier: ^5.0.12
         version: 5.0.12(@types/react@19.2.14)(react@19.2.3)(use-sync-external-store@1.6.0(react@19.2.3))
@@ -126,6 +138,9 @@ importers:
       '@tailwindcss/postcss':
         specifier: ^4
         version: 4.2.2
+      '@types/hast':
+        specifier: ^3.0.5
+        version: 3.0.5
       '@types/node':
         specifier: ^20
         version: 20.19.37
@@ -1577,8 +1592,8 @@ packages:
   '@types/geojson@7946.0.16':
     resolution: {integrity: sha512-6C8nqWur3j98U6+lXDfTUWIfgvZU+EumvpHKcYjujKH7woYyLj2sUmff0tRhrqM7BohUw7Pz3ZB1jj2gW9Fvmg==}
 
-  '@types/hast@3.0.4':
-    resolution: {integrity: sha512-WPs+bbQw5aCj+x6laNGWLH3wviHtoCv/P3+otBhbOhJgG8qtpdAMlTCxLtsTWA7LH1Oh/bFCHsBn0TPS5m30EQ==}
+  '@types/hast@3.0.5':
+    resolution: {integrity: sha512-rp/ezSWaD1m44dPKICGhiskI13nVr7qTloFwDa/IYkhhf5nzwP+zIQcIJh3WIFSBOy/H1PzB40jPjMDksN4F+g==}
 
   '@types/json-schema@7.0.15':
     resolution: {integrity: sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==}
@@ -2243,6 +2258,10 @@ packages:
     resolution: {integrity: sha512-Qohcme7V1inbAfvjItgw0EaxVX5q2rdVEZHRBrEQdRZTssLDGsL8Lwrznl8oQ/6kuTJONLaDcGjkNP247XEhcA==}
     engines: {node: '>=10.13.0'}
 
+  entities@6.0.1:
+    resolution: {integrity: sha512-aN97NXWF6AWBTahfVOIrB/NShkzi5H7F9r1s9mD3cDj4Ko5f2qhhVoYMibXF7GlLveb/D2ioWay8lxI97Ven3g==}
+    engines: {node: '>=0.12'}
+
   error-ex@1.3.4:
     resolution: {integrity: sha512-sqQamAnR14VgCr1A618A3sGrygcpK+HEbenA/HiEAkkUwcZIIB/tgWqHFxWgOyDh4nB4JCRimh79dR5Ywc9MDQ==}
 
@@ -2588,12 +2607,51 @@ packages:
     resolution: {integrity: sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==}
     engines: {node: '>= 0.4'}
 
+  hast-util-embedded@3.0.0:
+    resolution: {integrity: sha512-naH8sld4Pe2ep03qqULEtvYr7EjrLK2QHY8KJR6RJkTUjPGObe1vnx585uzem2hGra+s1q08DZZpfgDVYRbaXA==}
+
+  hast-util-from-html@2.0.3:
+    resolution: {integrity: sha512-CUSRHXyKjzHov8yKsQjGOElXy/3EKpyX56ELnkHH34vDVw1N1XSQ1ZcAvTyAPtGqLTuKP/uxM+aLkSPqF/EtMw==}
+
+  hast-util-from-parse5@8.0.3:
+    resolution: {integrity: sha512-3kxEVkEKt0zvcZ3hCRYI8rqrgwtlIOFMWkbclACvjlDw8Li9S2hk/d51OI0nr/gIpdMHNepwgOKqZ/sy0Clpyg==}
+
+  hast-util-has-property@3.0.0:
+    resolution: {integrity: sha512-MNilsvEKLFpV604hwfhVStK0usFY/QmM5zX16bo7EjnAEGofr5YyI37kzopBlZJkHD4t887i+q/C8/tr5Q94cA==}
+
+  hast-util-is-body-ok-link@3.0.1:
+    resolution: {integrity: sha512-0qpnzOBLztXHbHQenVB8uNuxTnm/QBFUOmdOSsEn7GnBtyY07+ENTWVFBAnXd/zEgd9/SUG3lRY7hSIBWRgGpQ==}
+
+  hast-util-is-element@3.0.0:
+    resolution: {integrity: sha512-Val9mnv2IWpLbNPqc/pUem+a7Ipj2aHacCwgNfTiK0vJKl0LF+4Ba4+v1oPHFpf3bLYmreq0/l3Gud9S5OH42g==}
+
+  hast-util-minify-whitespace@1.0.1:
+    resolution: {integrity: sha512-L96fPOVpnclQE0xzdWb/D12VT5FabA7SnZOUMtL1DbXmYiHJMXZvFkIZfiMmTCNJHUeO2K9UYNXoVyfz+QHuOw==}
+
+  hast-util-parse-selector@4.0.0:
+    resolution: {integrity: sha512-wkQCkSYoOGCRKERFWcxMVMOcYE2K1AaNLU8DXS9arxnLOUEWbOXKXiJUNzEpqZ3JOKpnha3jkFrumEjVliDe7A==}
+
+  hast-util-phrasing@3.0.1:
+    resolution: {integrity: sha512-6h60VfI3uBQUxHqTyMymMZnEbNl1XmEGtOxxKYL7stY2o601COo62AWAYBQR9lZbYXYSBoxag8UpPRXK+9fqSQ==}
+
+  hast-util-to-html@9.0.5:
+    resolution: {integrity: sha512-OguPdidb+fbHQSU4Q4ZiLKnzWo8Wwsf5bZfbvu7//a9oTYoqD/fWpe96NuHkoS9h0ccGOTe0C4NGXdtS0iObOw==}
+
   hast-util-to-jsx-runtime@2.3.6:
     resolution: {integrity: sha512-zl6s8LwNyo1P9uw+XJGvZtdFF1GdAkOg8ujOw+4Pyb76874fLps4ueHXDhXWdk6YHQ6OgUtinliG7RsYvCbbBg==}
 
+  hast-util-to-mdast@10.1.2:
+    resolution: {integrity: sha512-FiCRI7NmOvM4y+f5w32jPRzcxDIz+PUqDwEqn1A+1q2cdp3B8Gx7aVrXORdOKjMNDQsD1ogOr896+0jJHW1EFQ==}
+
+  hast-util-to-text@4.0.2:
+    resolution: {integrity: sha512-KK6y/BN8lbaq654j7JgBydev7wuNMcID54lkRav1P0CaE1e47P72AWWPiGKXTJU271ooYzcvTAn/Zt0REnvc7A==}
+
   hast-util-whitespace@3.0.0:
     resolution: {integrity: sha512-88JUN06ipLwsnv+dVn+OIYOvAuvBMy/Qoi6O7mQHxdPXpjy+Cd6xRkWwux7DKO+4sYILtLBRIKgsdpS2gQc7qw==}
 
+  hastscript@9.0.1:
+    resolution: {integrity: sha512-g7df9rMFX/SPi34tyGCyUBREQoKkapwdY/T04Qn9TDWfHhAYt4/I0gMVirzK5wEzeUqIjEB+LXC/ypb7Aqno5w==}
+
   hermes-estree@0.25.1:
     resolution: {integrity: sha512-0wUoCcLp+5Ev5pDW2OriHC2MJCbwLwuRx+gAqMTOkGKJJiBCLjtrvy4PWUGn6MIVefecRpzoOZ/UV6iGdOr+Cw==}
 
@@ -2606,6 +2664,9 @@ packages:
   html-url-attributes@3.0.1:
     resolution: {integrity: sha512-ol6UPyBWqsrO6EJySPz2O7ZSr856WDrEzM5zMqp+FJJLGMW35cLYmmZnl0vztAZxRUoNZJFTCohfjuIJ8I4QBQ==}
 
+  html-void-elements@3.0.0:
+    resolution: {integrity: sha512-bEqo66MRXsUGxWHV5IP0PUiAWwoEjba4VCzg0LjFJBpchPaTfyfCKTG6bc5F8ucKec3q5y6qOdGyYTSBEvhCrg==}
+
   iconv-lite@0.6.3:
     resolution: {integrity: sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==}
     engines: {node: '>=0.10.0'}
@@ -3354,6 +3415,9 @@ packages:
     resolution: {integrity: sha512-ayCKvm/phCGxOkYRSCM82iDwct8/EonSEgCSxWxD7ve6jHggsFl4fZVQBPRNgQoKiuV/odhFrGzQXZwbifC8Rg==}
     engines: {node: '>=8'}
 
+  parse5@7.3.0:
+    resolution: {integrity: sha512-IInvU7fabl34qmi9gY8XOVxhYyMyuH2xUNpb2q8/Y+7552KlejkRvqvD19nMoUW/uQGGbqNpA6Tufu5FL5BZgw==}
+
   path-exists@4.0.0:
     resolution: {integrity: sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==}
     engines: {node: '>=8'}
@@ -3570,6 +3634,15 @@ packages:
     resolution: {integrity: sha512-dYqgNSZbDwkaJ2ceRd9ojCGjBq+mOm9LmtXnAnEGyHhN/5R7iDW2TRw3h+o/jCFxus3P2LfWIIiwowAjANm7IA==}
     engines: {node: '>= 0.4'}
 
+  rehype-minify-whitespace@6.0.2:
+    resolution: {integrity: sha512-Zk0pyQ06A3Lyxhe9vGtOtzz3Z0+qZ5+7icZ/PL/2x1SHPbKao5oB/g/rlc6BCTajqBb33JcOe71Ye1oFsuYbnw==}
+
+  rehype-parse@9.0.1:
+    resolution: {integrity: sha512-ksCzCD0Fgfh7trPDxr2rSylbwq9iYDkSn8TCDmEJ49ljEUBxDVCzCHv7QNzZOfODanX4+bWQ4WZqLCRWYLfhag==}
+
+  rehype-remark@10.0.1:
+    resolution: {integrity: sha512-EmDndlb5NVwXGfUa4c9GPK+lXeItTilLhE6ADSaQuHr4JUlKw9MidzGzx4HpqZrNCt6vnHmEifXQiiA+CEnjYQ==}
+
   remark-gfm@4.0.1:
     resolution: {integrity: sha512-1quofZ2RQ9EWdeN34S79+KExV1764+wCUGop5CPL1WGdD0ocPpu91lzPGbwWMECpEpd42kJGQwzRfyov9j4yNg==}
 
@@ -3857,6 +3930,9 @@ packages:
   trim-lines@3.0.1:
     resolution: {integrity: sha512-kRj8B+YHZCc9kQYdWfJB2/oUl9rA99qbowYYBtr4ui4mZyAQ2JpvVBd/6U2YloATfqBhBTSMhTpgBHtU0Mf3Rg==}
 
+  trim-trailing-lines@2.1.0:
+    resolution: {integrity: sha512-5UR5Biq4VlVOtzqkm2AZlgvSlDJtME46uV0br0gENbwN4l5+mMKT4b9gJKqWtuL2zAIqajGJGuvbCbcAJUZqBg==}
+
   trough@2.2.0:
     resolution: {integrity: sha512-tmMpK00BjZiUyVyvrBK7knerNgmgvcV/KLVyuma/SC+TQN167GrMRciANTz09+k3zW8L8t60jWO1GpfkZdjTaw==}
 
@@ -3925,6 +4001,9 @@ packages:
   unified@11.0.5:
     resolution: {integrity: sha512-xKvGhPWw3k84Qjh8bI3ZeJjqnyadK+GEFtazSfZv/rKeTkTjOJho6mFqh2SM96iIcZokxiOpg78GazTSg8+KHA==}
 
+  unist-util-find-after@5.0.0:
+    resolution: {integrity: sha512-amQa0Ep2m6hE2g72AugUItjbuM8X8cGQnFoHk0pGfrFeT9GZhzN5SW8nRsiGKK7Aif4CrACPENkA6P/Lw6fHGQ==}
+
   unist-util-is@6.0.1:
     resolution: {integrity: sha512-LsiILbtBETkDz8I9p1dQ0uyRUWuaQzd/cuEeS1hoRSyW5E5XGmTzlwY1OrNzzakGowI9Dr/I8HVaw4hTtnxy8g==}
 
@@ -4010,12 +4089,18 @@ packages:
     resolution: {integrity: sha512-2UJ32VNh+lMUP9RlLoneEdrnupW3eIM9TGdTuaa+HSUqKACt9Vvw+xoGFGdd0YsUnGidTNyuxdhQRhJVpDAvqw==}
     engines: {node: '>=12'}
 
+  vfile-location@5.0.3:
+    resolution: {integrity: sha512-5yXvWDEgqeiYiBe1lbxYF7UMAIm/IcopxMHrMQDq3nvKcjPKIhZklUKL+AE7J7uApI4kwe2snsK+eI6UTj9EHg==}
+
   vfile-message@4.0.3:
     resolution: {integrity: sha512-QTHzsGd1EhbZs4AsQ20JX1rC3cOlt/IWJruk893DfLRr57lcnOeMaWG4K0JrRta4mIJZKth2Au3mM3u03/JWKw==}
 
   vfile@6.0.3:
     resolution: {integrity: sha512-KzIbH/9tXat2u30jf+smMwFCsno4wHVdNmzFyL+T/L3UGqqk6JKfVqOFOZEpZSHADH1k40ab6NUIXZq422ov3Q==}
 
+  web-namespaces@2.0.1:
+    resolution: {integrity: sha512-bKr1DkiNa2krS7qxNtdrtHAmzuYGFQLiQ13TsorsdT6ULTkPLKuu5+GsFpDlg6JFjUTwX2DyhMPG2be8uPrqsQ==}
+
   web-vitals@5.2.0:
     resolution: {integrity: sha512-i2z98bEmaCqSDiHEDu+gHl/dmR4Q+TxFmG3/13KkMO+o8UxQzCqWaDRCiLgEa41nlO4VpXSI0ASa1xWmO9sBlA==}
 
@@ -5436,7 +5521,7 @@ snapshots:
 
   '@types/geojson@7946.0.16': {}
 
-  '@types/hast@3.0.4':
+  '@types/hast@3.0.5':
     dependencies:
       '@types/unist': 3.0.3
 
@@ -6125,6 +6210,8 @@ snapshots:
       graceful-fs: 4.2.11
       tapable: 2.3.2
 
+  entities@6.0.1: {}
+
   error-ex@1.3.4:
     dependencies:
       is-arrayish: 0.2.1
@@ -6640,10 +6727,81 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
+  hast-util-embedded@3.0.0:
+    dependencies:
+      '@types/hast': 3.0.5
+      hast-util-is-element: 3.0.0
+
+  hast-util-from-html@2.0.3:
+    dependencies:
+      '@types/hast': 3.0.5
+      devlop: 1.1.0
+      hast-util-from-parse5: 8.0.3
+      parse5: 7.3.0
+      vfile: 6.0.3
+      vfile-message: 4.0.3
+
+  hast-util-from-parse5@8.0.3:
+    dependencies:
+      '@types/hast': 3.0.5
+      '@types/unist': 3.0.3
+      devlop: 1.1.0
+      hastscript: 9.0.1
+      property-information: 7.1.0
+      vfile: 6.0.3
+      vfile-location: 5.0.3
+      web-namespaces: 2.0.1
+
+  hast-util-has-property@3.0.0:
+    dependencies:
+      '@types/hast': 3.0.5
+
+  hast-util-is-body-ok-link@3.0.1:
+    dependencies:
+      '@types/hast': 3.0.5
+
+  hast-util-is-element@3.0.0:
+    dependencies:
+      '@types/hast': 3.0.5
+
+  hast-util-minify-whitespace@1.0.1:
+    dependencies:
+      '@types/hast': 3.0.5
+      hast-util-embedded: 3.0.0
+      hast-util-is-element: 3.0.0
+      hast-util-whitespace: 3.0.0
+      unist-util-is: 6.0.1
+
+  hast-util-parse-selector@4.0.0:
+    dependencies:
+      '@types/hast': 3.0.5
+
+  hast-util-phrasing@3.0.1:
+    dependencies:
+      '@types/hast': 3.0.5
+      hast-util-embedded: 3.0.0
+      hast-util-has-property: 3.0.0
+      hast-util-is-body-ok-link: 3.0.1
+      hast-util-is-element: 3.0.0
+
+  hast-util-to-html@9.0.5:
+    dependencies:
+      '@types/hast': 3.0.5
+      '@types/unist': 3.0.3
+      ccount: 2.0.1
+      comma-separated-tokens: 2.0.3
+      hast-util-whitespace: 3.0.0
+      html-void-elements: 3.0.0
+      mdast-util-to-hast: 13.2.1
+      property-information: 7.1.0
+      space-separated-tokens: 2.0.2
+      stringify-entities: 4.0.4
+      zwitch: 2.0.4
+
   hast-util-to-jsx-runtime@2.3.6:
     dependencies:
       '@types/estree': 1.0.8
-      '@types/hast': 3.0.4
+      '@types/hast': 3.0.5
       '@types/unist': 3.0.3
       comma-separated-tokens: 2.0.3
       devlop: 1.1.0
@@ -6660,9 +6818,41 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  hast-util-to-mdast@10.1.2:
+    dependencies:
+      '@types/hast': 3.0.5
+      '@types/mdast': 4.0.4
+      '@ungap/structured-clone': 1.3.0
+      hast-util-phrasing: 3.0.1
+      hast-util-to-html: 9.0.5
+      hast-util-to-text: 4.0.2
+      hast-util-whitespace: 3.0.0
+      mdast-util-phrasing: 4.1.0
+      mdast-util-to-hast: 13.2.1
+      mdast-util-to-string: 4.0.0
+      rehype-minify-whitespace: 6.0.2
+      trim-trailing-lines: 2.1.0
+      unist-util-position: 5.0.0
+      unist-util-visit: 5.1.0
+
+  hast-util-to-text@4.0.2:
+    dependencies:
+      '@types/hast': 3.0.5
+      '@types/unist': 3.0.3
+      hast-util-is-element: 3.0.0
+      unist-util-find-after: 5.0.0
+
   hast-util-whitespace@3.0.0:
     dependencies:
-      '@types/hast': 3.0.4
+      '@types/hast': 3.0.5
+
+  hastscript@9.0.1:
+    dependencies:
+      '@types/hast': 3.0.5
+      comma-separated-tokens: 2.0.3
+      hast-util-parse-selector: 4.0.0
+      property-information: 7.1.0
+      space-separated-tokens: 2.0.2
 
   hermes-estree@0.25.1: {}
 
@@ -6676,6 +6866,8 @@ snapshots:
 
   html-url-attributes@3.0.1: {}
 
+  html-void-elements@3.0.0: {}
+
   iconv-lite@0.6.3:
     dependencies:
       safer-buffer: 2.1.2
@@ -7079,7 +7271,7 @@ snapshots:
   mdast-util-mdx-expression@2.0.1:
     dependencies:
       '@types/estree-jsx': 1.0.5
-      '@types/hast': 3.0.4
+      '@types/hast': 3.0.5
       '@types/mdast': 4.0.4
       devlop: 1.1.0
       mdast-util-from-markdown: 2.0.3
@@ -7090,7 +7282,7 @@ snapshots:
   mdast-util-mdx-jsx@3.2.0:
     dependencies:
       '@types/estree-jsx': 1.0.5
-      '@types/hast': 3.0.4
+      '@types/hast': 3.0.5
       '@types/mdast': 4.0.4
       '@types/unist': 3.0.3
       ccount: 2.0.1
@@ -7107,7 +7299,7 @@ snapshots:
   mdast-util-mdxjs-esm@2.0.1:
     dependencies:
       '@types/estree-jsx': 1.0.5
-      '@types/hast': 3.0.4
+      '@types/hast': 3.0.5
       '@types/mdast': 4.0.4
       devlop: 1.1.0
       mdast-util-from-markdown: 2.0.3
@@ -7122,7 +7314,7 @@ snapshots:
 
   mdast-util-to-hast@13.2.1:
     dependencies:
-      '@types/hast': 3.0.4
+      '@types/hast': 3.0.5
       '@types/mdast': 4.0.4
       '@ungap/structured-clone': 1.3.0
       devlop: 1.1.0
@@ -7594,6 +7786,10 @@ snapshots:
       json-parse-even-better-errors: 2.3.1
       lines-and-columns: 1.2.4
 
+  parse5@7.3.0:
+    dependencies:
+      entities: 6.0.1
+
   path-exists@4.0.0: {}
 
   path-expression-matcher@1.5.0: {}
@@ -7749,7 +7945,7 @@ snapshots:
 
   react-markdown@10.1.0(@types/react@19.2.14)(react@19.2.3):
     dependencies:
-      '@types/hast': 3.0.4
+      '@types/hast': 3.0.5
       '@types/mdast': 4.0.4
       '@types/react': 19.2.14
       devlop: 1.1.0
@@ -7860,6 +8056,25 @@ snapshots:
       gopd: 1.2.0
       set-function-name: 2.0.2
 
+  rehype-minify-whitespace@6.0.2:
+    dependencies:
+      '@types/hast': 3.0.5
+      hast-util-minify-whitespace: 1.0.1
+
+  rehype-parse@9.0.1:
+    dependencies:
+      '@types/hast': 3.0.5
+      hast-util-from-html: 2.0.3
+      unified: 11.0.5
+
+  rehype-remark@10.0.1:
+    dependencies:
+      '@types/hast': 3.0.5
+      '@types/mdast': 4.0.4
+      hast-util-to-mdast: 10.1.2
+      unified: 11.0.5
+      vfile: 6.0.3
+
   remark-gfm@4.0.1:
     dependencies:
       '@types/mdast': 4.0.4
@@ -7882,7 +8097,7 @@ snapshots:
 
   remark-rehype@11.1.2:
     dependencies:
-      '@types/hast': 3.0.4
+      '@types/hast': 3.0.5
       '@types/mdast': 4.0.4
       mdast-util-to-hast: 13.2.1
       unified: 11.0.5
@@ -8226,6 +8441,8 @@ snapshots:
 
   trim-lines@3.0.1: {}
 
+  trim-trailing-lines@2.1.0: {}
+
   trough@2.2.0: {}
 
   ts-api-utils@2.5.0(typescript@5.9.3):
@@ -8321,6 +8538,11 @@ snapshots:
       trough: 2.2.0
       vfile: 6.0.3
 
+  unist-util-find-after@5.0.0:
+    dependencies:
+      '@types/unist': 3.0.3
+      unist-util-is: 6.0.1
+
   unist-util-is@6.0.1:
     dependencies:
       '@types/unist': 3.0.3
@@ -8418,6 +8640,11 @@ snapshots:
 
   versor@0.2.0: {}
 
+  vfile-location@5.0.3:
+    dependencies:
+      '@types/unist': 3.0.3
+      vfile: 6.0.3
+
   vfile-message@4.0.3:
     dependencies:
       '@types/unist': 3.0.3
@@ -8428,6 +8655,8 @@ snapshots:
       '@types/unist': 3.0.3
       vfile-message: 4.0.3
 
+  web-namespaces@2.0.1: {}
+
   web-vitals@5.2.0: {}
 
   webidl-conversions@7.0.0: {}
diff --git a/public/_headers b/public/_headers
index 788ce09..893ac56 100644
--- a/public/_headers
+++ b/public/_headers
@@ -4,6 +4,7 @@
   Referrer-Policy: strict-origin-when-cross-origin
   Permissions-Policy: camera=(), microphone=(), geolocation=()
   X-DNS-Prefetch-Control: on
+  Content-Signal: ai-train=yes, search=yes, ai-input=yes
   Content-Security-Policy: default-src 'none'; script-src 'self' 'unsafe-inline' https://platform.twitter.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://cdn.prod.website-files.com https://p16-sign-sg.tiktokcdn.com https://storage.googleapis.com https://scontent.cdninstagram.com https://*.cdninstagram.com https://pbs.twimg.com https://images.lumacdn.com; font-src 'self'; connect-src 'self' https://public-api.luma.com; frame-src https://luma.com https://platform.twitter.com; media-src 'self'; frame-ancestors 'none'; form-action 'self'; base-uri 'self'; manifest-src 'self'
 
 https://:project.pages.dev/*
diff --git a/src/app/builders/[slug]/page.tsx b/src/app/builders/[slug]/page.tsx
index 58b8152..ca4d2d2 100644
--- a/src/app/builders/[slug]/page.tsx
+++ b/src/app/builders/[slug]/page.tsx
@@ -15,7 +15,10 @@ export async function generateMetadata({
     return {
       title: `${builder.name}: ${builder.tagline}`,
       description: builder.quote ?? undefined,
-      alternates: { canonical: `/builders/${builder.slug}` },
+      alternates: {
+        canonical: `/builders/${builder.slug}`,
+        types: { "text/markdown": `/builders/${builder.slug}.md` },
+      },
       openGraph: {
         title: `${builder.name}: ${builder.tagline} | Build Canada`,
         description: builder.quote ?? undefined,
diff --git a/src/app/llms.txt/route.ts b/src/app/llms.txt/route.ts
new file mode 100644
index 0000000..8956006
--- /dev/null
+++ b/src/app/llms.txt/route.ts
@@ -0,0 +1,77 @@
+import { fetchMemos } from "@/lib/api/memos";
+import { fetchPosts } from "@/lib/api/posts";
+import { fetchBuilders } from "@/lib/api/builders";
+import { getSiteConfig } from "@/lib/api/config";
+
+// Curated index for LLM agents (https://llmstxt.org). Links point at the .md
+// representations served via src/app/md/[...path]/route.ts. Upstream outages
+// degrade to the static sections instead of failing the whole file.
+export const revalidate = 3600;
+
+interface Entry {
+  title: string;
+  url: string;
+  note?: string | null;
+}
+
+function section(heading: string, entries: Entry[]): string | null {
+  if (!entries.length) return null;
+  const lines = entries.map(
+    (e) => `- [${e.title}](${e.url})${e.note ? `: ${e.note}` : ""}`,
+  );
+  return `## ${heading}\n\n${lines.join("\n")}`;
+}
+
+export async function GET() {
+  const { siteUrl, orgDescription } = getSiteConfig();
+
+  const [memos, posts, builders] = await Promise.all([
+    fetchMemos().catch(() => []),
+    fetchPosts().catch(() => []),
+    fetchBuilders().catch(() => []),
+  ]);
+
+  const parts = [
+    "# Build Canada",
+    `> ${orgDescription}`,
+    [
+      `Build Canada publishes policy memos, posts, and profiles of great Canadian builders at ${siteUrl}.`,
+      "Every memo, post, and builder profile is available as clean markdown: append `.md` to its URL,",
+      "or request the HTML URL with an `Accept: text/markdown` header.",
+      `The homepage (${siteUrl}) and ${siteUrl}/about describe the organization and team.`,
+    ].join(" "),
+    section(
+      "Memos",
+      memos.map((m) => ({
+        title: m.title,
+        url: `${siteUrl}/memos/${m.slug}.md`,
+        note: m.keyMessage1,
+      })),
+    ),
+    section(
+      "Posts",
+      posts.map((p) => ({
+        title: p.title,
+        url: `${siteUrl}/posts/${p.slug}.md`,
+        note: p.keyMessage1,
+      })),
+    ),
+    section(
+      "Builders",
+      builders.map((b) => ({
+        title: b.tagline ? `${b.name}: ${b.tagline}` : b.name,
+        url: `${siteUrl}/builders/${b.slug}.md`,
+        note: b.quote,
+      })),
+    ),
+    section("Other (HTML only)", [
+      { title: "Government commitment tracker", url: `${siteUrl}/tracker`, note: "Tracks federal government commitments and their status" },
+      { title: "Bills explorer", url: `${siteUrl}/bills`, note: "Plain-language summaries of Canadian legislation" },
+      { title: "Projects", url: `${siteUrl}/projects`, note: "Tools and projects built by the Build Canada community" },
+    ]),
+  ];
+
+  return new Response(parts.filter(Boolean).join("\n\n") + "\n", {
+    headers: { "Content-Type": "text/plain; charset=utf-8" },
+  });
+}
diff --git a/src/app/md/[...path]/route.ts b/src/app/md/[...path]/route.ts
new file mode 100644
index 0000000..ad729db
--- /dev/null
+++ b/src/app/md/[...path]/route.ts
@@ -0,0 +1,40 @@
+import { NextRequest } from "next/server";
+import { markdownBuilders } from "@/lib/markdown/content";
+import { markdownResponse } from "@/lib/markdown/document";
+
+// Serves the markdown representation of content pages at /md/{type}/{slug}.
+// Not linked directly: src/proxy.ts rewrites the two public shapes here —
+// /memos/foo.md and `Accept: text/markdown` on /memos/foo (same for posts
+// and builders). Upstream fetches are ISR-cached at the fetch layer
+// (revalidate in src/lib/api/*), so this handler is a cheap pure transform.
+// Draft content can't leak: apiFetch only sends a bearer token when one is
+// explicitly set in the request scope, which never happens here.
+export async function GET(
+  req: NextRequest,
+  { params }: { params: Promise<{ path: string[] }> },
+) {
+  const { path } = await params;
+
+  if (path.length !== 2) {
+    return new Response("Not found", { status: 404 });
+  }
+
+  const [type, slug] = path;
+  const build = markdownBuilders[type];
+  if (!build) {
+    return new Response("Not found", { status: 404 });
+  }
+
+  let result;
+  try {
+    result = await build(decodeURIComponent(slug));
+  } catch {
+    return new Response("Not found", { status: 404 });
+  }
+
+  if (result.kind === "redirect") {
+    return Response.redirect(new URL(result.location, req.url), 308);
+  }
+
+  return markdownResponse(result.doc, { canonicalUrl: result.canonicalUrl });
+}
diff --git a/src/app/memos/[slug]/page.tsx b/src/app/memos/[slug]/page.tsx
index 2a02bdb..b3bab46 100644
--- a/src/app/memos/[slug]/page.tsx
+++ b/src/app/memos/[slug]/page.tsx
@@ -56,7 +56,10 @@ export async function generateMetadata({
   return {
     title,
     description,
-    alternates: { canonical: `/memos/${memo.slug}` },
+    alternates: {
+      canonical: `/memos/${memo.slug}`,
+      types: { "text/markdown": `/memos/${memo.slug}.md` },
+    },
     openGraph: {
       title,
       description,
diff --git a/src/app/posts/[slug]/page.tsx b/src/app/posts/[slug]/page.tsx
index 1b472a4..ad83e13 100644
--- a/src/app/posts/[slug]/page.tsx
+++ b/src/app/posts/[slug]/page.tsx
@@ -39,7 +39,10 @@ export async function generateMetadata({
   return {
     title,
     description,
-    alternates: { canonical: `/posts/${post.slug}` },
+    alternates: {
+      canonical: `/posts/${post.slug}`,
+      types: { "text/markdown": `/posts/${post.slug}.md` },
+    },
     openGraph: {
       title,
       description,
diff --git a/src/lib/markdown/content.ts b/src/lib/markdown/content.ts
new file mode 100644
index 0000000..bf40700
--- /dev/null
+++ b/src/lib/markdown/content.ts
@@ -0,0 +1,160 @@
+import { fetchMemo } from "@/lib/api/memos";
+import { fetchPost } from "@/lib/api/posts";
+import { fetchBuilder } from "@/lib/api/builders";
+import { getSiteConfig } from "@/lib/api/config";
+import { buildGraph } from "@/lib/schemas/graph";
+import { generateArticleSchema } from "@/lib/schemas/generators/article";
+import { generateBreadcrumbSchema } from "@/lib/schemas/generators/breadcrumb";
+import { generateOrganizationSchema } from "@/lib/schemas/generators/organization";
+import { htmlToMarkdown } from "./html-to-markdown";
+import { buildMarkdownDocument, type MarkdownDocument } from "./document";
+
+export type MarkdownContentResult =
+  | { kind: "document"; doc: MarkdownDocument; canonicalUrl: string }
+  | { kind: "redirect"; location: string };
+
+export type MarkdownContentBuilder = (slug: string) => Promise<MarkdownContentResult>;
+
+export async function memoMarkdown(slug: string): Promise<MarkdownContentResult> {
+  const memo = await fetchMemo(slug);
+  if (memo.slug !== slug) {
+    return { kind: "redirect", location: `/memos/${memo.slug}.md` };
+  }
+
+  const config = getSiteConfig();
+  const canonicalUrl = `${config.siteUrl}/memos/${memo.slug}`;
+  const convert = (html: string | null | undefined) =>
+    html ? htmlToMarkdown(html, { baseUrl: config.siteUrl }) : Promise.resolve("");
+
+  const [body, appendix, supporters] = await Promise.all([
+    convert(memo.body),
+    convert(memo.appendix),
+    convert(memo.supporters),
+  ]);
+
+  const keyMessages = memo.keyMessages.length
+    ? "## Key Messages\n\n" + memo.keyMessages.map((m, i) => `${i + 1}. ${m}`).join("\n")
+    : null;
+
+  const authorImage =
+    memo.author.name === "Build Canada"
+      ? "/assets/logos/buildcanada-logo-square.svg"
+      : memo.author.photo;
+
+  const jsonLd = buildGraph(
+    generateOrganizationSchema(config),
+    generateArticleSchema(
+      {
+        title: memo.title,
+        slug: memo.slug,
+        keyMessage1: memo.keyMessage1,
+        seoImage: memo.seoImage,
+        publishedAt: memo.publishedAt ? new Date(memo.publishedAt) : null,
+        createdAt: new Date(memo.createdAt),
+        updatedAt: new Date(memo.updatedAt),
+      },
+      {
+        name: memo.author.name,
+        title: memo.author.title,
+        photo: authorImage,
+        bio: memo.author.bio,
+        websiteUrl: memo.author.websiteUrl,
+        xUrl: memo.author.xUrl,
+        linkedinUrl: memo.author.linkedinUrl,
+      },
+      config,
+    ),
+    generateBreadcrumbSchema(`/memos/${memo.slug}`, memo.title, config.siteUrl),
+  );
+
+  const doc = buildMarkdownDocument({
+    frontmatter: {
+      title: memo.title,
+      description: memo.keyMessage1,
+      image: memo.seoImage,
+      author: memo.author.title ? `${memo.author.name}, ${memo.author.title}` : memo.author.name,
+      published: memo.publishedAt,
+      canonical: canonicalUrl,
+    },
+    sections: [
+      `# ${memo.title}`,
+      keyMessages,
+      body,
+      appendix ? `## Appendix\n\n${appendix}` : null,
+      supporters ? `## Supporters\n\n${supporters}` : null,
+    ],
+    jsonLd,
+  });
+
+  return { kind: "document", doc, canonicalUrl };
+}
+
+export async function postMarkdown(slug: string): Promise<MarkdownContentResult> {
+  const post = await fetchPost(slug);
+  if (post.slug !== slug) {
+    return { kind: "redirect", location: `/posts/${post.slug}.md` };
+  }
+
+  const config = getSiteConfig();
+  const canonicalUrl = `${config.siteUrl}/posts/${post.slug}`;
+  const body = post.body ? await htmlToMarkdown(post.body, { baseUrl: config.siteUrl }) : "";
+
+  const jsonLd = buildGraph(
+    generateOrganizationSchema(config),
+    generateBreadcrumbSchema(`/posts/${post.slug}`, post.title, config.siteUrl),
+  );
+
+  const doc = buildMarkdownDocument({
+    frontmatter: {
+      title: post.title,
+      description: post.summary,
+      image: post.seoImage,
+      published: post.publishedAt,
+      canonical: canonicalUrl,
+    },
+    sections: [
+      `# ${post.title}`,
+      post.summary ? `> ${post.summary.replace(/\n/g, "\n> ")}` : null,
+      body,
+    ],
+    jsonLd,
+  });
+
+  return { kind: "document", doc, canonicalUrl };
+}
+
+export async function builderMarkdown(slug: string): Promise<MarkdownContentResult> {
+  const builder = await fetchBuilder(slug);
+  if (builder.slug !== slug) {
+    return { kind: "redirect", location: `/builders/${builder.slug}.md` };
+  }
+
+  const config = getSiteConfig();
+  const canonicalUrl = `${config.siteUrl}/builders/${builder.slug}`;
+  const body = builder.body ? await htmlToMarkdown(builder.body, { baseUrl: config.siteUrl }) : "";
+
+  const title = builder.tagline ? `${builder.name}: ${builder.tagline}` : builder.name;
+
+  const doc = buildMarkdownDocument({
+    frontmatter: {
+      title,
+      description: builder.quote,
+      image: builder.imageUrl,
+      canonical: canonicalUrl,
+    },
+    sections: [
+      `# ${title}`,
+      builder.quote ? `> "${builder.quote}"` : null,
+      body,
+      builder.author ? `_Written by ${builder.author}_` : null,
+    ],
+  });
+
+  return { kind: "document", doc, canonicalUrl };
+}
+
+export const markdownBuilders: Record<string, MarkdownContentBuilder> = {
+  memos: memoMarkdown,
+  posts: postMarkdown,
+  builders: builderMarkdown,
+};
diff --git a/src/lib/markdown/document.ts b/src/lib/markdown/document.ts
new file mode 100644
index 0000000..abaf921
--- /dev/null
+++ b/src/lib/markdown/document.ts
@@ -0,0 +1,69 @@
+// Assembles the markdown documents served to LLM agents, mirroring the
+// conventions of Cloudflare's "Markdown for Agents": YAML frontmatter,
+// clean body, optional JSON-LD in a fenced block, and an x-markdown-tokens
+// estimate header.
+// https://developers.cloudflare.com/fundamentals/reference/markdown-for-agents/
+
+export interface MarkdownFrontmatter {
+  title: string;
+  description?: string | null;
+  image?: string | null;
+  author?: string | null;
+  published?: string | null;
+  canonical: string;
+}
+
+export interface MarkdownDocument {
+  body: string;
+  tokens: number;
+}
+
+// JSON.stringify produces valid YAML scalars, so titles containing ":" or
+// quotes can't break the frontmatter.
+function frontmatterBlock(fm: MarkdownFrontmatter): string {
+  const lines = ["---"];
+  const push = (key: string, value: string | null | undefined) => {
+    if (value) lines.push(`${key}: ${JSON.stringify(value)}`);
+  };
+  push("title", fm.title);
+  push("description", fm.description);
+  push("image", fm.image);
+  push("author", fm.author);
+  push("published", fm.published);
+  push("canonical", fm.canonical);
+  lines.push("---");
+  return lines.join("\n");
+}
+
+export function buildMarkdownDocument({
+  frontmatter,
+  sections,
+  jsonLd,
+}: {
+  frontmatter: MarkdownFrontmatter;
+  sections: Array<string | null | undefined>;
+  jsonLd?: object;
+}): MarkdownDocument {
+  const parts = [frontmatterBlock(frontmatter), ...sections.filter((s): s is string => Boolean(s?.trim()))];
+  if (jsonLd) {
+    parts.push("---\n\n```json\n" + JSON.stringify(jsonLd, null, 2) + "\n```");
+  }
+  const body = parts.join("\n\n") + "\n";
+  return { body, tokens: Math.ceil(body.length / 4) };
+}
+
+export function markdownResponse(
+  doc: MarkdownDocument,
+  { canonicalUrl }: { canonicalUrl: string },
+): Response {
+  return new Response(doc.body, {
+    headers: {
+      "Content-Type": "text/markdown; charset=utf-8",
+      "x-markdown-tokens": String(doc.tokens),
+      Vary: "Accept",
+      Link: `<${canonicalUrl}>; rel="canonical"`,
+      // The HTML page is the canonical document for search indexes.
+      "X-Robots-Tag": "noindex",
+    },
+  });
+}
diff --git a/src/lib/markdown/html-to-markdown.ts b/src/lib/markdown/html-to-markdown.ts
new file mode 100644
index 0000000..f9c2782
--- /dev/null
+++ b/src/lib/markdown/html-to-markdown.ts
@@ -0,0 +1,42 @@
+import { unified, type Plugin } from "unified";
+import type { Root, Element } from "hast";
+import rehypeParse from "rehype-parse";
+import rehypeRemark from "rehype-remark";
+import remarkGfm from "remark-gfm";
+import remarkStringify from "remark-stringify";
+
+// York Factory bodies reference site-relative assets (/assets/...); markdown
+// consumers fetch documents out of browser context, so links must be absolute.
+const rehypeAbsoluteUrls: Plugin<[{ baseUrl: string }], Root> = ({ baseUrl }) => {
+  const absolutize = (value: unknown): unknown =>
+    typeof value === "string" && value.startsWith("/") && !value.startsWith("//")
+      ? `${baseUrl}${value}`
+      : value;
+
+  const visit = (node: Root | Element) => {
+    if (node.type === "element") {
+      if (node.properties.href) node.properties.href = absolutize(node.properties.href) as string;
+      if (node.properties.src) node.properties.src = absolutize(node.properties.src) as string;
+    }
+    for (const child of node.children) {
+      if (child.type === "element") visit(child);
+    }
+  };
+
+  return visit;
+};
+
+export async function htmlToMarkdown(
+  html: string,
+  opts: { baseUrl: string },
+): Promise<string> {
+  if (!html.trim()) return "";
+  const file = await unified()
+    .use(rehypeParse, { fragment: true })
+    .use(rehypeAbsoluteUrls, { baseUrl: opts.baseUrl })
+    .use(rehypeRemark)
+    .use(remarkGfm)
+    .use(remarkStringify, { bullet: "-", emphasis: "_", rule: "-" })
+    .process(html);
+  return String(file).trim();
+}
diff --git a/src/proxy.ts b/src/proxy.ts
index 7ea3a6c..424582d 100644
--- a/src/proxy.ts
+++ b/src/proxy.ts
@@ -12,13 +12,25 @@ import {
 const FLAG = "dashboard";
 
 // Next 16 allows a single proxy (formerly "middleware") entrypoint, so this file
-// owns two unrelated concerns, dispatched by path:
-//   - /dashboard/*            → gate the section behind the `dashboard` PostHog flag
-//   - /memos/*, /api/auth/me  → silently renew an expired OAuth session
+// owns three unrelated concerns, dispatched by path:
+//   - /dashboard/*                         → gate the section behind the `dashboard` PostHog flag
+//   - /memos/*, /posts/*, /builders/*      → serve markdown to LLM agents (.md suffix or Accept header)
+//   - /memos/*, /api/auth/me               → silently renew an expired OAuth session
 export const config = {
-  matcher: ["/memos/:path*", "/api/auth/me", "/dashboard", "/dashboard/:path*"],
+  matcher: [
+    "/memos/:path*",
+    "/posts/:path*",
+    "/builders/:path*",
+    "/api/auth/me",
+    "/dashboard",
+    "/dashboard/:path*",
+  ],
 };
 
+// Detail pages of these content types have a markdown representation for LLM
+// agents, served by src/app/md/[...path]/route.ts. Single-segment slugs only.
+const MARKDOWN_CONTENT = /^\/(memos|posts|builders)\/([^/]+?)(\.md)?$/;
+
 export async function proxy(req: NextRequest) {
   const { pathname } = req.nextUrl;
 
@@ -26,7 +38,36 @@ export async function proxy(req: NextRequest) {
     return gateDashboard(req);
   }
 
-  return renewSession(req);
+  const markdown = resolveMarkdownRewrite(req);
+  if (markdown) return markdown;
+
+  if (pathname.startsWith("/memos/") || pathname === "/api/auth/me") {
+    return renewSession(req);
+  }
+  return NextResponse.next();
+}
+
+// Rewrites both public markdown shapes to the internal /md route:
+//   /memos/foo.md                                  → /md/memos/foo
+//   /memos/foo + `Accept: text/markdown` header    → /md/memos/foo
+//
+// Caching note: the markdown responses emit `Vary: Accept`, but Next owns the
+// Vary header on HTML page routes and drops any Accept we append (verified on
+// `next start`), so the HTML variant can't advertise the negotiation. In
+// practice this is safe: spec-compliant caches key the markdown responses on
+// Accept, and caches that ignore Vary (e.g. Cloudflare's free tier) don't
+// cache text/html by default. The explicit .md URL is the canonical
+// mechanism; Accept negotiation is best-effort.
+function resolveMarkdownRewrite(req: NextRequest): NextResponse | null {
+  const match = req.nextUrl.pathname.match(MARKDOWN_CONTENT);
+  if (!match) return null;
+
+  const [, type, slug, mdSuffix] = match;
+  const wantsMarkdown =
+    Boolean(mdSuffix) || (req.headers.get("accept") ?? "").includes("text/markdown");
+  if (!wantsMarkdown) return null;
+
+  return NextResponse.rewrite(new URL(`/md/${type}/${slug}`, req.url));
 }
 
 // Gate the entire /dashboard section behind the `dashboard` PostHog flag.