diff --git a/.well-known/mcp.json b/.well-known/mcp.json
new file mode 100644
index 0000000..58d5774
--- /dev/null
+++ b/.well-known/mcp.json
@@ -0,0 +1,36 @@
+{
+  "name": "getbased",
+  "description": "MCP server that exposes your getbased health data — blood work context, biomarker sections, and an optional RAG knowledge base — as tools for any MCP-compatible agent. Your data stays on your device; the server reads a read-only context summary, not raw records.",
+  "version": "0.2.0",
+  "transport": "stdio",
+  "hosting": "local",
+  "homepage": "https://getbased.health",
+  "documentation": "https://app.getbased.health/docs/guide/agent-access",
+  "repository": "https://github.com/elkimek/getbased-agents/tree/main/packages/mcp",
+  "license": "GPL-3.0-only",
+  "install": {
+    "pypi": "getbased-mcp",
+    "command": "getbased-mcp",
+    "bundle": {
+      "package": "getbased-agent-stack",
+      "repository": "https://github.com/elkimek/getbased-agents/tree/main/packages/stack",
+      "description": "Meta-package that bundles the MCP server with the RAG backend and example Claude Code / Hermes / OpenClaw configs."
+    }
+  },
+  "authentication": {
+    "type": "token",
+    "env": "GETBASED_TOKEN",
+    "description": "Read-only token generated in the getbased app under Settings > Data > Messenger Access. Grants access to lab-context text only — no raw data, no write access. Revocable at any time by regenerating the token."
+  },
+  "gateway": "https://sync.getbased.health",
+  "tools": [
+    { "name": "getbased_lab_context", "description": "Full lab summary — biomarkers, ranges, trends, context cards, supplements, goals. Pass a profile to target a specific profile." },
+    { "name": "getbased_section", "description": "Get a specific section (e.g. hormones, lipids) or list all available sections. Token-efficient alternative to the full dump." },
+    { "name": "getbased_list_profiles", "description": "List available profiles by name and ID." },
+    { "name": "knowledge_search", "description": "Semantic search across the active library of your RAG knowledge base. Requires the getbased-rag server; degrades gracefully if unavailable." },
+    { "name": "knowledge_list_libraries", "description": "List all knowledge-base libraries and show which is active." },
+    { "name": "knowledge_activate_library", "description": "Switch the active knowledge-base library for subsequent searches." },
+    { "name": "knowledge_stats", "description": "Per-source chunk counts for the active library — useful for diagnosing missing results." },
+    { "name": "getbased_lens_config", "description": "Show the Custom Knowledge Source endpoint configuration used by the getbased app." }
+  ]
+}
diff --git a/robots.txt b/robots.txt
index 5def0c7..98141c2 100644
--- a/robots.txt
+++ b/robots.txt
@@ -1,6 +1,9 @@
 # getbased.health robots.txt
 
+# Content Signals — open-source project, all uses welcome
+# search: appear in search results | ai-input: ground AI answers (RAG) | ai-train: train AI models
 User-agent: *
+Content-Signal: search=yes, ai-input=yes, ai-train=yes
 Allow: /
 Disallow: /thank-you
 Disallow: /blog-template
diff --git a/vercel.json b/vercel.json
index 61c6efa..a78d15e 100644
--- a/vercel.json
+++ b/vercel.json
@@ -11,6 +11,10 @@
           "key": "Content-Security-Policy",
           "value": "default-src 'self'; script-src 'self' 'unsafe-inline' https://umami-iota-olive.vercel.app; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; connect-src 'self' https://api.github.com https://umami-iota-olive.vercel.app; img-src 'self' data:; frame-src 'none'; object-src 'none'; base-uri 'self'"
         },
+        {
+          "key": "Link",
+          "value": "</llms.txt>; rel=\"alternate\"; type=\"text/plain\"; title=\"llms.txt\", </.well-known/mcp.json>; rel=\"service-desc\"; type=\"application/json\"; title=\"MCP server card\""
+        },
         { "key": "X-Content-Type-Options", "value": "nosniff" },
         { "key": "X-Frame-Options", "value": "DENY" },
         { "key": "Referrer-Policy", "value": "strict-origin-when-cross-origin" },