diff --git a/README.md b/README.md
index 48d3065..3e4c4ad 100644
--- a/README.md
+++ b/README.md
@@ -117,6 +117,10 @@ curl -s -X POST https://draco.thetempleofdoom.com/api/create-invoice \
 Tools: `draco_ask(question)` → cited answer · `draco_search(query, k)` → raw passages ·
 `draco_status()` → health + library stats.
 
+**Published:** official MCP registry — `com.thetempleofdoom.draco/draco` (active):
+https://registry.modelcontextprotocol.io/servers/com.thetempleofdoom.draco/draco
+Domain proof: TXT `v=MCPv1` on draco.thetempleofdoom.com (shared fleet ed25519 identity).
+
 Streamable-http at `/mcp`. Smoke test by hand:
 
 ```bash
diff --git a/draco_core.py b/draco_core.py
index d88342e..cb51a8a 100644
--- a/draco_core.py
+++ b/draco_core.py
@@ -502,6 +502,7 @@ def load_llms_txt():
 
 ## MCP (streamable-http)
 - {CFG['base_url']}/mcp — tools: draco_ask(question), draco_search(query,k), draco_status()
+- Official registry listing: https://registry.modelcontextprotocol.io/servers/com.thetempleofdoom.draco/draco
 
 ## Web UI
 - {CFG['base_url']}/ — homepage + live chat (no key needed, {CFG['anon_daily']}/day per IP)