diff --git a/src/ClaudeDo.Worker/CLAUDE.md b/src/ClaudeDo.Worker/CLAUDE.md
index 6ced993..3c1e873 100644
--- a/src/ClaudeDo.Worker/CLAUDE.md
+++ b/src/ClaudeDo.Worker/CLAUDE.md
@@ -10,6 +10,7 @@ ASP.NET Core hosted service that executes tasks via Claude CLI in isolated envir
   - Override slot: immediate execution via `RunNow(taskId)`
   - Wake signaling via `SemaphoreSlim`, backstop timer (30s default)
 - **StaleTaskRecovery** — startup-only service, flips orphaned "running" tasks to "failed"
+- **External/ExternalMcpService** — always-on MCP tools for general Claude sessions: `ListTaskLists`, `ListTasks`, `GetTask`, `AddTask` (with tags), `UpdateTask`, `UpdateTaskStatus`, `SetTaskTags`, `ListTags`, `DeleteTask`, `RunTaskNow`, `CancelTask`. Auth via optional `X-ClaudeDo-Key` header.
 
 ## Task Execution Pipeline