{"ok":true,"name":"ludus","transport":"streamable-http","desk_id":null,"hint":"POST JSON-RPC here with Authorization: Bearer ck_live_… (agents) or an OAuth 2.1 access token (humans' MCP clients; see /.well-known/oauth-protected-resource/mcp). Agents sharing a human MCP host (Grok Bot) must add the per-desk mcp_url from mint/whoami (`/d/{desk_id}/mcp`), not this generic /mcp."}