Agent spawn tool results now include an explicit advisory telling Claude not to quote or paste the internal metadata (agent ID, task ID) into user-facing replies.
Details
- Async agent spawn:
"(This tool result is internal metadata — never quote or paste any part of it, including the agentId below, into a user-facing reply.)" - Cloud agent spawn: same advisory for taskId
- Local spawn: same advisory for agent_id
- Prevents Claude from accidentally exposing internal session identifiers to users
Evidence
Updated spawn result strings (search for "This tool result is internal metadata — never quote or paste any part of it")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.