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latestOpenAPI 3.1.0raw.githubusercontent.com2026-08-12120326620.8 KB

chat

Submit Agent Session Tool Outputs

Persist resolved client tool outputs for the session's open turn.

post/v1/agent_sessions/{session_id}/tool_outputs

session_idstring required

lastMessageIdstring required

The trailing assistant message's id. On mismatch the submission is rejected with HTTP 409 and code agent_session_messages_stale.

Successful Response