{"name":"agentId","slug":"agentid","family":"setting","title":"Settings keys","noun":"settings key","description":"TaskOutput ignores the old wait_up_to setting and just uses the 30 second default timeout.","description_source":"entry","described_by":{"version":"2.1.221","anchor":"taskoutput-no-longer-honours-the-legacy-wait-up-to-parameter"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.319","builds":0,"mined_builds":159,"first_cited":{"version":"2.1.179","released_at":"2026-06-16 17:51:27","spans":20}},"aliases":[],"entries":[{"version":"2.1.301","anchor":"diskless-session-transcript-writes-drop-entries-explicitly-a","heading":"Sessions without local disk storage drop transcript entries instead of writing them","line":"In sessions with no local disk, transcript entries with nowhere to go are now dropped with an error, and metadata folders are no longer created","released_at":"2026-10-15 14:34:23","reason":"found in this entry's text"},{"version":"2.1.280","anchor":"pluginsdk-host-api-new-sessionsend-operation","heading":"Plugin\/SDK host API: new $.session.send operation","line":"Plugins and SDK integrations gain a session.send call to message a target by name, agent id, or session\/agent address","released_at":"2026-09-22 15:44:39","reason":"found in this entry's text"},{"version":"2.1.280","anchor":"plugin-sessionmessages-and-sessionusage-now-accept","heading":"Plugin $.session.messages and $.session.usage now accept an agentId\/as parameter","line":"Plugin session.messages and session.send can now target a specific agent via an agentId\/as parameter","released_at":"2026-09-22 15:44:39","reason":"found in this entry's text, named in this entry"},{"version":"2.1.280","anchor":"sdk-tool-result-streaming-can-attach-agentiddurationms-for","heading":"SDK tool-result streaming can attach agentId\/durationMs for Task-like tools","line":"Streamed tool results for the Task tool can now include an agent ID and duration","released_at":"2026-09-22 15:44:39","reason":"found in this entry's text, named in this entry"},{"version":"2.1.280","anchor":"task-delegation-now-carries-usage-stats-forward","heading":"Task delegation now carries usage stats forward","line":"Sub-task handoff now carries forward token, tool-use, and duration stats","released_at":"2026-09-22 15:44:39","reason":"found in this entry's text"},{"version":"2.1.277","anchor":"a-tool-input-schema-case-c4-was-removed-from-a-validator","heading":"A tool-input schema case (C4) was removed from a validator","line":"A tool-input validation case for task_id\/agentId\/bash_id fields was removed from a validator","released_at":"2026-09-18 16:22:26","reason":"found in this entry's text"},{"version":"2.1.275","anchor":"coordinator-bash-safety-restriction-exists-but-is-compiled-o","heading":"Coordinator Bash safety restriction exists but is compiled off","line":"A safety check that would block risky Bash calls from a coordinator agent exists in the code but is turned off","released_at":"2026-09-17 20:20:31","reason":"found in this entry's text"},{"version":"2.1.273","anchor":"tool-execution-hook-context-object-substantially-reworked","heading":"Tool-execution hook context object substantially reworked","line":"The context object passed to tool-execution hooks was substantially reworked with many new fields","released_at":"2026-09-15 18:06:34","reason":"found in this entry's text"},{"version":"2.1.271","anchor":"hooks-execution-now-tracks-a-live-per-host-list-of-running-h","heading":"Hooks execution now tracks a live per-host list of running hooks","line":"Claude Code now tracks a live list of running hooks per host, with an agent ID threaded through","released_at":"2026-09-14 19:45:19","reason":"found in this entry's text"},{"version":"2.1.271","anchor":"turnstep-plugin-hook-events-now-carry-an-agentid","heading":"turn.step plugin hook events now carry an agentId","line":"The turn.step hook event now includes an agentId field","released_at":"2026-09-14 19:45:19","reason":"found in this entry's text"}],"entries_total":25,"docs":[{"source":"api","path":"managed-agents\/dreams","title":"dreams","documented":false},{"source":"api","path":"managed-agents\/session-operations","title":"session-operations","documented":false},{"source":"claude-code","path":"agent-sdk\/python","title":"Agent SDK reference - Python","documented":false},{"source":"claude-code","path":"agent-sdk\/subagents","title":"Subagents in the SDK","documented":false},{"source":"claude-code","path":"agent-sdk\/typescript","title":"Agent SDK reference - TypeScript","documented":false},{"source":"claude-code","path":"changelog","title":"Claude Code changelog","documented":false},{"source":"claude-code","path":"hooks","title":"Hooks reference","documented":false},{"source":"claude-code","path":"plugins\/mods\/api","title":"Use the mods API","documented":false},{"source":"claude-code","path":"plugins\/mods\/events","title":"React to events with a mod","documented":false},{"source":"claude-code","path":"plugins\/mods\/reference","title":"Mods reference","documented":false}],"docs_total":11,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/setting\/agentid","family_url":"https:\/\/changelogs.core-directive.com\/reference\/setting.json"}