{"name":"traceparent","slug":"traceparent","family":"setting","title":"Settings keys","noun":"settings key","description":"Telemetry spans can now join a trace that was started by whatever called in.","description_source":"entry","described_by":{"version":"2.1.239","anchor":"trace-context-can-be-picked-up-from-an-incoming-request"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.308","builds":0,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.239","anchor":"trace-context-can-be-picked-up-from-an-incoming-request","heading":"Trace context can be picked up from an incoming request","line":"Telemetry spans can now join a trace that was started by whatever called in.","released_at":"2026-08-21 17:18:54","reason":"found in this entry's text"},{"version":"2.1.239","anchor":"deferred-tool-calls-carry-trace-context-to-hooks","heading":"Deferred tool calls carry trace context to hooks","line":"Deferred tool-call notifications now carry a traceparent so hook consumers can correlate them.","released_at":"2026-08-21 17:18:54","reason":"named in this entry, found in this entry's text"}],"entries_total":2,"docs":[{"source":"api","path":"api\/opentelemetry\/spans","title":"spans","documented":false},{"source":"api","path":"manage-claude\/opentelemetry","title":"opentelemetry","documented":false},{"source":"api","path":"manage-claude\/opentelemetry\/api","title":"api","documented":false},{"source":"api","path":"manage-claude\/opentelemetry\/sdk","title":"sdk","documented":false},{"source":"claude-code","path":"agent-sdk\/observability","title":"Observability with OpenTelemetry","documented":false},{"source":"claude-code","path":"monitoring-usage","title":"Monitoring","documented":false},{"source":"mcp","path":"seps\/414-request-meta","title":"SEP-414: Document OpenTelemetry Trace Context Propagation Conventions","documented":false},{"source":"mcp","path":"specification\/2026-07-28\/basic\/index","title":"Overview","documented":false},{"source":"mcp","path":"specification\/2026-07-28\/changelog","title":"Key Changes","documented":false},{"source":"mcp","path":"specification\/draft\/basic\/index","title":"Overview","documented":false}],"docs_total":10,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/setting\/traceparent","family_url":"https:\/\/changelogs.core-directive.com\/reference\/setting.json"}