{"name":"backgrounding","slug":"backgrounding","family":"setting","title":"Settings keys","noun":"settings key","description":"Tools now declare a backgrounding policy; most tools opt out of running in the background","description_source":"entry","described_by":{"version":"2.1.277","anchor":"new-per-tool-backgrounding-policy-field-most-tools-opt-ou"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.319","builds":0,"mined_builds":159,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.277","anchor":"new-per-tool-backgrounding-policy-field-most-tools-opt-ou","heading":"New per-tool \"backgrounding\" policy field, most tools opt out","line":"Tools now declare a backgrounding policy; most tools opt out of running in the background","released_at":"2026-09-18 16:22:26","reason":"named in this entry, found in this entry's text"},{"version":"2.1.277","anchor":"new-tool-backgrounding-field-controls-detachselfnever-ex","heading":"New tool backgrounding field controls detach\/self\/never execution mode","line":"Tools gain a `backgrounding` setting controlling whether they can keep running in the background","released_at":"2026-09-18 16:22:26","reason":"named in this entry, found in this entry's text"},{"version":"2.1.277","anchor":"per-tool-backgrounding-classification-rolled-out-across-ne","heading":"Per-tool 'backgrounding' classification rolled out across nearly all built-in tools","line":"Nearly every built-in tool now carries a 'backgrounding' classification of never, self, or detach","released_at":"2026-09-18 16:22:26","reason":"named in this entry, found in this entry's text"}],"entries_total":3,"docs":[{"source":"claude-code","path":"agent-sdk\/python","title":"Agent SDK reference - Python","documented":false},{"source":"claude-code","path":"agent-sdk\/typescript","title":"Agent SDK reference - TypeScript","documented":false},{"source":"claude-code","path":"agent-view","title":"Manage multiple agents with agent view","documented":false},{"source":"claude-code","path":"changelog","title":"Claude Code changelog","documented":false},{"source":"claude-code","path":"env-vars","title":"Environment variables","documented":false},{"source":"claude-code","path":"headless","title":"Run Claude Code programmatically","documented":false},{"source":"claude-code","path":"hooks","title":"Hooks reference","documented":false},{"source":"claude-code","path":"interactive-mode","title":"Interactive mode","documented":false},{"source":"claude-code","path":"mcp","title":"Connect Claude Code to tools via MCP","documented":false},{"source":"claude-code","path":"scheduled-tasks","title":"Run prompts on a schedule","documented":false}],"docs_total":12,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/setting\/backgrounding","family_url":"https:\/\/changelogs.core-directive.com\/reference\/setting.json"}