{"name":"isDeferred","slug":"isdeferred","family":"setting","title":"Settings keys","noun":"settings key","description":"Context-usage accounting now splits deferred MCP and system tool buckets more precisely.","description_source":"entry","described_by":{"version":"2.1.260","anchor":"context-window-breakdown-now-separates-system-tools-deferr"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.295","builds":0,"mined_builds":138,"first_cited":{"version":"2.1.271","released_at":"2026-09-14 19:45:19","spans":4}},"aliases":[],"entries":[{"version":"2.1.293","anchor":"mods-can-register-deferred-tools","heading":"Mods can register tools that load only when needed","line":"Tools registered by a mod with `$.tool.register` can now be marked as deferred with an `isDeferred` true or false option","released_at":"2026-10-07 17:18:04","reason":"named in this entry, found in this entry's text"},{"version":"2.1.293","anchor":"toolregister-accepts-isdeferred","heading":"Plugins can mark the tools they register as deferred","line":"A tool registered by a plugin through `$.tool.register` can now carry `isDeferred`, which must be true or false","released_at":"2026-10-07 17:18:04","reason":"named in this entry, found in this entry's text"},{"version":"2.1.271","anchor":"context-data-now-exposes-deferredloaded-flags-and-richer-b","heading":"\/context data now exposes deferred\/loaded flags and richer breakdown","line":"\/context data sent to plugins now includes deferred and loaded status flags plus a richer breakdown","released_at":"2026-09-14 19:45:19","reason":"found in this entry's text"},{"version":"2.1.260","anchor":"context-window-breakdown-now-separates-system-tools-deferr","heading":"Context-window breakdown now separates 'System tools (deferred)' bucket sizing more precisely","line":"Context-usage accounting now splits deferred MCP and system tool buckets more precisely.","released_at":"2026-09-03 22:32:02","reason":"found in this entry's text"}],"entries_total":4,"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":"changelog","title":"Claude Code changelog","documented":false},{"source":"claude-code","path":"plugins\/mods\/api","title":"Use the mods API","documented":false},{"source":"claude-code","path":"plugins\/mods\/reference","title":"Mods reference","documented":false}],"docs_total":5,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/setting\/isdeferred","family_url":"https:\/\/changelogs.core-directive.com\/reference\/setting.json"}