{"name":"CLAUDE_CODE_MODEL_CAPABILITIES","slug":"claude-code-model-capabilities","family":"env","title":"Environment variables","noun":"environment variable","description":"A new CLAUDE_CODE_MODEL_CAPABILITIES env var lets you manually force model capability flags on or off","description_source":"entry","described_by":{"version":"2.1.267","anchor":"new-claude-code-model-capabilities-env-var-to-override-model"},"presence":{"first_seen":"2.1.268","removed_in":null,"in_current_build":true,"newest_mined":"2.1.319","builds":48,"mined_builds":159,"first_cited":{"version":"2.1.267","released_at":"2026-09-09 18:25:42","spans":1}},"aliases":[],"entries":[{"version":"2.1.268","anchor":"new-env-vars-added-to-passthroughallow-list","heading":"New env vars added to passthrough\/allow list","line":"Four more environment variables are now recognized and passed through by Claude Code","released_at":"2026-09-10 18:41:11","reason":"found in this entry's text"},{"version":"2.1.267","anchor":"new-claude-code-model-capabilities-env-var-to-override-model","heading":"New CLAUDE_CODE_MODEL_CAPABILITIES env var to override model capability flags","line":"A new CLAUDE_CODE_MODEL_CAPABILITIES env var lets you manually force model capability flags on or off","released_at":"2026-09-09 18:25:42","reason":"found in this entry's text"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"CLAUDE_CODE_MODEL_CATALOG","slug":"claude-code-model-catalog","description":"The remote switch for the model catalog now has separate settings for serving and publishing it, and still falls back to off"},{"name":"CLAUDE_CODE_MODEL_CATALOG_URL","slug":"claude-code-model-catalog-url","description":"The model list, aliases and defaults can now come from a signed remote catalog document rather than only from app releases."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-model-capabilities","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}