{"name":"tengu_russet_linnet","slug":"tengu-russet-linnet","family":"flag","title":"Feature flags","noun":"feature flag","description":"Default `false`. When on, the `Skill` tool's prompt uses the shorter `Invoke a skill.` text in place of the default `Execute a skill within the main conversation` text. Setting `CLAUDE_CODE_SKILL_DESC_REFRAME` to true turns this on regardless of the flag.","description_source":"code","described_by":{"bundle":"2.1.215","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.196","removed_in":"2.1.216","in_current_build":false,"newest_mined":"2.1.309","builds":20,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.196","anchor":"skill-tool-description-a-b-test","heading":"Skill Tool Description A\/B Test","line":null,"released_at":"2026-06-29 20:08:58","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[{"version":"2.1.196","state":"unknown","account":null,"baseline":null,"code_default":false}],"related":[{"name":"tengu_russet_pergola","slug":"tengu-russet-pergola","description":"A productivity-skills switch is named in the artifact code but nothing reads it."},{"name":"tengu_russet_plover","slug":"tengu-russet-plover","description":"Artifact syntax highlighting and mermaid diagrams are now always on; three other gates were renamed and stay off."},{"name":"tengu_russet_whimbrel","slug":"tengu-russet-whimbrel","description":null}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-russet-linnet","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}