{"version":"2.1.219","anchor":"skill-usage-stats-surface-expanded","canonical_anchor":"skill-usage-stats-surface-expanded","heading":"Skill usage stats surface expanded","tier":"soon","area":"Plugins","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.219\/e\/skill-usage-stats-surface-expanded","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.219","markdown":"### Skill usage stats surface expanded\n\nA skills stats tab can report unused skills, and \/skill-doctor gains a version that works without an interactive UI.\n\n**What**\n\nThe Stats tab in the `\/plugin` dialog now receives the context it needs to report unused skills, and a non-interactive variant of `\/skill-doctor` is registered.\n\n**Details**\n\n- the tab is handed a `getSkillStatsInputs` callback supplying commands, MCP commands and clients, agent id, main-loop model and permission mode\n- rendering the tab without that callback throws \"Stats tab rendered without getSkillStatsInputs\"\n- a second `\/skill-doctor` command variant is registered alongside the existing JSX one, marked `supportsNonInteractive` and dispatching after text\n- still behind `tengu_lantern_prism` (fallback false) or the `CLAUDE_CODE_LANTERN_PRISM` environment variable\n\n**Evidence**\n\n`Show which loaded skills are unused and costing context`\n\n- Flag `tengu_lantern_prism`: Off by default, switched on for this account (read for one account on one subscription tier against v2.1.219; this account: on, anonymous baseline: on, compiled default: off) These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.\n- Area: Plugins\n- Names: `\/skill-doctor`, `\/plugin`, `CLAUDE_CODE_LANTERN_PRISM`\n- Tier: Nothing to try yet\n- Useful: 3\/5\n- Signal: 4\/5\n- Present in the build but not switched on"}