{"version":"2.1.323","anchor":"skill-tool-carries-a-registry-tool-id","canonical_anchor":"skill-tool-carries-a-registry-tool-id","heading":"The Skill tool now carries a fixed registry ID, and its description was reworded","tier":"internal","area":"Skills","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.323\/e\/skill-tool-carries-a-registry-tool-id","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.323","markdown":"### The Skill tool now carries a fixed registry ID, and its description was reworded\n\nThe Skill tool now includes a fixed registry ID, and the description Claude reads for it was reworded in this release\n\n**What**\n\nSkills are packaged instruction sets for particular tasks, and Claude uses the Skill tool to run them. That tool's definition now includes a `registryToolId` field. The field holds a fixed identifier that is the same for everyone.\n\nThe description Claude reads to learn what the Skill tool does was also reworded in this release.\n\n**Why**\n\nThe Skill tool now has a stable ID. A tool registry, a shared catalogue of tools, can use that ID to look it up.\n\n- Area: Skills\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 3\/5\n- Scope: individual\n- Heads-up: no"}