{"name":"tengu_omelette_whisk","slug":"tengu-omelette-whisk","family":"flag","title":"Feature flags","noun":"feature flag","description":"Default `false`. On the first-party API provider, adds the built-in `claude_design` MCP server (HTTP, `https:\/\/api.anthropic.com\/v1\/design\/mcp`) to the dynamic MCP servers. The env var `CLAUDE_CODE_ENABLE_DESIGN_MCP` takes precedence over this flag when it is set.","description_source":"code","described_by":{"bundle":"2.1.205","author":"claude-opus-5-5"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.308","builds":0,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.179","anchor":"claude-design-mcp-integration-gradual-rollout","heading":"Claude Design MCP Integration [Gradual Rollout]","line":null,"released_at":"2026-06-16 17:51:27","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_omelette_fouet","slug":"tengu-omelette-fouet","description":"A startup tip pointing at a `\/design` command for mocking up UI is present but nobody sees it."},{"name":"tengu_omelette_grant_watch","slug":"tengu-omelette-grant-watch","description":"Default `false`. When `true`, while Claude Code is asking you to approve the first write under a Claude Design project grant, it polls `\/v1\/design\/grants` and, when a grant for that project newer than the one it first saw appears (for example one approved on claude.ai), records it so the pending prompt can resolve without an answer in the terminal. When off, no such watcher runs."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-omelette-whisk","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}