{"name":"tengu_peppy_riddle","slug":"tengu-peppy-riddle","family":"flag","title":"Feature flags","noun":"feature flag","description":"A check that matched MCP servers against a remote list can now read a single on\/off switch instead, depending on how it is called","description_source":"entry","described_by":{"version":"2.1.300","anchor":"mcp-server-allowlist-check-can-use-a-new-flag-tengu-peppy-ri"},"presence":{"first_seen":"2.1.300","removed_in":"2.1.305","in_current_build":false,"newest_mined":"2.1.308","builds":5,"mined_builds":149,"first_cited":{"version":"2.1.300","released_at":"2026-10-14 14:27:26","spans":1}},"aliases":[],"entries":[{"version":"2.1.300","anchor":"mcp-server-allowlist-check-can-use-a-new-flag-tengu-peppy-ri","heading":"An MCP server list check can now be answered by a single on\/off switch","line":"A check that matched MCP servers against a remote list can now read a single on\/off switch instead, depending on how it is called","released_at":"2026-10-14 14:27:26","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[{"version":"2.1.300","state":"on-in-practice","account":true,"baseline":true,"code_default":false}],"related":[{"name":"tengu_peppy_zephyr","slug":"tengu-peppy-zephyr","description":"Tool token counts for context analysis can come from the server instead of local estimates, but the gate is off."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-peppy-riddle","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}