{"name":"tengu_mcp_directory_bff","slug":"tengu-mcp-directory-bff","family":"flag","title":"Feature flags","noun":"feature flag","description":"Default `false`. Chooses the endpoint for the list of official MCP server URLs: when on, `\/api\/directory\/servers` (up to 500 per page, remote servers only); when off, the legacy `\/mcp-registry\/v0\/servers` (`version=latest`, 100 per page). Either way at most 20 pages are fetched.","description_source":"code","described_by":{"bundle":"2.1.286","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.138","removed_in":null,"in_current_build":true,"newest_mined":"2.1.308","builds":149,"mined_builds":149,"first_cited":{"version":"2.1.101","released_at":"2026-04-10 18:41:55","spans":1}},"aliases":[],"entries":[{"version":"2.1.101","anchor":"mcp-directory-bff-in-development","heading":"MCP Directory BFF [In Development]","line":null,"released_at":"2026-04-10 18:41:55","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_mcp_directory_visibility","slug":"tengu-mcp-directory-visibility","description":"Default `[\"commercial\", \"gsuite\", \"enterprise\", \"health\"]`. Visibility values sent, comma-joined, as the `visibility` parameter when fetching the official MCP server directory. A non-array or an array with a non-string entry uses the default; empty strings are dropped, and an empty result skips the fetch and leaves the official URL set empty."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-mcp-directory-bff","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}