{"name":"tengu_mcp_listen_server_denylist","slug":"tengu-mcp-listen-server-denylist","family":"flag","title":"Feature flags","noun":"feature flag","description":"Remote config can force legacy MCP handshakes or suppress listening for named servers, matched by hostname.","description_source":"entry","described_by":{"version":"2.1.234","anchor":"mcp-protocol-negotiation-can-be-disabled-per-server-from-rem"},"presence":{"first_seen":"2.1.259","removed_in":"2.1.260","in_current_build":false,"newest_mined":"2.1.309","builds":1,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.234","anchor":"mcp-protocol-negotiation-can-be-disabled-per-server-from-rem","heading":"MCP protocol negotiation can be disabled per server from remote config","line":"Remote config can force legacy MCP handshakes or suppress listening for named servers, matched by hostname.","released_at":"2026-08-17 18:19:13","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_mcp_listen_reopen","slug":"tengu-mcp-listen-reopen","description":"MCP notification streams now reconnect after a server drop or redeploy instead of silently going dead."},{"name":"tengu_mcp_listen_reopen_park","slug":"tengu-mcp-listen-reopen-park","description":"A flaky MCP server that keeps dropping event streams now gets a pause instead of endless instant reconnects."},{"name":"tengu_mcp_listen_reopen_park_tuning","slug":"tengu-mcp-listen-reopen-park-tuning","description":"A flaky MCP server that keeps dropping event streams now gets a pause instead of endless instant reconnects."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-mcp-listen-server-denylist","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}