{"name":"tengu_mcp_local_oauth_blocked_hosts","slug":"tengu-mcp-local-oauth-blocked-hosts","family":"flag","title":"Feature flags","noun":"feature flag","description":"Default `{\"hosts\": [\"microsoft365.mcp.claude.com\", \"gmail.mcp.claude.com\", \"gcal.mcp.claude.com\"]}`. An `http` or `sse` MCP server whose URL host (lowercased, trailing dot removed) is in `hosts` is classified as Anthropic-hosted for authentication, with a message that it `doesn't support local OAuth` and should be connected under Settings, Connectors on claude.ai. A missing or non-array `hosts`, or one with no string entries, uses the default list.","description_source":"code","described_by":{"bundle":"2.1.286","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.162","removed_in":null,"in_current_build":true,"newest_mined":"2.1.308","builds":127,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[],"entries_total":0,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_mcp_auto_background","slug":"tengu-mcp-auto-background","description":"Default `true`. When on, an MCP tool call still running after 120 seconds is moved into a background task so the conversation can continue, and Claude is notified when it finishes; when off, MCP calls are not moved to the background at all. IDE servers (`sse-ide`, `ws-ide`) and subagent calls are never moved, the 120-second move needs `CLAUDE_AUTO_BACKGROUND_TASKS` in non-interactive sessions (which otherwise can only move a call when a new message arrives), and `CLAUDE_CODE_MCP_AUTO_BACKGROUND_MS` replaces the delay and the flag."},{"name":"tengu_mcp_ccr_prefetch","slug":"tengu-mcp-ccr-prefetch","description":null},{"name":"tengu_mcp_cgroup","slug":"tengu-mcp-cgroup","description":"On Linux you can force MCP servers into their own memory cgroup with an environment variable."},{"name":"tengu_mcp_claudeai_eligibility_gate","slug":"tengu-mcp-claudeai-eligibility-gate","description":"Default `false`. When on, a claude.ai connector (`claudeai-proxy` MCP server) whose config has `eligible: false` is not connected and is reported as `needs-auth`."},{"name":"tengu_mcp_claudeai_proxy_401","slug":"tengu-mcp-claudeai-proxy-401","description":"MCP proxy 401 telemetry now sanitizes the error code before logging it"},{"name":"tengu_mcp_cli_command_executed","slug":"tengu-mcp-cli-command-executed","description":null},{"name":"tengu_mcp_connect_suspend_redial","slug":"tengu-mcp-connect-suspend-redial","description":"If an MCP server connection fails because the computer slept or its clock jumped, Claude Code says so and tries connecting again a limited number of times"},{"name":"tengu_mcp_connect_timeout_retry","slug":"tengu-mcp-connect-timeout-retry","description":"MCP connect timeouts now respect the global timeout and get retried instead of failing."},{"name":"tengu_mcp_degraded","slug":"tengu-mcp-degraded","description":"MCP events are forwarded for logging with identifying fields stripped, and skipped entirely if analytics are off."},{"name":"tengu_mcp_delete","slug":"tengu-mcp-delete","description":"MCP CLI commands now hash server names in telemetry instead of sending them raw."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-mcp-local-oauth-blocked-hosts","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}