{"name":"--mcp-debug","slug":"mcp-debug","family":"cli","title":"CLI flags","noun":"CLI flag","description":null,"description_source":"none","described_by":null,"presence":{"first_seen":"2.1.138","removed_in":"2.1.193","in_current_build":false,"newest_mined":"2.1.308","builds":46,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.193","anchor":"bug-fixes","heading":"","line":null,"released_at":"2026-06-25 19:05:08","reason":"found in this entry's text"},{"version":"1.0.8","anchor":"debug-logging","heading":"Debug Logging","line":null,"released_at":"2025-06-02 16:16:32","reason":"found in this entry's text"},{"version":"0.2.41","anchor":"new-features","heading":"New Features","line":null,"released_at":"2025-03-14 01:34:42","reason":"found in this entry's text"},{"version":"0.2.31","anchor":"new-features","heading":"New Features","line":null,"released_at":"2025-03-05 17:48:20","reason":"found in this entry's text"}],"entries_total":4,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"--mcp-config","slug":"mcp-config","description":"Load MCP servers from JSON files or strings (space-separated). When you pass this flag with `-p`, Claude Code waits for still-pending servers to connect before running the first turn, up to the [`MCP_TIMEOUT`](\/docs\/en\/env-vars) startup timeout, 30 seconds by default; a server with a [cached tool list](\/docs\/en\/mcp#managing-your-servers) skips the wait and connects on first use. The wait requires Claude Code v2.1.221 or later"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/cli\/mcp-debug","family_url":"https:\/\/changelogs.core-directive.com\/reference\/cli.json"}