{"version":"1.0.89","anchor":"debug-output-filtering","canonical_anchor":"debug-output-filtering","heading":"Debug Output Filtering","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/1.0.89\/e\/debug-output-filtering","release_url":"https:\/\/changelogs.core-directive.com\/v\/1.0.89","markdown":"### Debug Output Filtering\n\n**What:** Filter debug messages by category using `--debug=pattern` syntax **How to use:**\n\n`# Show only MCP-related debug messages claude --debug=mcp <command> # Show all debug messages except verbose ones claude --debug=!verbose <command> # Show multiple specific categories claude --debug=mcp,server1,api <command>` **Details:**\n\n- Supports both include patterns (show only these) and exclude patterns with `!` prefix (hide these)\n- Automatically categorizes messages based on prefixes, MCP server names, and other patterns\n- Cannot mix include and exclude patterns in the same filter\n- Helps reduce noise when debugging specific components"}