Monitoring · Developer Tools

MCP Fixer

kajdep/mcp-fixer

A comprehensive diagnostic and repair tool for Model Context Protocol (MCP) servers in Claude Desktop. Automatically detects, diagnoses, and fixes common MCP configuration issues.

Install

npx @kajdep/mcp-fixer install
Author
@kajdep
Category
Monitoring, Developer Tools
License
MIT
Updated
Oct 6, 2026

Features

  • Configuration Analysis - Validates JSON syntax, paths, and server settings

  • Server Status Monitoring - Real-time health checks for individual MCP servers

  • Dependency Validation - Ensures Node.js, npm, Python, UV are properly installed

  • Port Conflict Detection - Identifies network conflicts on common MCP ports

  • Automatic Syntax Fixing - Repairs JSON errors with automatic backup creation

  • Log File Analysis - Parses MCP logs for error patterns and insights

  • Smart Suggestions - Provides targeted fix recommendations

  • Safety First - Creates backups before any modifications

Tools (7)

  • diagnose_mcp_config

    Comprehensive configuration analysis

  • check_mcp_server_status

    Individual server health checks

  • fix_config_syntax

    Automatic JSON syntax repair

  • validate_dependencies

    System dependency verification

  • check_port_conflicts

    Port availability scanning

  • generate_diagnostic_report

    Complete system analysis

  • suggest_fixes

    Targeted solution recommendations

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

View all
Claude Desktop logo

Claude Desktop

Desktop · Freemium · Proprietary

Anthropic's official Claude AI desktop application. Supports MCP servers to extend functionality.

WindowsMacOS

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