Claude Code Troubleshooting & Debugger

Provides troubleshooting and debugging for Claude Code environments via /doctor command and diagnostic workflows.

18|2|Updated Dec 12, 2025
One-click install
npx skills add https://github.com/markus41/claude --skill claude-code-troubleshooting-debugger
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Claude Code Troubleshooting & Debugger
Source: https://github.com/markus41/claude/tree/main/plugins/claude-code-expert/skills/troubleshooting
Command: npx skills add https://github.com/markus41/claude --skill claude-code-troubleshooting-debugger

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a comprehensive guide to diagnosing, debugging, and resolving common setup and runtime issues encountered with Claude Code, ensuring smooth operation and efficient problem-solving.

Core Features & Use Cases

  • Automated Diagnostics: Utilizes the /doctor command for quick health checks of your Claude Code environment.
  • Issue Resolution: Offers step-by-step solutions for authentication errors, MCP server problems, configuration glitches, performance bottlenecks, and installation failures.
  • Use Case: If Claude Code is failing to connect to an MCP server, you can use this Skill to run /doctor, check server logs, and follow the provided steps to fix common "Tool not found" or server crash errors.

Quick Start

Run the /doctor command to perform automated health checks on your Claude Code setup.

Frequently Asked Questions about Claude Code Troubleshooting & Debugger

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fix Claude Code authentication failures and configuration problems?▼

To fix Claude Code authentication failures and configuration problems, use the `/doctor` command to run automated health checks and follow the provided diagnostic steps to repair your environment setup.

What is the best way to troubleshoot MCP server errors in Claude Code?▼

The best way to troubleshoot MCP server errors in Claude Code is to run diagnostic commands, check server logs, and apply self-healing protocols to resolve 'Tool not found' messages or server crashes.

How do I run a health check on my Claude Code development environment?▼

Run a health check on your Claude Code development environment by executing the `/doctor` command, which performs automated environment checks and diagnoses operational problems.

Why does Claude Code experience performance degradation and how do I resolve it?▼

Claude Code performance degradation can be diagnosed using environment checks and self-healing protocols, which provide targeted step-by-step solutions to resolve operational bottlenecks and restore efficient processing.

Can I use diagnostic commands to resolve Claude Code installation difficulties?▼

Yes, you can use diagnostic commands like `/doctor` to resolve Claude Code installation difficulties by running automated environment checks and following guided resolution steps for setup failures.