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Troubleshooting Claude Code Install and Auth

Diagnose Claude Code installation and authentication issues step by step.

Updated Aug 23, 2026
Search Tags:#developer tools#authentication#troubleshooting#Claude Code#setup#diagnostics#installation
One-click install
npx skills add https://github.com/kamenxrider/claude-code-ryoko --skill troubleshooting-claude-code-install-and-auth
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Troubleshooting Claude Code Install and Auth
Source: https://github.com/kamenxrider/claude-code-ryoko/tree/main/claude-code-learning/skills/troubleshooting-auth
Command: npx skills add https://github.com/kamenxrider/claude-code-ryoko --skill troubleshooting-claude-code-install-and-auth

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Struggling with Claude Code installation or authentication can be a major roadblock. This Skill provides a systematic, step-by-step procedure to diagnose and resolve common setup issues, getting you back to coding faster and reducing frustrating downtime.

Core Features & Use Cases

  • Guided Diagnosis: Walks you through verifying your environment, installation status, and authentication process with clear, non-destructive checks.
  • Error Message Interpretation: Helps you understand specific error messages and ties them back to documented solutions.
  • Safe & Secure: Emphasizes read-only checks and official documentation, ensuring your system remains secure and stable.
  • Use Case: If Claude Code isn't connecting to your repository, showing sign-in errors, or simply "not working," activate this Skill. It will guide you through a precise troubleshooting flow, helping you identify the root cause and suggesting the exact steps to fix it, so you can focus on development, not setup.

Quick Start

I'm having trouble signing into Claude Code in my VS Code editor. Can you help me troubleshoot the authentication?