react-devtools-mcp
Provides AI agents with visibility into React applications by exposing tools to inspect component state, props, and performance metrics. It enables debugging and state analysis for both web and React Native applications through the Model Context Protocol.
README
react-devtools-bridge
Give AI agents eyes into your React app.
Setup
1. Add MCP server to Claude Code
.mcp.json:
{
"mcpServers": {
"react-devtools": {
"command": "npx",
"args": ["react-devtools-bridge"]
}
}
}
2. Connect your React app
Web - Add to your HTML (before your app bundle):
<script src="http://localhost:8097"></script>
React Native - DevTools is built-in. No extra setup needed.
3. (Optional) Install the skill
Teach Claude when to use these tools:
npx add-skill skylarbarrera/react-devtools-mcp
Or manually:
cp node_modules/react-devtools-bridge/SKILL.md ~/.claude/skills/react-devtools/SKILL.md
Usage
With your React app running, ask Claude things like:
- "What's the current state of the Counter component?"
- "Why doesn't clicking this button update the UI?"
- "Which components are re-rendering too often?"
Docs
- All tools
- Skill guide - When and how to use each tool
License
MIT
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