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mcp/harbor
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WebPerf Snippets MCP

v1.16.0 changelog · 14

io.github.nucliweb/webperf-snippets

Measure Core Web Vitals and debug web performance with 56 snippets in a headless Chromium

transport:stdio runtime:npm
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Target client

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add webperf-snippets -e CRUX_API_KEY=<CRUX_API_KEY> -- npx -y webperf-snippets

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.