WS
WebPerf Snippets
io.github.nucliweb/webperf-snippets
Measure Core Web Vitals and debug web performance with 56 snippets in a headless Chromium
Yes, if you run it on your computer.This is a local server: your AI app launches it on your machine (Claude Desktop, Cursor, VS Code, Claude Code). Browser-only apps like ChatGPT on the web can't run it.
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{
"mcpServers": {
"webperf-snippets": {
"command": "npx",
"args": [
"-y",
"webperf-snippets@1.6.0"
],
"env": {
"CRUX_API_KEY": "<value>"
}
}
}
}claude mcp add webperf-snippets -- npx -y webperf-snippets@1.6.0Alternatives in Developer Tools
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