WebPerf Snippets for Claude Desktop
io.github.nucliweb/webperf-snippets
Measure Core Web Vitals and debug web performance with 56 snippets in a headless Chromium
client:Claude Desktop
transport:stdio
runtime:npm
Install WebPerf Snippets in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"webperf-snippets": {
"command": "npx",
"args": [
"-y",
"webperf-snippets"
],
"env": {
"CRUX_API_KEY": "<CRUX_API_KEY>"
}
}
}
}
Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs