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Zed

WebPerf Snippets for Zed

io.github.nucliweb/webperf-snippets

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

client:Zed transport:stdio runtime:npm

Install WebPerf Snippets in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

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

{
  "context_servers": {
    "webperf-snippets": {
      "command": "npx",
      "args": [
        "-y",
        "webperf-snippets"
      ],
      "env": {
        "CRUX_API_KEY": "<CRUX_API_KEY>"
      }
    }
  }
}

Merge this into your existing settings object — do not replace the file. Zed docs

WebPerf Snippets in other clients

WebPerf Snippets MCP server