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PWA Debug Layer

MCP server · by aryanduntley

Developer Tools npm v0.2.0

Debug PWAs in your real browser via MCP: service-worker, cache, installability & framework state.

View source ↗ More servers

Install

Run one of the commands below, then add the client config underneath.

npmnpx -y @aryanduntley/pwa-debug

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "pwa-debug-layer": {
      "command": "npx",
      "args": [
        "-y",
        "@aryanduntley/pwa-debug"
      ]
    }
  }
}

About this server

PWA Debug Layer is listed in the Developer Tools category of the MCPNav directory. It is distributed as npm and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the PWA Debug Layer MCP server?

PWA Debug Layer is an MCP server by aryanduntley. Debug PWAs in your real browser via MCP: service-worker, cache, installability & framework state.

How do I install PWA Debug Layer?

Install it with: npx -y @aryanduntley/pwa-debug. Then add the JSON config to your client's MCP settings and restart the client.

Is PWA Debug Layer free to use?

The MCP server itself is free to install. The source is public on https://github.com/aryanduntley/pwa-debug-layer. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support PWA Debug Layer?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.