# extensiondev/mcp

Build, run, inspect, and publish browser extensions from any MCP client. 35 tools, 13 browsers.

- Weekly downloads: 851
- GitHub stars: 0
- Health: active
- Repository: https://github.com/extensiondev/mcp
- Registry names: io.github.extensiondev/mcp
- Categories: Browser & web scraping, Dev tools & GitHub
- Snapshot: 2026-10-22

## Install

```sh
npx -y @extension.dev/mcp
```

```json
{
  "mcpServers": {
    "extensiondev-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@extension.dev/mcp"
      ]
    }
  }
}
```

Source: https://mcpmorning.com/mcp/extensiondev-mcp/