Bundlephobia MCP Server: Install & Setup

Install Bundlephobia in Claude Code

Claude Code

claude mcp add bundlephobia -- npx -y @mrfentmen/bundlephobia-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "bundlephobia": {
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/bundlephobia-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Bundlephobia MCP server do?

npm bundle sizes from Bundlephobia. No key required.

Is the Bundlephobia MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Bundlephobia run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Bundlephobia to Claude Code?

Run: claude mcp add bundlephobia -- npx -y @mrfentmen/bundlephobia-mcp

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