Fatstack MCP Server: Install & Setup

Install Fatstack in Claude Code

Claude Code

claude mcp add --transport http fatstack https://echo.fatstack.net/mcp

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

{
  "mcpServers": {
    "fatstack": {
      "url": "https://echo.fatstack.net/mcp"
    }
  }
}

Frequently asked questions

What does the Fatstack MCP server do?

Marketplace of MCP servers and APIs that agents pay for per call in USDC over x402 on Base.

Is the Fatstack MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does Fatstack run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Fatstack to Claude Code?

Run: claude mcp add --transport http fatstack https://echo.fatstack.net/mcp

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