XFuel

io.github.XFuel-Lab/xfuel-mcp

Submit AI inference to XFuel, pay per task (USDC via x402 or TFUEL), fetch/verify ZK proofs.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "xfuel-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "xfuel-mcp@0.1.1"
      ],
      "env": {
        "XFUEL_API_URL": "https://api-testnet.xfuel.app",
        "XFUEL_API_KEY": "<your XFUEL_API_KEY>",
        "XFUEL_MCP_AUTH_TOKEN": "<your XFUEL_MCP_AUTH_TOKEN>",
        "XFUEL_PAYER_PRIVATE_KEY": "<your XFUEL_PAYER_PRIVATE_KEY>"
      }
    }
  }
}
Environment variables
  • XFUEL_API_URLXFuel API base URL. Defaults to the hosted testnet demo.
  • XFUEL_API_KEYsecretAPI key sent as X-API-Key. Defaults to the shared public demo key.
  • XFUEL_MCP_AUTH_TOKENsecretOptional bearer token required on the HTTP transport (Authorization: Bearer <token>).
  • XFUEL_PAYER_PRIVATE_KEYsecretFunded payer private key that enables the pay_with_usdc tool. Moves USDC — keep secret; use a low-balance wallet.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.1
Registry
active
Published
7/9/2026

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Add the badge to your site

Show visitors that XFuel is listed here — it’s also the link we check for a free listing.

XFuel — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-xfuel-lab-xfuel-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="XFuel — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![XFuel — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-xfuel-lab-xfuel-mcp?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.