io.github.XFuel-Lab

xfuel-mcp

XFuel

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

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Package Details

xfuel-mcp

0.1.1•https://www.npmjs.com/package/xfuel-mcp
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Environment Variables

XFUEL_API_URL(str)
Default:https://api-testnet.xfuel.app

XFuel API base URL. Defaults to the hosted testnet demo.

XFUEL_API_KEY(str)
Default:xfuel-demo
Secret

API key sent as X-API-Key. Defaults to the shared public demo key.

XFUEL_MCP_AUTH_TOKEN(str)
Secret

Optional bearer token required on the HTTP transport (Authorization: Bearer <token>).

XFUEL_RPC_URL(str)

Theta RPC URL enabling verify_proof's optional on-chain nullifier read.

ZK_VERIFIER_ADDRESS(str)

ZKVerifierSP1 contract address (paired with XFUEL_RPC_URL).

XFUEL_PAYER_PRIVATE_KEY(str)
Secret

Funded payer private key that enables the pay_with_usdc tool. Moves USDC — keep secret; use a low-balance wallet.