Skip to contentXFuel MCP Server — Install for Claude, Cursor & VS Code | MCPpediaXXFuel MCP Server
Submit AI inference to XFuel, pay per task (USDC via x402 or TFUEL), fetch/verify ZK proofs.
45FairInstall
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"xfuel-lab-xfuel-mcp": {
"command": "npx",
"args": [
"-y",
"xfuel-mcp@0.1.1"
],
"env": {
"XFUEL_API_URL": "https://api-testnet.xfuel.app",
"XFUEL_API_KEY": "xfuel-demo",
"XFUEL_MCP_AUTH_TOKEN": "YOUR_XFUEL_MCP_AUTH_TOKEN",
"XFUEL_RPC_URL": "",
"ZK_VERIFIER_ADDRESS": "",
"XFUEL_PAYER_PRIVATE_KEY": "YOUR_XFUEL_PAYER_PRIVATE_KEY"
}
}
}
}
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Environment
| Name | Required | Notes |
|---|
| XFUEL_API_URL | No | XFuel API base URL. Defaults to the hosted testnet demo. |
| XFUEL_API_KEY | No | API key sent as X-API-Key. Defaults to the shared public demo key. Secret. |
| XFUEL_MCP_AUTH_TOKEN | No | Optional bearer token required on the HTTP transport (Authorization: Bearer <token>). Secret. |
| XFUEL_RPC_URL | No | Theta RPC URL enabling verify_proof's optional on-chain nullifier read. |
| ZK_VERIFIER_ADDRESS | No | ZKVerifierSP1 contract address (paired with XFUEL_RPC_URL). |
| XFUEL_PAYER_PRIVATE_KEY | No | Funded payer private key that enables the pay_with_usdc tool. Moves USDC — keep secret; use a low-balance wallet. Secret. |
Tools show up when the registry metadata or the repository README lists them. GitHub enrichment fills this in when a token is configured.
About
Submit AI inference to XFuel, pay per task (USDC via x402 or TFUEL), fetch/verify ZK proofs.
FAQ
- What is XFuel?
- Submit AI inference to XFuel, pay per task (USDC via x402 or TFUEL), fetch/verify ZK proofs.
- How do I install XFuel?
- Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.
- Is XFuel official?
- No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.
- How is the trust score calculated?
- This listing scores 45 (Fair). The formula is published on the methodology page.
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