Submit AI inference to XFuel, pay per task (USDC via x402 or TFUEL), fetch/verify ZK proofs.
To add XFuel to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 6 environment variables, listed below.
Install
npx -y xfuel-mcp@0.1.1Environment variables
XFUEL_API_URLSet in your MCP configXFUEL_API_KEYSet in your MCP configXFUEL_MCP_AUTH_TOKENSet in your MCP configXFUEL_RPC_URLSet in your MCP configZK_VERIFIER_ADDRESSSet in your MCP configXFUEL_PAYER_PRIVATE_KEYSet in your MCP configInstall with your client
claude mcp add xfuel --env XFUEL_API_URL=<YOUR_XFUEL_API_URL> --env XFUEL_API_KEY=<YOUR_XFUEL_API_KEY> --env XFUEL_MCP_AUTH_TOKEN=<YOUR_XFUEL_MCP_AUTH_TOKEN> --env XFUEL_RPC_URL=<YOUR_XFUEL_RPC_URL> --env ZK_VERIFIER_ADDRESS=<YOUR_ZK_VERIFIER_ADDRESS> --env XFUEL_PAYER_PRIVATE_KEY=<YOUR_XFUEL_PAYER_PRIVATE_KEY> -- npx -y xfuel-mcp@0.1.1
Run this in a terminal to add the server to Claude Code.
What this does
XFuel exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
XFUEL_API_URL XFUEL_API_KEY XFUEL_MCP_AUTH_TOKEN XFUEL_RPC_URL ZK_VERIFIER_ADDRESS XFUEL_PAYER_PRIVATE_KEY
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install XFuel?
Run the Claude Code command in the install section to add XFuel to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with XFuel?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to XFuel as well.
Does XFuel need an API key?
Yes. Before it can run, set these environment variables: XFUEL_API_URL, XFUEL_API_KEY, XFUEL_MCP_AUTH_TOKEN, XFUEL_RPC_URL, ZK_VERIFIER_ADDRESS, XFUEL_PAYER_PRIVATE_KEY. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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