io.github.XFuel-Lab/xfuel-mcp
XFuel
Submit AI inference to XFuel, pay per task (USDC via x402 or TFUEL), fetch/verify ZK proofs.
alive probed 2026-10-14
8tools
3.9ktokens in Claude Opus 5.5
4.0ktokens in Claude Code
1.9 %of a 200k context window
2.4ko200k_base estimate
817 msto initialize
14 msto list tools
- Run it
- npx -y xfuel-mcp@0.1.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- xfuel-mcp-server 0.1.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/XFuel-Lab/xfuel-protocol
- Website
- https://github.com/XFuel-Lab/xfuel-protocol/tree/main/xfuel-mcp#readme
- Registry
- active, updated 2026-07-09 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| pay_with_usdc | 673 | 28 % |
| submit_inference | 575 | 24 % |
| verify_proof | 307 | 13 % |
| get_task_status | 206 | 9 % |
| quote_task | 199 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.XFuel-Lab/xfuel-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.