io.github.mizukaizen/x402-tools-mcp
melis-x402-tools
melis x402 Tools — 22 pay-per-call APIs for AI agents. No accounts, no API keys. USDC on Base.
alive probed 2026-10-14
17tools
2.3ktokens in Claude Opus 5.5
2.5ktokens in Claude Code
1.1 %of a 200k context window
1.2ko200k_base estimate
348 msto initialize
9 msto list tools
- Run it
- npx -y @melis-ai/x402-tools-mcp@0.1.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- melis-x402-tools 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/mizukaizen/x402-tools-mcp
- Registry
- active, updated 2026-05-15 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| scrapepay | 96 | 8 % |
| structextract | 89 | 7 % |
| promptguard | 85 | 7 % |
| docconvert_pdf | 79 | 7 % |
| cacheserve | 77 | 6 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.mizukaizen/x402-tools-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.