io.github.quietforgestudio/x402-tools
Quietforge x402 Tools
Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.
alive probed 2026-10-07 · HTTP 200
7tools
2.2ktokens in Claude Opus 5.5
2.3ktokens in Claude Code
1.1 %of a 200k context window
1.4ko200k_base estimate
714 msto initialize
288 msto list tools
- Endpoint
- https://qf-api.quietforge-studio.workers.dev/mcp (streamable-http)
- Host
- qf-api.quietforge-studio.workers.dev
- Protocol
- 2025-11-25
- Reports itself as
- quietforge-x402-tools 1.3.0
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 1 506 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-07. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/quietforgestudio/qf-mcp-server
- Website
- https://quietforge-studio.pages.dev/docs-api/
- Registry
- active, updated 2026-10-07 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| x402_search | 450 | 33 % |
| x402_probe | 243 | 18 % |
| sudoku_puzzle | 187 | 14 % |
| x402_demand | 170 | 13 % |
| quietforge_pricing | 113 | 8 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-07 11:22 | alive | 1.5 s | 7 | 2.2k | 1.4k |
| 2026-10-05 15:34 | alive | 714 ms | 7 | 2.1k | 1.2k |
| 2026-10-05 00:45 | alive | 699 ms | 7 | 1.2k | |
| 2026-10-04 10:06 | alive | 1.1 s | 7 | 1.2k | |
| 2026-10-04 08:00 | alive | 661 ms | 7 | 1.2k | |
| 2026-10-03 20:39 | alive | 862 ms | 7 | 1.2k | |
| 2026-10-03 17:54 | alive | 769 ms | 7 | 1.2k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.quietforgestudio/x402-tools)
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.