Quietforge x402 Tools
by qf-api.quietforge-studio.workers.dev in Onchain & crypto
Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.
https://qf-api.quietforge-studio.workers.dev/mcp
Last 30 days
- Uptime
- 100%
- Response time
- 413 ms typical, 413 ms slowest 5%
- Last check
- 1 h ago
- Next check
- in 4 h
How to call it
Add it to any MCP client that supports remote servers.
{
"mcpServers": {
"quietforge-x402-tools": {
"type": "http",
"url": "https://qf-api.quietforge-studio.workers.dev/mcp"
}
}
}7 tools
- x402_search
Use this to find a pay-per-call x402 API for a given task, network or price cap before calling it (mostly USDC on Base; check each row's network and asset, some are testnet or other assets). Searches a health-probed directory of live x402 pay-per-call HTTP endpoints on Base, Sola
- x402_service
Use this to check whether one endpoint from x402_search is reliable enough to pay: its record plus its last 20 health probes (status code, latency, alive) and uptime across them.
- x402_index_stats
Use this to see how much this index covers (it is a subset of the x402 market, not all of it) and to sanity-check x402_search coverage before relying on it. Summary of the index: totals, how many endpoints answered on the last probe, counts per network and per source, and when th
- x402_demand
Use this to answer "is anyone actually paying for x402 APIs today" with settled on-chain numbers instead of listings. Market-level demand signal for the x402 ecosystem, verified against on-chain USDC settlement on Base rather than self-reported call counts: how many seller addres
- x402_probe
Use this to check a URL you are about to pay (or one you operate) for a well-formed x402 challenge before sending funds; a challenge is no guarantee the service delivers. Makes ONE live unpaid request to a public http(s) URL and reports whether it is an x402 endpoint: status code
- sudoku_puzzle
Use this when a user wants a sudoku to play or print, or an app needs a verified puzzle at a named difficulty. Generates ONE sudoku puzzle with a unique solution, 180-degree symmetry, graded by the solving techniques it needs (easy | medium | hard | expert). Returns 81-char puzzl
- quietforge_pricing
Price-check Quietforge's paid x402 HTTP routes before paying (free read-only list, not tools here): convert docx, xlsx, pptx, csv to pdf; PDF text; URL/HTML to PNG; sudoku books; manuscript typesetting; crosswords; family trees from GEDCOM; dataset quality audits; x402 index API.
Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 1 h ago | Passed | 200 | 455 ms |
| 12 h ago | Passed | 200 | 401 ms |
| 21 h ago | Passed | 200 | 413 ms |