ai.subpay/tool-finder

Agent Tool Finder

Free search over ~50k agent tools: paid x402 APIs and MCP servers. Price, networks, how to call.

Endpointhttps://subpay.ai/find/mcp (streamable-http)
Registry version1.0.0
Now3 tools · grade A (99) · pin ts_6e98434dc4d3d604e5c6f683bb9c8d3d · protocol 2025-06-18
First / last listed2026-10-27 04:20 UTC / 2026-10-27 04:20 UTC
Grade over time2026-10-27: A (99), 3 tools

Is this your server? Own a server? ToolFit hosted watch re-checks it every 24 h ($0.25 per 30 days) or 6 h ($0.60) and sends you an HMAC-signed webhook when its tools or grade change: POST https://api.youraitools.co/toolfit/v1/watch. To opt out, see About & opt-out.

Timeline

First listing · 2026-10-27 04:20 UTC
3 tools, grade A (99)

Tools: find_tools report_unmet_need check_payability

Current tools (3)

find_toolsFree. Free search across public agent-tool catalogs — paid x402 APIs and MCP tools (PayAI's x402 Bazaar) and MCP servers (the official MCP Registry). Describe what you need in plain words; get matching tools with price, payment networks and how to call them. Returns up to 10 matches with kind (x402-http, x402-mcp, mcp-remote, mcp-package), URL, price per call in USD when listed, payment networks,
params: need*, maxPriceUsd, payment, limit
report_unmet_needFree. Nothing fits? Say what you needed (free, no personal information): the report_unmet_need MCP tool, or POST https://subpay.ai/api/v1/find/unmet. It decides what gets built next.
params: need*, searchId, details, wouldPayUsd, monthlyVolume
check_payabilityFree. Check whether an x402 endpoint or MCP tool is real, payable and active BEFORE you pay it. Pass a URL; get a 0–100 payability score, the listed price and networks, when the catalog last saw it active, how many of the last 30 days its payment address was paid, on-chain USDC payments and distinct paying wallets on Base over 30 days (with a one-wallet wash warning), a live check that it really a
params: url*, maxPriceUsd

Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.