Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.
| Endpoint | https://micropay-test-suite.netlify.app/api/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 1 tools · grade A (99) · pin ts_99a975ee992ada48557c53be0352a6f2 · protocol 2025-06-18 |
| First / last listed | 2026-10-28 02:41 UTC / 2026-10-28 02:41 UTC |
| Grade over time | 2026-10-28: A (99), 1 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.
Tools: check_payment_flow
check_payment_flow | Verifies an agent's x402 payment flow against a free Base Sepolia testnet endpoint. Call with no arguments first to get back the payment-required challenge (price, network, payTo). Sign it with your x402 client, then call again passing paymentSignature as the encoded PAYMENT-SIGNATURE header value to get back a verified/failed receipt. params: paymentSignature |
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.