First-Call Witness
Real MCP handshake witness graded per-client, signed expiring receipt.
| Endpoint | https://textforagents.com/products/first-call-latency-witness/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 3 tools · grade C (75) · pin ts_aa53e1e0b7d0f6a9975aad86e46c3f05 · protocol 2025-03-26 |
| First / last listed | 2026-10-29 00:56 UTC / 2026-10-29 00:56 UTC |
| Grade over time | 2026-10-29: C (75), 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.
Tools: budgets witness_check verify_receipt
budgets | Get the versioned budget table params: none |
witness_check | Witness check — paid work is refused over MCP; payments collect on the HTTP x402 surface (POST /check) params: url* |
verify_receipt | Verify a signed receipt envelope params: receipt* |
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.