A2A Agent Card Cross-SDK Signature Conformance
Per-SDK verdict matrix for signed A2A Agent Cards: which signatures verify in each SDK.
| Endpoint | https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 3 tools · grade C (75) · pin ts_26ea82bb91574efb5affb1ac6d772014 · protocol 2025-03-26 |
| First / last listed | 2026-10-28 01:32 UTC / 2026-10-28 01:32 UTC |
| Grade over time | 2026-10-28: 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: check_card get_check list_watches
check_card | Run one cross-SDK signature conformance verdict check (trial or $0.05 x402 accounting applies). params: card_url, card, jwks* |
get_check | Fetch one of your checks by id. params: check_id* |
list_watches | List your watches. params: none |
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.