A2A Agent Card Cross-SDK Signature Conformance
by FastDrop
Per-SDK verdict matrix for signed A2A Agent Cards: which signatures verify in each SDK.
Per-SDK verdict matrix for signed A2A Agent Cards: which signatures verify in each SDK. Official MCP Registry: com.textforagents/a2a-agent-card-cross-sdk-signature-conformance@1.0.0. Remote endpoint: https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Remote MCP endpoint ingested from the official registry and probed by FastDrop.
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as com.textforagents/a2a-agent-card-cross-sdk-signature-conformance and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
If this is your server, claim the listing to edit it and take ownership. The registry index lists everything else still awaiting a probe.
Claim this listingTools this endpoint exposes
Read directly from the endpoint on 22 Oct 2026. Not supplied by the maker.
check_cardRun one cross-SDK signature conformance verdict check (trial or $0.05 x402 accounting applies).
get_checkFetch one of your checks by id.
list_watchesList your watches.
Is this tool yours?
Claim this listing, then prove you own the domain with one DNS record: once it matches, the listing is yours right away.
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Matched on shared tags and the tools their MCP servers actually expose.
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
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