A2A Agent Card Cross-SDK Signature Conformance is answering right now. Last checked 7 min ago. It exposes 3 tools.
Per-SDK verdict matrix for signed A2A Agent Cards: which signatures verify in each SDK.
Today is the operative word: we check A2A Agent Card Cross-SDK Signature Conformance every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.
claude mcp add a2a-agent-card-cross-sdk-signature-conformance --transport http https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp
https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp
[mcp_servers.a2a-agent-card-cross-sdk-signature-conformance]
url = "https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp"
{
"mcpServers": {
"a2a-agent-card-cross-sdk-signature-conformance": {
"url": "https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp"
}
}
}
{
"servers": {
"a2a-agent-card-cross-sdk-signature-conformance": {
"type": "http",
"url": "https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
check_card
get_check
list_watches
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp | streamable-http | answering | 317 ms | 7 min ago |
Verify PDF signatures, detect tampering, and identify PDF/A and PAdES conformance levels.
Per-era MCP negotiation verdicts: signed documents, drift alerts, client pre-flight.
Trust layer for agent payments (x402, Base): verify agents, risk scores, signed escrow verdicts.
Pair-level MCP+A2A conformance verdicts for the exact pair you delegate across.
MCP server for GroupDocs.Signature — sign, search and verify document signatures via AI agents.
Signed deterministic AI-governance measurement: EU AI Act cards + agent-callable record verify.
Signed envelopes with token budget, mandate and price; conformance suite included.
Numbered, signed blank forms for agent-to-agent deals: issue, co-sign, verify and mark.
Answers built from our own checks of this server.