A2A Agent Card Cross-SDK Signature Conformance

com.textforagents/a2a-agent-card-cross-sdk-signature-conformanceVersion 1.0.8

Per-SDK verdict matrix for signed A2A Agent Cards: which signatures verify in each SDK.

Status

Responds332 msNov 14, 2026, 14:19 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:19 UTC
Latency: 332 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcpResponds332 msNov 14, 2026, 14:19 UTC

No sign-in

Claude Code

claude mcp add --transport http a2a-agent-card-cross-sdk-signature-confo https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: a2a-agent-card-cross-sdk-signature-confo
Remote MCP server URL: https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp

Cursor

{
  "mcpServers": {
    "a2a-agent-card-cross-sdk-signature-confo": {
      "url": "https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"a2a-agent-card-cross-sdk-signature-confo","type":"http","url":"https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/mcp"}'

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Tools

3 tools

Tools of A2A Agent Card Cross-SDK Signature Conformance
	Description		Read-only	Idempotent	Open world
`check_card`Run one cross-SDK signature conformance verdict check (trial or $0.05 x402 accounting applies).	Run one cross-SDK signature conformance verdict check (trial or $0.05 x402 accounting applies).	Not declared	Not declared	Not declared	Not declared
`get_check`Fetch one of your checks by id.	Fetch one of your checks by id.	Not declared	Not declared	Not declared	Not declared
`list_watches`List your watches.	List your watches.	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Nov 6, 2026
Updated: Nov 6, 2026
Website: https://textforagents.com/products/a2a-agent-card-cross-sdk-signature-conformance/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Documents Developer toolsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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