A2A Passport — one GTIN, one call, everything GSC knows, signed

Last 30 days

Uptime

100%

Response time

155 ms typical, 155 ms slowest 5%

Last check

2 h ago

Next check

in 4 h

How to call it

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "a2a-passport-one-gtin-one-call-everything-gsc-knows-signed": {
      "type": "http",
      "url": "https://mcp.a2a-passport.ai/mcp"
    }
  }
}

3 tools

• get_passport

  The signed passport of a product (a Global Trade Item Number, GTIN) or a retail banner (market/banner, e.g. FR/Carrefour): which hub holds its record, where it is cleared, its compliance records, who lists it, where the payment door is. Read live from the GSC hubs on every call;

• list_passports

  The passports on the register: ids, kinds, markets, versions and issue times, newest first. No bodies. Filter by kind (gtin or banner), market, or issued since a time; paginated.

• verify_passport

  Check a passport: is the signature valid, is the chain of versions intact, how old is the stamp, was any section not read. Verifies from the published key at /.well-known/jwks.json.

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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