A2A Passport — one GTIN, one call, everything GSC knows, signed
The hubs are the records; A2A-Passport.ai issues the passport.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.a2a-passport.ai/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.a2a-passport.ai/mcp{
"mcpServers": {
"a2a-passport": {
"url": "https://mcp.a2a-passport.ai/mcp"
}
}
}claude mcp add --transport http a2a-passport https://mcp.a2a-passport.ai/mcp{
"servers": {
"a2a-passport": {
"type": "http",
"url": "https://mcp.a2a-passport.ai/mcp"
}
}
}3 tools, verified live
get_passportThe 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 on the record, its compliance records, who lists it, where the payment door is. Read live from the GSC hubs on every call; the first call issues version 1. subject = a GTIN (8 to 14 digits) or market/banner; kind = gtin or banner (option
list_passportsread-onlyThe 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_passportread-onlyCheck 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.
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