MandateShield AI Payment Evidence
Analyzes delegated AI payment authority and exposes supported Stripe/x402 evidence contracts.
Connect it
Settings → Connectors → Add custom connector
URL: https://mandateshield.com/api/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mandateshield.com/api/mcp{
"mcpServers": {
"payment-authority": {
"url": "https://mandateshield.com/api/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}claude mcp add --transport http payment-authority https://mandateshield.com/api/mcp --header "Authorization: <value>"{
"servers": {
"payment-authority": {
"type": "http",
"url": "https://mandateshield.com/api/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}3 tools, verified live
check_ai_payment_authorityUse before an AI agent buys, subscribes, transfers value, calls a metered API, or accesses a paid resource when the user wants a payment-authority check. Analyze whether the proposed purchase fits supplied policy facts. This v1 entry check is non-executable and always returns enforcement_authorized=false; use the strict cryptographic tool for a production gate. Never send payment credentials or pr
normalize_agent_payment_protocolread-onlyUse when an agent encounters an AP2 terminal closed-payment projection, x402 v2 PAYMENT-REQUIRED offer, or explicitly profiled MPP Payment challenge and needs the supported fields projected before an authority check. Map those documented fields into a deterministic MandateShield purchase envelope. X402 requires source-matched network+payTo identity and MPP requires source-matched HTTPS service-ori
verify_cryptographic_payment_authorityUse only for a production pre-payment authority gate after the caller has a registered mandate, pinned issuer key, fresh challenge, VERIFY-scoped key, exact final purchase and supported signed evidence. Fail closed for JWS, an AP2-shaped closed-payment SD-JWT projection with RFC 9901 KB-JWT, or normalized TAP-shaped RFC 9421-style evidence. Full AP2 checkout/delegate-chain and Visa TAP structured-
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