MCP server
Agent Transaction Trust
By grupoanesthy-spec
Authorize and prove autonomous x402/AP2 agent payments with cryptographic receipts.
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First seen 16 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
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8
Tools
From an anonymous probe
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Tools
| Tool | Description | Behaviour |
|---|---|---|
| authorize_x402_ap2 | Paid pre-payment trust gate. Use after create_ap2_challenge and after receiving the merchant's real x402 PAYMENT-REQUIRED challenge, but before paying the merchant. Verifies AP2 v0.2 authority and binds approval to the exact merchant challenge and HTTP request. On approval returns authorization_token; next pay the merchant, then call verify_settlement. Machine price: $0.001 via x402. If authorization is denied, the Trust fee is not settled/charged. | Not declared |
| clearance_x402_ap2 | Paid transaction-clearance decision for an autonomous x402 purchase. Use after create_ap2_challenge and after receiving the merchant's real PAYMENT-REQUIRED challenge, but before paying the merchant. Verifies AP2 v0.2 authority, exact request/challenge integrity, and public merchant-risk evidence. Returns clearance_decision APPROVED, REVIEW or DENIED and a signed clearance_token. APPROVED may proceed automatically; REVIEW should not auto-pay; DENIED should not pay. Machine price: $0.001 via x402. | Not declared |
| create_ap2_challenge | Free prerequisite for AP2-native transaction clearance or authorization. Call before clearance_x402_ap2 or authorize_x402_ap2, bind the returned challenge into the AP2 Payment Mandate proof, then pass that challenge token as ap2_authority.challenge_token. The challenge is short-lived and intended for one purchase flow. | Not declared |
| firewall_before_payment | Paid automatic before-payment gate for x402 clients. Call after receiving the merchant's real PAYMENT-REQUIRED challenge but before creating/signing the merchant payment. Returns firewall_action ALLOW, REVIEW or BLOCK plus signed proof. ALLOW means the wallet/client may proceed only if its own spending authority also permits the payment. Machine price: $0.001 via x402. | Not declared |
| get_trust_manifest | Free, read-only entry point. Call this first when deciding whether Agent Transaction Trust fits an x402 purchase. Returns capabilities, supported authority modes, proof key, price/network information, and the endpoints needed for transaction clearance, authorization, and settlement verification. | Not declared |
| preflight_x402 | Paid public preflight for an autonomous x402 payment. No account, API key, policy token, or AP2 mandate is required. Submit the merchant's real PAYMENT-REQUIRED challenge and the exact intended HTTP request. Returns preflight_decision APPROVED, REVIEW or DENIED plus a signed preflight_token. APPROVED means the payment/merchant evidence is clear enough to proceed only if separate delegated authority permits the spend. Machine price: $0.001 via x402. | Not declared |
| verify_settlement | Free post-payment step. Call only after the merchant x402 payment for a previously approved authorization or transaction clearance. Verifies the Base USDC settlement on-chain and, when it matches the authorization, returns a signed settlement receipt. The authorization_token may come from clearance_x402_ap2 or authorize_x402_ap2; payment_response is the merchant x402 PAYMENT-RESPONSE when available. No additional Trust fee is charged. | Not declared |
| verify_trust_token | Free, read-only token check. Use this to validate the signature and expiry of a Trust policy, authorization token, transaction clearance token, or settlement receipt; it does not perform on-chain settlement verification. | Not declared |
| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Official MCP Registry | Agent Transaction Trust | - | 16 Oct 2026 |