Agent Receipts

Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.

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What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.

    Server tool list (3)

    Raw names from tools/list. Only developers need these.

    issue_receiptMint a verifiable provenance receipt for an autonomous-agent action. Returns a signed (ed25519), content-hashed (SHA-256), server-timestamped receipt that is hash-chained to this agent's prior receipts (tamper-evident audit trail). Pass the raw inputs/outputs (we hash them — raw data is never stored) OR pre-computed sha256 hashes. Use for compliance, audit trails, and dispute resolution of agentic actions. PAID: $0.01 USDC/call via x402.
    verify_receiptVerify a receipt by id (or by passing the full receipt object). Recomputes the content hash, confirms the id commits to the body, and checks the ed25519 signature. Returns the verification checks plus the provenance record (action, agent, input/output hashes, timestamp, chain position). FREE.
    list_receiptsList the receipt hash-chain for an agent_id, newest first (id, action, timestamp, sequence, hashes, verifyUrl). Use to audit everything a given agent has attested. FREE.