Server definition

Hash: sha256:ac1dbbf13e38d380713d7fec2fb52909fe411cd4bf9de2508307a30e065e5f16
What it is: What a remote MCP server returned when asked what it offers: 3 tools

The blob, as servednamed by its sha256

{
  "instructions": null,
  "tools": [
    {
      "description": "Mint 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.",
      "inputSchema": {
        "properties": {
          "action": {
            "description": "What the agent did, e.g. 'sent_payment' or 'approved_refund' or 'tool_call:search'.",
            "type": "string"
          },
          "agent_id": {
            "description": "Stable identifier for the acting agent (chains group by this).",
            "type": "string"
          },
          "inputs": {
            "description": "Raw inputs to the action (any JSON). Hashed to a commitment; raw data not stored."
          },
          "inputs_hash": {
            "description": "Alternatively, a pre-computed sha256 hex (or 'sha256:<hex>') of inputs.",
            "type": "string"
          },
          "metadata": {
            "description": "Optional small key/value context (model, version, request id, etc.).",
            "type": "object"
          },
          "outputs": {
            "description": "Raw outputs/result of the action (any JSON). Hashed to a commitment; raw data not stored."
          },
          "outputs_hash": {
            "description": "Alternatively, a pre-computed sha256 hex (or 'sha256:<hex>') of outputs.",
            "type": "string"
          }
        },
        "required": [
          "action"
        ],
        "type": "object"
      },
      "name": "issue_receipt",
      "outputSchema": null
    },
    {
      "description": "List 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.",
      "inputSchema": {
        "properties": {
          "agent_id": {
            "description": "The agent whose receipts to list.",
            "type": "string"
          },
          "limit": {
            "description": "Max receipts (default 25, max 100).",
            "type": "number"
          }
        },
        "required": [
          "agent_id"
        ],
        "type": "object"
      },
      "name": "list_receipts",
      "outputSchema": null
    },
    {
      "description": "Verify 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.",
      "inputSchema": {
        "properties": {
          "id": {
            "description": "Receipt id, e.g. 'rcpt_...'.",
            "type": "string"
          },
          "receipt": {
            "description": "Alternatively, the full receipt object to verify offline-style.",
            "type": "object"
          }
        },
        "type": "object"
      },
      "name": "verify_receipt",
      "outputSchema": null
    }
  ]
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:ac1dbbf13e38d380713d7fec2fb52909fe411cd4bf9de2508307a30e065e5f16 | sha256sum