Evidence row 69312

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.teardrop.dev/tools/mcp"
    ]
  ],
  "name": "api.teardrop.dev/tools/mcp",
  "owner_address": "0xf2eec9de86274913f85a8aa6427ad65a9b0bc90a",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xF2Eec9De86274913F85A8aA6427Ad65a9B0bC90a",
        "scheme": "exact"
      }
    ],
    "description": "Teardrop read_contract: Call any view/pure function on a smart contract and return the decoded result, using a supplied ABI fragment. Supports historical reads via block_identifier and caller_address context for msg.sender-dependent views. Read-only: state-changing functions are rejected.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "description": "Call any view/pure function on a smart contract and return the decoded result, using a supplied ABI fragment. Supports historical reads via block_identifier and caller_address context for msg.sender-dependent views. Read-only: state-changing functions are rejected.",
            "inputSchema": {
              "properties": {
                "abi_fragment": {
                  "description": "JSON array containing the ABI for the function to call. Supports both modern (stateMutability: view/pure) and legacy (constant: true) formats. Only read-only functions are allowed.",
                  "maxLength": 65536,
                  "title": "Abi Fragment",
                  "type": "string"
                },
                "args": {
                  "description": "DEPRECATED: Positional arguments for the function call. Use 'args_json' for complex objects or Gemini compatibility.",
                  "items": {
                    "type": "string"
                  },
                  "maxItems": 50,
                  "title": "Args",
                  "type": "array"
                },
                "args_json": {
                  "anyOf": [
                    {
                      "maxLength": 2000,
                      "type": "string"
                    },
                    {
                      "type": "null"
                    }
                  ],
                  "default": null,
                  "description": "Optional JSON array string of positional arguments for the function call. Use this instead of 'args' for complex types or when calling via Google/Gemini.",
                  "title": "Args Json"
                },
                "block_identifier": {
                  "default": "latest",
                  "description": "Block number, block hash, or 'latest'/'earliest'/'pending'",
                  "maxLength": 80,
                  "title": "Block Identifier",
                  "type": "string"
                },
                "caller_address": {
                  "anyOf": [
                    {
                      "type": "string"
                    },
                    {
                      "type": "null"
                    }
                  ],
                  "default": null,
                  "description": "Optional EVM address to supply as msg.sender for caller-dependent view functions. This does not sign or submit a transaction.",
                  "title": "Caller Address"
                },
                "chain_id": {
                  "default": 1,
                  "description": "Chain ID (1=Ethereum, 8453=Base)",
                  "title": "Chain Id",
                  "type": "integer"
                },
                "contract_address": {
                  "description": "Contract address (0x…)",
                  "title": "Contract Address",
                  "type": "string"
                },
                "function_name": {
                  "description": "Name of the function to call",
                  "maxLength": 200,
                  "title": "Function Name",
                  "type": "string"
                }
              },
              "required": [
                "contract_address",
                "abi_fragment",
                "function_name"
              ],
              "title": "ReadContractInput",
              "type": "object"
            },
            "toolName": "read_contract",
            "transport": "streamable-http",
            "type": "mcp"
          },
          "output": {
            "example": {
              "block_identifier": "",
              "chain_id": 0,
              "contract_address": "",
              "function_name": "",
              "result": null
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "description": {
                  "type": "string"
                },
                "inputSchema": {
                  "type": "object"
                },
                "toolName": {
                  "type": "string"
                },
                "transport": {
                  "enum": [
                    "streamable-http",
                    "sse"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "mcp",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "toolName",
                "inputSchema"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "block_identifier": {
                      "type": "string"
                    },
                    "caller_address": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null
                    },
                    "chain_id": {
                      "type": "integer"
                    },
                    "contract_address": {
                      "type": "string"
                    },
                    "function_name": {
                      "type": "string"
                    },
                    "result": {}
                  },
                  "required": [
                    "contract_address",
                    "function_name",
                    "result",
                    "block_identifier",
                    "chain_id"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T00:44:07.433Z",
    "quality": {
      "l30DaysTotalCalls": 0,
      "l30DaysUniquePayers": 0,
      "lastCalledAt": "2026-10-05T01:32:23.143Z"
    },
    "resource": "https://api.teardrop.dev/tools/mcp#read_contract",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Teardrop read_contract: Call any view/pure function on a smart contract and return the decoded result, using a supplied ABI fragment. Supports historical reads via block_identifier and caller_address context for msg.sender-dependent views. Read-only: state-changing functions are rejected."
}

What the leaf hashes

{"body":"ac04606480392a7394a162d31c7e57ddcf8a84452bb5fdff061324f76c8617ac","id":69312,"kind":"listing","method":"baseline/1","observed_us":1793025477964550,"prev":null,"subject":"x402_bazaar:https://api.teardrop.dev/tools/mcp#read_contract","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.