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Evidence row 1038847

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://freetier-agent-api.pages.dev/api/mcp-servers
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5285f1bc4a0b507f75544ede30ba84ab27c0737f4ab4403b60747d5dd605c832
Leaf
0x436f7f19dc8502f5aaee272af4f3cf2cc1545342612d4bae3a441f06f48d9aec

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://freetier-agent-api.pages.dev/api/mcp-servers"
    ]
  ],
  "name": "Agent Extraction API",
  "owner_address": "0x165eb3dc3e98403ecb1141e90400f5e71806554b",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x165Eb3dC3E98403ecB1141e90400F5e71806554B",
        "scheme": "exact"
      }
    ],
    "description": "Search 4,259 MCP (Model Context Protocol) servers by keyword, category, language (python/typescript/go/rust...), scope (cloud/local) and official flag. Returns repo URL and description.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "language": "python",
              "limit": "10",
              "q": "postgres"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "categories": 58,
              "count": 30,
              "results": [
                {
                  "category": "Cloud Platforms",
                  "description": "Compare compute, storage, managed Postgres, egress and GPU prices across AWS, Azure, GCP and OCI, plus FinOps tools for break-even, TCO and migration analysis.",
                  "languages": [
                    "python"
                  ],
                  "name": "Albaker-Group/cloudprice-mcp",
                  "official": false,
                  "os": [
                    "linux",
                    "macos"
                  ],
                  "scope": [
                    "cloud"
                  ],
                  "url": "https://github.com/Albaker-Group/cloudprice-mcp"
                },
                {
                  "category": "Databases",
                  "description": "Natural-language questions over Postgres, Oracle, Snowflake, Databricks, DuckDB and SQLite; generated SQL is validated deterministically before running.",
                  "languages": [
                    "python"
                  ],
                  "name": "agenticfabriq/mnemiq",
                  "official": false,
                  "os": [
                    "linux",
                    "macos"
                  ],
                  "scope": [
                    "local"
                  ],
                  "url": "https://github.com/agenticfabriq/mnemiq"
                }
              ],
              "returned": 10,
              "sources": [
                {
                  "license": "MIT",
                  "name": "punkpeye/awesome-mcp-servers",
                  "snapshot": "2026-10-17",
                  "url": "https://github.com/punkpeye/awesome-mcp-servers"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "type": "string"
                    },
                    "language": {
                      "type": "string"
                    },
                    "limit": {
                      "type": "string"
                    },
                    "official": {
                      "enum": [
                        "yes"
                      ],
                      "type": "string"
                    },
                    "q": {
                      "type": "string"
                    },
                    "scope": {
                      "enum": [
                        "cloud",
                        "local",
                        "embedded"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "categories": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "count": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "results": {
                      "items": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "array"
                    },
                    "returned": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "sources": {
                      "items": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793252197/bazaar-icons/19906174df41ffa4.png",
    "lastUpdated": "2026-10-29T07:52:46.269Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T07:52:46.133Z"
    },
    "resource": "https://freetier-agent-api.pages.dev/api/mcp-servers",
    "serviceName": "Agent Extraction API",
    "tags": [
      "directory",
      "mcp",
      "model-context-protocol"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search 4,259 MCP (Model Context Protocol) servers by keyword, category, language (python/typescript/go/rust...), scope (cloud/local) and official flag. Returns repo URL and description."
}

What the leaf hashes

{"body":"5285f1bc4a0b507f75544ede30ba84ab27c0737f4ab4403b60747d5dd605c832","id":1038847,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298276290053,"prev":null,"subject":"x402_bazaar:https://freetier-agent-api.pages.dev/api/mcp-servers","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).

  1. 0x436f8fbed97caccf74b861da0d615a5c90da1a9ee4b954b2edf4e77f9602b94a
  2. 0x141d5f5cdfe4be171a3269c60c2212d1ba4686f0d5e6b1b84aa81e76bc275ba2
  3. 0xf9b20435b852aeb0663e8562f54bb20b8dc33697bf724afd64bb5c3ee318e003
  4. 0x904ef20368ce1ee060b59d7285722658ceaab982261835904309cef2ee998b30
  5. 0x8baa9b2b7b830d244d60031eef34859bfbb2abc43bc92c13b757bb37f38ba28d
  6. 0xe87066bf94ca9dbf25eccabafded8b2a221f49573354684b04003b641dd51345
  7. 0x7088b98bb3e1ad51da4a2152b389b69bf2c7e789c9b46ec47987c8fd8ec01903
  8. 0x8988d78e02bfebf059bc9aee13e93920c0df44a17caa267b03b2008d1ed57bd4
  9. 0xec73e0a0f482f9ad20034d37c80bd8bb843610bca44856b787a147f0c57e7f0f
  10. 0xd25c52ac497f956acb6a6ed901ce20794dbbf2fc3dc3a84e876592075b485ec0
  11. 0xd4aca9642ab82835a5c95b33ece73f501e2e3c8763a3f8718cf2cfc91c0b4f97
  12. 0xb02e983c27785c0571f73ef2bbc0c1322cdf6fac687898e8f1d1425c52e6de35
  13. 0xf16c67f95ffdfd6dd2607c7f45e2998cc3d8484d81e01ebd37215bcbf3f66112
  14. 0xfd10c7ee22418679d618a048206ccbf1219e97c4af44a5180884b0b3d02c18e8
  15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
  16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
  17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
  18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07
Day root
0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
Chained
0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
Published
On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1

How to check it · This row as JSON