Evidence row 37885

What was observed

{
  "endpoints": [
    [
      "web",
      "https://goodsender.com/"
    ]
  ],
  "name": "GoodSender",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-23T21:03:56.821794Z",
        "status": "active",
        "statusChangedAt": "2026-10-23T21:03:56.821794Z",
        "updatedAt": "2026-10-23T21:03:56.821794Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Free consent-based emailing, blog publishing, and interactive email template design tools",
      "name": "io.github.good-sender/goodsender-mcp",
      "packages": [
        {
          "fileSha256": "42eb8687c4e7d171468323502310c591f2d30e4ef808074c42333622c4ba9064",
          "identifier": "https://github.com/good-sender/mcp/releases/download/v0.8.2/goodsender.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          },
          "version": "0.8.2"
        },
        {
          "environmentVariables": [
            {
              "description": "Your GoodSender API key (from the API Keys section of the GoodSender Console).",
              "isRequired": true,
              "isSecret": true,
              "name": "GOODSENDER_API_KEY"
            },
            {
              "description": "Set to false to opt out of anonymous usage/reliability telemetry.",
              "name": "GOODSENDER_TELEMETRY"
            },
            {
              "description": "Set to true so mutating tools run immediately without asking for action confirmation. Use for unattended agent loops (for example Claude Cowork on a schedule). Default false: publish and send wait for confirmation.",
              "name": "GOODSENDER_DISABLE_ACTION_GUARDS"
            }
          ],
          "identifier": "docker.io/goodsender/goodsender-mcp:0.8.2",
          "registryType": "oci",
          "transport": {
            "type": "streamable-http",
            "url": "http://localhost:9889/mcp"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/good-sender/mcp"
      },
      "title": "GoodSender",
      "version": "0.8.2",
      "websiteUrl": "https://goodsender.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Free consent-based emailing, blog publishing, and interactive email template design tools"
}

What the leaf hashes

{"body":"1a2c5bca83cf6ae34fdebbade89e16528cef469a90866e0eaafc37515980b5a9","id":37885,"kind":"listing","method":"baseline/1","observed_us":1793025391225013,"prev":null,"subject":"mcp_registry:io.github.good-sender/goodsender-mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x80787f57a4cf60cfcfe9007af514380a00c4a7e51175e1dc5430fe623556d18a
2. 0x623b6f70afceb000c413856743beaac5e1c01e691bcf9e820530d9a43ccf151d
3. 0x109cec25461fed4cd39c87f22774166cf90de0fb9e84f9592cc6a77403bd65a0
4. 0x836f8cbeec7a7340b7af33f31526976a5a53498c7478012c319f0439d780f495
5. 0xb3098cfa9165bdc72ad87da58b083a326a2d035dca49ff6d50682dc20311a9a4
6. 0xbf6a77595513c698cbbc83cbb4aceb7531e290acb67a86fa94c66ac02bfb83d9
7. 0x2e299dccf0a0671a4710319116069f2e6afcb611ef9c0f0f67c8c67c7b4bde25
8. 0x9f8540acfde15977beb741c1c18079795a32b11e8096d6167d74d9dce75622f3
9. 0x33473c1ba41117ab362e57768253f8c51c21c9146ff505d93b1c7c8662f95eeb
10. 0x15c5749acf6e438b0810eb58256d5489413257c72393a4d6db9114e07e5b4598
11. 0x62490dd1c15d5301c6fb2c08f1d6ceb3a0d4c216f6e742424332881907db0fcd
12. 0xb9c4107c5cbaf0844324e5ba287c90e0643bb7b9e48e7877adda9372132cf0ea
13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae