Evidence row 772193

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://ensembl.caseyjhand.com/mcp"
    ]
  ],
  "name": "io.github.cyanheads/ensembl-mcp-server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T13:00:58.560509Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T13:00:58.560509Z",
        "updatedAt": "2026-10-28T13:00:58.560509Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Look up genes, sequences, variants, homologs, and cross-database xrefs from Ensembl REST.",
      "name": "io.github.cyanheads/ensembl-mcp-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "default": "https://rest.ensembl.org",
              "description": "Ensembl REST API base URL. Override to use GRCh37 endpoint or a local mirror.",
              "format": "string",
              "name": "ENSEMBL_BASE_URL"
            },
            {
              "default": "info",
              "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').",
              "format": "string",
              "name": "MCP_LOG_LEVEL"
            }
          ],
          "identifier": "@cyanheads/ensembl-mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.7.0"
        },
        {
          "environmentVariables": [
            {
              "description": "Selects the HTTP transport.",
              "format": "string",
              "name": "MCP_TRANSPORT_TYPE",
              "value": "http"
            },
            {
              "default": "https://rest.ensembl.org",
              "description": "Ensembl REST API base URL. Override to use GRCh37 endpoint or a local mirror.",
              "format": "string",
              "name": "ENSEMBL_BASE_URL"
            },
            {
              "default": "127.0.0.1",
              "description": "The hostname for the HTTP server.",
              "format": "string",
              "name": "MCP_HTTP_HOST"
            },
            {
              "default": "3010",
              "description": "The port to run the HTTP server on.",
              "format": "string",
              "name": "MCP_HTTP_PORT"
            },
            {
              "default": "/mcp",
              "description": "The endpoint path for the MCP server.",
              "format": "string",
              "name": "MCP_HTTP_ENDPOINT_PATH"
            },
            {
              "default": "none",
              "description": "Authentication mode to use: 'none', 'jwt', or 'oauth'.",
              "format": "string",
              "name": "MCP_AUTH_MODE"
            },
            {
              "default": "info",
              "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').",
              "format": "string",
              "name": "MCP_LOG_LEVEL"
            }
          ],
          "identifier": "@cyanheads/ensembl-mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "streamable-http",
            "url": "http://localhost:3010/mcp"
          },
          "version": "0.7.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ensembl.caseyjhand.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/cyanheads/ensembl-mcp-server"
      },
      "version": "0.7.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Look up genes, sequences, variants, homologs, and cross-database xrefs from Ensembl REST."
}

What the leaf hashes

{"body":"cc043266232efb8992c04fb5c034a79a8ff5673451c650175af4196a69a24934","id":772193,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793193054727103,"prev":35479,"subject":"mcp_registry:io.github.cyanheads/ensembl-mcp-server","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x0669dc28310c29ff9bb4fcb3956aafe80e36814f8edc43431b75bb400ea72f93
2. 0x791c52d34842dad33ccda3e3fd20dfe670f60d41166b50cf502c8a8cff2d25de
3. 0x5f643816bd5bd1021453913a187cf2d687709d3b64f542432fdebc82784c7945
4. 0xdf07949ee63dfea1b0b44b00a8a88da3c7b89d12913bdcdf9a256fbfb6f813f1
5. 0xca9163465283ba27675dfc1d8092287930674a725bca66ce0984929a935d7ee6
6. 0xa6dc84e47d53fb82b4afe26900dc35971bf23c4063d05b3370003338b9b20b09
7. 0x3ac8ea6e1497f13a4853cc4e72d98ff2bc500d2b621fb9f61a3202b7c2c2a8ee
8. 0x2314bffb066facedd23203a6f3bfdebae00c30ca5fa68217fca2cc9c5f03b7a9
9. 0x04ceb987350d4f15d66df7a81c38d8e11c85c2ebee46e16832a2a26a974b6f27
10. 0x85248a58531a102f485107e5c3e10f8c0ca92c077f6d6a8b73224c6c94eb20b5
11. 0xcd27cdbdfbf6ad745984ae0f0433de8aebb0ed8e4df000e79f5f3af30c66010d
12. 0x9722c620cf81fff3efae49c1a81beb5abd16550ccb0add5141be4cd89a95ce68
13. 0x8dcd5f3419d7730712ce62dbc974d197b0e9c47ee96e0172cdc134c7a6bf73f2
14. 0xf3fd571846115a5778f2f20ec53a7e9b272de5f8737a627379966b3745ad5e29
15. 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
16. 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae