Evidence row 54846

What was observed

{
  "endpoints": [
    [
      "web",
      "https://x402.webbersites.com/"
    ]
  ],
  "name": "io.github.webberdesign/webbersites-x402-mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-07-09T00:57:12.078707Z",
        "status": "active",
        "statusChangedAt": "2026-07-09T00:57:12.078707Z",
        "updatedAt": "2026-07-09T00:57:12.078707Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "45 pay-per-call AI agent tools + wallet-owned agent memory. Scraping, SEO, lint, crypto. x402 USDC",
      "name": "io.github.webberdesign/webbersites-x402-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "0x… private key of a dedicated hot wallet holding USDC on Base mainnet; each tool call pays for itself. Omit to run in quote mode (tools return prices and payment requirements instead of data).",
              "isSecret": true,
              "name": "EVM_PRIVATE_KEY"
            },
            {
              "description": "Maximum USD price per call; more expensive tools are refused before any payment. Default 0.50 (10x headroom — prices currently range $0.001-$0.05); lower it to cap spend harder.",
              "name": "X402_MAX_PRICE"
            }
          ],
          "identifier": "webbersites-x402-mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.3.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/webberdesign/webbersites-x402-mcp"
      },
      "version": "0.3.0",
      "websiteUrl": "https://x402.webbersites.com"
    }
  },
  "source": "mcp_registry",
  "summary": "45 pay-per-call AI agent tools + wallet-owned agent memory. Scraping, SEO, lint, crypto. x402 USDC"
}

What the leaf hashes

{"body":"1885a0815c7de9d7923a0990a8816ad73b75b8544708fe2025b7c387033f6c07","id":54846,"kind":"listing","method":"baseline/1","observed_us":1793025434231259,"prev":null,"subject":"mcp_registry:io.github.webberdesign/webbersites-x402-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. 0xfbacc4748bf3d8aedc4fc99b0fd154dfabc62c2db164fa2cddcb0524e3789a16
2. 0xe2d707a053bc2a0de78bfef7c3a6b31a130220b82743f61af29ce7fe38f2d32a
3. 0x964e8f30c0f39dfea7e6bfc5c674123506ff89499496a94d6531743fa5483d9b
4. 0x041cdcd032d47f8bbea255769050ccbc53c74692d65e5067950bc4269783923b
5. 0xbb2a00365b1b93eb837f25531e4c2063ef10aa64147b6f434f8fbdcd4d639677
6. 0x31e6666b0108c8ab9b409e84200b9feec1ce26e0e97e9447c789e4d6ee334c4c
7. 0xe5c87a93baa4e3532867c0d7528b4f255f487e217357e465397820e30d6c2221
8. 0x2e382582569ea0330cad61490ff885eb60795ef2a75ca70b164c2381ef655bc7
9. 0x8183990dab02ad23a9f5e7a2bc44f5c200aeecae546c5cce43a2c3de87f149e6
10. 0x5a686e4901521125a8b452665ac2984aa9cdf4a4bb0c87e06113a6fe84429ad2
11. 0xcf10f42f956ec0f58e8d60fb00e23c6415064b00d70e8566efe0f1b98e7e1d0a
12. 0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae