Evidence row 1479989

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/vulinh1704/spend-guard"
    ]
  ],
  "name": "Spend Guard",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T09:19:37.221151Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T09:19:37.221151Z",
        "updatedAt": "2026-10-31T09:19:37.221151Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Budgets, payee allowlists, price-spike checks and human approval for agents paying x402 paywalls",
      "name": "io.github.vulinh1704/spend-guard",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Policy JSON file: networks, budgets, approval amount, spike ratio, known services and their payees. Without one, every payment waits for your approval.",
              "format": "filepath",
              "name": "SPEND_GUARD_POLICY"
            },
            {
              "default": "mock",
              "description": "How to pay: mock (pays nothing), near, arc, gateway, or a comma list. arc and gateway need ARC_PRIVATE_KEY, near needs NEAR_ACCOUNT_ID and NEAR_PRIVATE_KEY.",
              "name": "SPEND_GUARD_RAILS"
            },
            {
              "description": "Decisions file, read back on start so a restart keeps today's spend; servers on one file share one budget. Default ~/.spend-guard/ledger.jsonl; off keeps it in memory.",
              "format": "filepath",
              "name": "SPEND_GUARD_LEDGER"
            },
            {
              "default": "4400",
              "description": "Port of the approval dashboard on 127.0.0.1. 0 picks a free one; off means no dashboard, and payments that need approval are declined.",
              "name": "SPEND_GUARD_DASHBOARD_PORT"
            },
            {
              "default": "55",
              "description": "Seconds a payment waits for your answer before it is declined. Raise it together with your client's tool timeout.",
              "format": "number",
              "name": "SPEND_GUARD_APPROVAL_TIMEOUT"
            },
            {
              "default": "near-testnet",
              "description": "Network the mock rail pretends to pay on.",
              "name": "SPEND_GUARD_MOCK_NETWORK"
            },
            {
              "description": "Agent key for the arc and gateway rails. Testnet keys only.",
              "isSecret": true,
              "name": "ARC_PRIVATE_KEY"
            },
            {
              "description": "Agent account for the near rail (testnet).",
              "name": "NEAR_ACCOUNT_ID"
            },
            {
              "description": "Agent key for the near rail. Testnet keys only.",
              "isSecret": true,
              "name": "NEAR_PRIVATE_KEY"
            }
          ],
          "identifier": "@vulinh1704/spend-guard",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp"
            }
          ],
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/vulinh1704/spend-guard"
      },
      "title": "Spend Guard",
      "version": "0.2.0",
      "websiteUrl": "https://github.com/vulinh1704/spend-guard#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "Budgets, payee allowlists, price-spike checks and human approval for agents paying x402 paywalls"
}

What the leaf hashes

{"body":"f1e58f1b443cc473c0493e27f6277424a9b8c70cb684ff827eaa16cb54111601","id":1479989,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793441755527055,"prev":null,"subject":"mcp_registry:io.github.vulinh1704/spend-guard","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xb2d3316e2e689bb53135d57804403076e469ac302d7633802ba31a5589809aac
2. 0x3646903da0aa2a7df7dbfa14755baf58bb212af48da67e0d0ba96a07580a1e3e
3. 0xe8a87e6d9f975d157c3d0f6b9ed7c5fc80b21ad935acb11b6c29e7227d73c004
4. 0xb0f9ca6cebc93aa6e3b47f76dc4f1e1e7513591445b35f2655007d234e896623
5. 0xe227a11921dbbf005975bac1c32df0ba53ec9f115b73e4170cce96916e18a725
6. 0x845cf5a68d8b0a23d6f08f6e81decdb5fadf83c5f8c4f7223cfa55b875730e35
7. 0x1b0d54d19f8fd71b8373a2a5871822cb510fcf685fff0060ea1837f22282652f
8. 0x2d30901b891fdf0647b2976252637e21c950b5e6779b73ea6374aeb5795e0c7a
9. 0xd171caa862895462b855ac8ee74147466cfa601855e4893aa30591c95825cc90
10. 0x3e33a796f22b48876daa3d0887de153e16d62cef8e95285a322447da4b1c71be
11. 0x2d3d5a3a9e470b1df6a1bff3880777c94c30e8e3a3884417149a2533c9ef2454
12. 0x5ae0a7b65cc56319c356f6c30697c26127f3d1e7e67bb05a5e0fbc4d103968fd
13. 0xc3ddb373f637398d9ec8fb5c1463a1261a97d1401cfa2b7e180df020e4d48003
14. 0x8185eeafe9adefad89b2d62fb2c2a6beb3fde0409e51deb7d5c1a3c4cb40d65a
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0