{
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-04",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "tool": {
    "category": "observability",
    "endpoint": "https://x402-listing-monitor.acjlabs.com/mcp",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/acjlabs-x402-listing-monitor.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/acjlabs-x402-listing-monitor.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/acjlabs-x402-listing-monitor.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 177,
        "counts": {
          "error": 0,
          "note": 1,
          "warn": 2
        },
        "findings": [
          {
            "rule": "TC11",
            "severity": "warn",
            "tool": "check_listing_health",
            "message": "none of its 2 parameters has a description",
            "fix": "Describe each one: format, units, an example, and what happens when it's left out."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "check_listing_health",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"check\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC24",
            "severity": "note",
            "message": "1 of 1 tools have no outputSchema",
            "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
          }
        ]
      },
      "checkedAt": "2026-10-04T22:21:50Z",
      "count": 1,
      "schemaTokens": 177,
      "status": "ok",
      "tools": [
        {
          "name": "check_listing_health",
          "description": "Checks whether a seller's x402 Bazaar resources are currently listed under the given payTo address in the public discovery catalog. Flags each resource as listed or missing — the same per-seller diff the registered poller runs on a schedule, run once on demand for a payTo/resources pair whether or not it has been registered with this service.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "properties": {
              "payTo": {
                "pattern": "^0x[a-fA-F0-9]{40}$",
                "type": "string"
              },
              "resources": {
                "items": {
                  "type": "string"
                },
                "maxItems": 200,
                "minItems": 1,
                "type": "array"
              }
            },
            "required": [
              "payTo",
              "resources"
            ],
            "type": "object"
          }
        }
      ]
    },
    "name": "x402 Bazaar Listing Monitor",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": null,
    "pageJsonUrl": "https://www.anchorterminal.com/tools/acjlabs-x402-listing-monitor.json",
    "popularity": {
      "githubStars": 1
    },
    "registryName": "com.acjlabs/x402-listing-monitor",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://x402-listing-monitor.acjlabs.com/mcp"
      }
    ],
    "repository": "https://github.com/acjlabs/x402-listing-monitor",
    "reviewed": false,
    "slug": "acjlabs-x402-listing-monitor",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=com.acjlabs/x402-listing-monitor",
    "summary": "Checks x402 Bazaar resource listings against the public discovery catalog and flags drops.",
    "updatedAt": "2026-08-02T04:54:40Z",
    "url": "https://www.anchorterminal.com/tools/acjlabs-x402-listing-monitor",
    "vendor": "acjlabs.com",
    "vendorUrl": "https://acjlabs.com/products",
    "version": "0.1.0",
    "websiteUrl": "https://acjlabs.com/products",
    "where": "hosted",
    "why": [
      "vendor"
    ]
  }
}