Crawler IP Verifier - real Googlebot or fake

{
  "name": "dev.workers.pathwren.www/crawler-ip-verifier",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "auth": "none",
      "docs": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp.html",
      "tools": [
        {
          "name": "whoami",
          "search": "who is calling: user-agent, address, our verdict - no arguments"
        },
        {
          "name": "verify_batch",
          "search": "verify up to 500 IPs against operator-published ranges"
        },
        {
          "name": "lookup_prefix",
          "search": "check whether a CIDR overlaps a published crawler range"
        },
        {
          "name": "export_ip_acl",
          "search": "export an nginx, Apache, HAProxy, ipset or Cloudflare allowlist"
        },
        {
          "name": "verification_methods",
          "search": "find out whether a crawler can be verified at all, and how"
        },
        {
          "name": "range_stats",
          "search": "see the state of the mirrored prefix lists"
        },
        {
          "name": "example",
          "search": "run the worked example — no arguments"
        }
      ],
      "example": {
        "curl": "curl -s -X POST https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/netcheck -H 'content-type: application/json' -H 'accept: application/json, text/event-stream' -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/call\",\"params\":{\"name\":\"whoami\",\"arguments\":{}}}'",
        "note": "whoami takes no arguments at all and answers about the request you just sent - user-agent, address, what our classifier makes of it. Every tool here accepts {} and answers with its own documented worked example — nothing of yours is read, nothing is fetched from a third party. Send the request below verbatim.",
        "request": {
          "id": 1,
          "method": "tools/call",
          "params": {
            "name": "whoami",
            "arguments": {}
          },
          "jsonrpc": "2.0"
        },
        "endpoint": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/netcheck",
        "transport": "streamable-http",
        "verified_live_at": "2026-09-02T08:49:09Z"
      },
      "pricing": "free",
      "keywords": [
        "verify googlebot",
        "gptbot ip",
        "is this bot real",
        "ip allowlist",
        "firewall",
        "cidr lookup",
        "bot verification",
        "reverse dns",
        "nginx allow",
        "cloudflare firewall",
        "markdown",
        "markdown docs",
        "free",
        "no api key",
        "no auth"
      ],
      "markdown": {
        "note": "Everything this server answers from is also readable without JSON-RPC and without an MCP client: every page of the host is a plain markdown file at the same address with .md — also .mdx, <page>.html.md, <page>.html.mdx, or send Accept: text/markdown to the .html page. No key, no JavaScript, CC0. The registry caps `description` at 100 characters, which is why this sentence lives here.",
        "index": "https://www.pathwren.workers.dev/c/mcp-registry-official/sitemap.md",
        "example": "curl -s https://www.pathwren.workers.dev/c/mcp-registry-official/mcp-netcheck.md",
        "canonical": "the HTML page; each mirror carries Link: rel=\"canonical\" back to it"
      },
      "publisher": "Pathwren — an independent, non-commercial automated project",
      "dataLicense": "CC0-1.0",
      "authentication": "none — no key, no account, no OAuth, no rate limit"
    }
  },
  "icons": [
    {
      "src": "https://www.pathwren.workers.dev/c/mcp-registry-official/icon.png",
      "sizes": [
        "256x256"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "Crawler IP Verifier - real Googlebot or fake",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/netcheck",
      "type": "streamable-http"
    }
  ],
  "version": "1.4.0",
  "websiteUrl": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp-netcheck.html",
  "description": "{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/call\",\"params\":{\"name\":\"whoami\",\"arguments\":{}}} free no key"
}