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402registry

R0· no sign-in

Does an AI crawler see your site? Free registry lookup, x402 pricing; checks paid in USDC on Base.

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality100strong
Trust82of 100
Uptime, 30 days96%
Latency p50233 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "402registry": {
      "type": "http",
      "url": "https://402registry.com/mcp"
    }
  }
}
claude mcp add --transport http 402registry https://402registry.com/mcp
[mcp_servers.402registry]
url = "https://402registry.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "402registry": {
      "type": "remote",
      "url": "https://402registry.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "402registry": {
      "type": "http",
      "url": "https://402registry.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=402registry&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vNDAycmVnaXN0cnkuY29tL21jcCJ9"
}
{
  "servers": {
    "402registry": {
      "type": "http",
      "url": "https://402registry.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "402registry": {
      "httpUrl": "https://402registry.com/mcp"
    }
  }
}
extensions:
  "402registry":
    enabled: true
    name: "402registry"
    type: streamable_http
    uri: "https://402registry.com/mcp"
    timeout: 300

Quality 100 / 100strong

protocol100 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • pass
    protocol.list_ttltool list is cacheable (ttlMs 3600000)
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations4 of 4 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 423 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changes1 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 423 tokens to load them all · tool set 5ab6f3e0ca86 · tools last changed 2026-10-10 · checked 2026-10-20 11:08 UTC

Tool changes

  • get_pricingchangeddescription
    before

    Every product for sale — check packs, the quick review and the catalog snapshot — with its price, the query parameters the paid request needs, and the exact x402 v2 payment requirements. Call this before buying.

    after · 87% of words in common

    Every product for sale — the check (one payment, one check) and the catalog snapshot — with its price, the query parameters the paid request needs, and the exact x402 v2 payment requirements. Call this before buying.

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 82 / 100

no-repository
provenance55
liveness98
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-96% +updated-13d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://402registry.com/mcp streamable-httpnoneyes96%233 ms2026-07-282026-10-20

Tools (4)

get_docsread-onlyThe whole machine guide as JSON: quickstart, what each verdict means, packs, the rules every check runs, and every public route.
get_pricingread-onlyEvery product for sale — the check (one payment, one check) and the catalog snapshot — with its price, the query parameters the paid request needs, and the exact x402 v2 payment requirements. Call this before buying.
get_service_statusread-onlyWhether the service is selling right now, in which mode and on which network, and if not, why not. This is configuration, not liveness: the health endpoint is at /health.
lookup_siteread-onlyFree. The last dated verdict for a website, if it was ever checked and listed: verdict, score, date and badge. An unknown site is a normal answer (known: false), not an error. To get a fresh check, buy one (see get_pricing).

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.402registry/402registry",
  "title": "402registry",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://402registry.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://402registry.com",
  "description": "Does an AI crawler see your site? Free registry lookup, x402 pricing; checks paid in USDC on Base."
}