Postal Lookup MCP server

Postal Lookup is a remote MCP server that gives an AI agent 1 tool, among them lookup_postal_code. It answers at https://ads.getlulu.dev/postal/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 11 September 2026; the last check, on 20 October 2026, succeeded.

Free, keyless postal/ZIP code lookup: place name(s), state/region, and coordinates.

Description as the publisher wrote it.

The 1 tool Postal Lookup offers

Add Postal Lookup to your AI client

Every block below points at https://ads.getlulu.dev/postal/mcp. Pick your client and copy.

claude mcp add --transport http postal-lookup https://ads.getlulu.dev/postal/mcp

{
  "mcpServers": {
    "postal-lookup": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://ads.getlulu.dev/postal/mcp"]
    }
  }
}

{
  "mcpServers": {
    "postal-lookup": {
      "url": "https://ads.getlulu.dev/postal/mcp"
    }
  }
}

{
  "servers": {
    "postal-lookup": {
      "type": "http",
      "url": "https://ads.getlulu.dev/postal/mcp"
    }
  }
}

{
  "context_servers": {
    "postal-lookup": {
      "url": "https://ads.getlulu.dev/postal/mcp"
    }
  }
}

{
  "mcpServers": {
    "postal-lookup": {
      "serverUrl": "https://ads.getlulu.dev/postal/mcp"
    }
  }
}

{
  "mcpServers": {
    "postal-lookup": {
      "url": "https://ads.getlulu.dev/postal/mcp"
    }
  }
}

name: Postal Lookup
version: 0.0.1
schema: v1
mcpServers:
  - name: Postal Lookup
    type: streamable-http
    url: https://ads.getlulu.dev/postal/mcp

{
  "mcpServers": {
    "postal-lookup": {
      "httpUrl": "https://ads.getlulu.dev/postal/mcp"
    }
  }
}

{
  "mcpServers": {
    "postal-lookup": {
      "type": "http",
      "url": "https://ads.getlulu.dev/postal/mcp"
    }
  }
}

{
  "mcpServers": {
    "postal-lookup": {
      "url": "https://ads.getlulu.dev/postal/mcp"
    }
  }
}

goose://extension?url=https%3A%2F%2Fads.getlulu.dev%2Fpostal%2Fmcp&type=streamable_http&id=postal-lookup&name=Postal%20Lookup

Is Postal Lookup up right now?

It answered our last check on 20 October 2026 in 168 ms. Over 6 checks since 11 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to Postal Lookup

Questions about Postal Lookup

How many tools does Postal Lookup have?

1, as returned by the server's own tools/list on 12 September 2026: lookup_postal_code.

Is Postal Lookup down?

It answered our last check on 20 October 2026 in 168 ms. Over 6 checks since 11 September 2026 it answered 6.

How do I add Postal Lookup to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://ads.getlulu.dev/postal/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does Postal Lookup need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: io.github.lulu-the-narwhal. Endpoint host: ads.getlulu.dev. ARD identifier: urn:air:io.github.lulu-the-narwhal:mcp:postal-lookup-mcp. First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.