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Postal Lookup MCP

Official registry Developer tools

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

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http postal-lookup-mcp 'https://ads.getlulu.dev/postal/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "postal-lookup-mcp": {
            "type": "http",
            "url": "https://ads.getlulu.dev/postal/mcp"
        }
    }
}

Frequently asked questions

What is Postal Lookup MCP?

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

How do I install Postal Lookup MCP?

It runs as a remote server. In Claude Code: claude mcp add --transport http postal-lookup-mcp 'https://ads.getlulu.dev/postal/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Postal Lookup MCP need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Postal Lookup MCP open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Postal Lookup MCP?

It is published by Lulu-The-Narwhal. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.