How to Use the Zippopotam.us MCP in Claude

Q: If I use Zippopotam.us data, what kind of inputs should I provide to Claude Desktop?

You need to provide either a city name for lookupnearbycity or a specific postal code string for lookuppostcode. The tool expects these plain strings.

Get live location data right inside your Claude Desktop app.

See Vinkius in Action

Works with every AI agent you already use

…and any MCP-compatible client

MCP Servers - Free for Subscribers

Connect Zippopotam.us MCP to Claude Desktop

Create your Vinkius account to connect Zippopotam.us to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

GDPR Free for Subscribers

Setup Zippopotam.us with Claude Desktop

Ask AI about this MCP

ChatGPT

Claude

Perplexity

Use the MCP Server for City Lookups

When you run `lookup_nearby_city`, it finds zip codes based on a city name. This means if you know 'Austin' but need the corresponding postal code range, your agent handles that lookup and gives you the raw data. You can pass any city name to this tool, and Claude Desktop executes the call using the MCP Server. It returns the precise list of zip codes associated with that location, letting you build out databases without leaving the chat.

Resolve Locations by Postcode

Need to know what a specific postal code means? Use `lookup_postcode`. This tool takes an exact ZIP and tells you exactly where that location is, including state and coordinates. This is perfect for validating user input. Instead of just accepting a zip code string, your agent validates it against the global intelligence provided by the MCP Server.

Access Global Postal Intelligence

The overall Zippopotam.us MCP Server gives you global postal code intelligence. It’s not just one tool; it's a data source that lets your agent query city, state, and coordinates using zip codes. Your AI client interacts with this server to perform complex geo-data queries, treating the entire collection of tools as one powerful backend service.

Setup guide

Set up Zippopotam.us MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The Zippopotam.us MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the Zippopotam.us MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under zippopotamus-mcp.

json

{
  "mcpServers": {
    "zippopotamus-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Zippopotam.us. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

Why Choose Vinkius

Vinkius connects your tools to AI with real-time monitoring and automatic cost savings — all from one dashboard.

Connect Zippopotam.us now

Real-time monitoring

Live

visibility into every interaction

Connect your favorite tools to your AI and see exactly what's happening — every request, every response, in real time.

Built-in savings

60%

lower AI costs

Vinkius compresses data between your apps and your AI automatically. Lower bills every month — no configuration required.

Single dashboard

One

place for every integration

Every tool your AI connects to, managed from a single screen. One account, complete control.

Common questions about Zippopotam.us MCP in Claude Desktop

You access this data through your local MCP Server configuration in Claude Desktop. Simply call the tool name, and your agent handles the connection to Zippopotam.us for you.

Yes. Since it’s an MCP Server, you configure it in the Developer settings within the Claude Desktop app. This lets your agent run the tool locally as a subprocess.

You need to provide either a city name for `lookup_nearby_city` or a specific postal code string for `lookup_postcode`. The tool expects these plain strings.

The MCP Server handles the querying and fetching of the necessary data points, returning structured results that your agent can then process within the chat window.

It exclusively touches geographical location data: zip codes, city names, state abbreviations, and latitude/longitude coordinates.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

OpenAI Agents SDK sdk-python

Google ADK sdk-python

Pydantic AI sdk-python