How to Use the Zippopotam.us MCP in Claude Code

Q: How do I check city codes with Zippopotam.us and Claude Code?

Pipe a list of cities into the server using lookupnearbycity. The terminal output gives you the associated zip codes and coordinates for every entry, ready for scripting.

Q: Can I find coordinates using Zippopotam.us and Claude Code?

Yes. Run lookuppostcode in your pipeline; it takes a postal code and outputs the precise latitude/longitude pair you need, all via standard output.

Process global postal code data from Zippopotam.us in the terminal.

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Connect Zippopotam.us MCP to Claude Code

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Setup Zippopotam.us with Claude Code

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Running location lookups via Claude Code

When you need to automate address validation, use `lookup_nearby_city`. Pipe a list of city names through this tool and get back a clean stream of associated zip codes. It's perfect for CI/CD pipelines. If your script relies on specific postal codes, pipe that data into the server using `lookup_postcode` to validate locations against known coordinates.

Automating location intelligence with MCP Server

This MCP Server allows you to write shell scripts that incorporate global postal code intelligence. You run a single command, and it processes the data stream into usable metrics. You can use the output of one tool—like finding zip codes from `lookup_nearby_city`—as the input for another script that requires coordinates.

Zippopotam.us in Claude Code

Need to run a bulk check of global addresses? Connect your pipeline and send it data that needs validation against Zippopotam.us. The MCP Server processes the lookups efficiently, returning structured text output. This is ideal for cron jobs or Docker containers where you must process location data without any GUI overhead.

Setup guide

Set up Zippopotam.us MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see zippopotamus-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Zippopotam.us transactions." It will automatically discover and invoke the available Zippopotam.us tools.

Terminal

claude mcp add --transport http zippopotamus-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

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Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Zippopotam.us MCP

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

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

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

Get your connection token →

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Common questions about Zippopotam.us MCP in Claude Code

Pipe a list of cities into the server using `lookup_nearby_city`. The terminal output gives you the associated zip codes and coordinates for every entry, ready for scripting.

Yes. Run `lookup_postcode` in your pipeline; it takes a postal code and outputs the precise latitude/longitude pair you need, all via standard output.

Run your script to chain both lookups. First, get zip codes from a city using `lookup_nearby_city`, and then feed those results into another stage that requires coordinate verification.

It supports lookups by city name and direct postal code input. You just need to ensure your shell script pipes the data correctly between tool calls.

This server handles public geographic metadata: city names, zip codes, and coordinates. It is non-sensitive location intelligence for automation purposes only.

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