zip codes mcp for Claude Code

io.github.mrfentmen/zip-codes-mcp

Look up US postal codes, cities, and states from Zippopotam. No key required.

client:Claude Code transport:stdio runtime:npm

Install zip codes mcp in Claude Code

run in your project directory

claude mcp add zip-codes-mcp -- npx -y zip-codes-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs