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mcp/harbor
Verified official

zip codes mcp MCP

v1.0.0

io.github.mrfentmen/zip-codes-mcp

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

transport:stdio runtime:npm
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Target client

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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.