Install Zip Codes in Claude Code
claude mcp add zip-codes -- npx -y zip-codes-mcp{
"mcpServers": {
"zip-codes": {
"command": "npx",
"args": [
"-y",
"zip-codes-mcp"
]
}
}
}Frequently asked questions
What does the Zip Codes MCP server do?
Look up US postal codes, cities, and states from Zippopotam. No key required.
Is the Zip Codes MCP server free?
Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.
Does Zip Codes run locally or remotely?
Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.
How do I add Zip Codes to Claude Code?
Run: claude mcp add zip-codes -- npx -y zip-codes-mcp
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