CodePostalPro for Claude Code

com.codepostalpro/postal-codes

Postal lookups for 120 countries with cited sources; deep US tier: demographics, climate, area codes

client:Claude Code transport:streamable-http tools:7

Install CodePostalPro in Claude Code

run in your project directory

claude mcp add --transport http postal-codes https://api.codepostalpro.com/mcp

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