localecheck for Claude Code

io.github.qinisolabs/localecheck

Verified locale data for AI agents: dates, phone, currency, tax, holidays, addresses (UK/US)

client:Claude Code transport:stdio runtime:npm

Install localecheck in Claude Code

run in your project directory

claude mcp add localecheck -- npx -y localecheck

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