Timezone Truth for Claude Code

com.gumballtools/timezone-truth

Convert times between IANA zones and detect skipped or ambiguous DST local times.

client:Claude Code transport:streamable-http tools:1

Install Timezone Truth in Claude Code

run in your project directory

claude mcp add --transport http timezone-truth https://timezone-truth.gumballtools.com/api/mcp

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