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Claude Code

almanac for Claude Code

io.github.savecharlie/almanac

Verified ephemeris & WMM2025 geomagnetic compute: the physical numbers LLMs hallucinate, done right.

client:Claude Code transport:stdio runtime:pypi

Install almanac in Claude Code

run in your project directory

claude mcp add almanac -- uvx almanac-compute

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

almanac in other clients