shikamaru for Claude Code
io.github.jayofemi/shikamaru
Provably correct day-count, calendar, business-day, and schedule math, verified against QuantLib.
client:Claude Code
transport:stdio
runtime:npm
Install shikamaru in Claude Code
run in your project directory
claude mcp add shikamaru -- npx -y @jayofemi/shikamaruAdds it for this project only. Append --scope user to make it available everywhere. Claude Code docs