date math mcp for Claude Code

io.github.mrfentmen/date-math-mcp

Business-day counting, date shifting and calendar differences with holiday support - fully local.

client:Claude Code transport:stdio runtime:npm

Install date math mcp in Claude Code

run in your project directory

claude mcp add date-math-mcp -- npx -y @mrfentmen/date-math-mcp

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