calculator mcp server for Claude Code

io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

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

Install calculator mcp server in Claude Code

run in your project directory

claude mcp add --transport http calculator-mcp-server https://calculator.caseyjhand.com/mcp

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