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mcp/harbor
Verified official

calculator mcp server MCP

v0.4.3

io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

transport:streamable-http runtime:npm
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Target client

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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.