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mcp/harbor
Verified official

calculator mcp MCP

v1.0.1

io.github.tech-sushant/calculator-mcp

A simple Model Context Protocol calculator server

transport:stdio runtime:npm
View source

Target client

run in your project directory 

claude mcp add calculator-mcp -- npx -y @tech-sushant/calculator-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.