Skip to content
mcp/harbor
Verified official

calculator mcp server MCP

v0.6.0 changelog · 7

io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

transport:streamable-http runtime:npm tools:1
View source

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

calculate

calculate

All 1 tools, one page each

2 resources you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.