calculator mcp server for Windsurf

io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

client:Windsurf transport:streamable-http runtime:npm tools:1

Install calculator mcp server in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

{
  "mcpServers": {
    "calculator-mcp-server": {
      "serverUrl": "https://calculator.caseyjhand.com/mcp"
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs