calculator mcp server for VS Code

io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

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

Install calculator mcp server in VS Code

.vscode/mcp.json

{
  "servers": {
    "calculator-mcp-server": {
      "type": "http",
      "url": "https://calculator.caseyjhand.com/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs