calculator-mcp-server MCP Server

Connect to calculator-mcp-server

Hosted endpoint — paste into any MCP client.

Environment variables

Configuration this server reads at startup.

• CALC_MAX_EXPRESSION_LENGTH

  Maximum allowed expression string length.

• CALC_EVALUATION_TIMEOUT_MS

  Maximum evaluation time in milliseconds.

• CALC_MAX_RESULT_LENGTH

  Maximum result string length in characters.

• MCP_LOG_LEVEL

  Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').

• CALC_MAX_EXPRESSION_LENGTH

  Maximum allowed expression string length.

• CALC_EVALUATION_TIMEOUT_MS

  Maximum evaluation time in milliseconds.

• CALC_MAX_RESULT_LENGTH

  Maximum result string length in characters.

• MCP_HTTP_HOST

  The hostname for the HTTP server.

• MCP_HTTP_PORT

  The port to run the HTTP server on.

• MCP_HTTP_ENDPOINT_PATH

  The endpoint path for the MCP server.

• MCP_AUTH_MODE

  Authentication mode to use: 'none', 'jwt', or 'oauth'.

• MCP_LOG_LEVEL

  Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').

Resources

Where to find authoritative docs and source for calculator-mcp-server.

• Source repository