# calculator-mcp-server MCP server

Calculator MCP server — evaluate, simplify, and differentiate math expressions.

## Links
- Registry page: https://www.getdrio.com/mcp/io-github-cyanheads-calculator-mcp-server
- Repository: https://github.com/cyanheads/calculator-mcp-server

## Install
- Command: `npx -y @cyanheads/calculator-mcp-server`
- Endpoint: https://calculator.caseyjhand.com/mcp
- Auth: Not captured

## Setup notes
- Package: Npm @cyanheads/calculator-mcp-server v0.1.9
- Environment variable: CALC_MAX_EXPRESSION_LENGTH (default 1000)
- Environment variable: CALC_EVALUATION_TIMEOUT_MS (default 5000)
- Environment variable: CALC_MAX_RESULT_LENGTH (default 100000)
- Environment variable: MCP_LOG_LEVEL (default info)
- Package: Npm @cyanheads/calculator-mcp-server v0.1.9
- Environment variable: CALC_MAX_EXPRESSION_LENGTH (default 1000)
- Environment variable: CALC_EVALUATION_TIMEOUT_MS (default 5000)
- Environment variable: CALC_MAX_RESULT_LENGTH (default 100000)
- Environment variable: MCP_HTTP_HOST (default 127.0.0.1)
- Environment variable: MCP_HTTP_PORT (default 3010)
- Environment variable: MCP_HTTP_ENDPOINT_PATH (default /mcp)
- Environment variable: MCP_AUTH_MODE (default none)
- Environment variable: MCP_LOG_LEVEL (default info)
- Remote endpoint: https://calculator.caseyjhand.com/mcp

## Tools
- calculate (Calculate) - Evaluate math expressions, simplify algebraic expressions, or compute symbolic derivatives. One expression per call. Supports arithmetic, trigonometry, statistics, matrices, complex numbers, units, and combinatorics. Endpoint: https://calculator.caseyjhand.com/mcp

## Resources
- calculator://help - Calculator Help Available functions, operators, constants, and syntax reference. MIME type: text/markdown

## Prompts
Not captured

## Metadata
- Owner: io.github.cyanheads
- Version: 0.1.9
- Runtime: Npm
- Transports: STDIO, HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Apr 15, 2026
- Source: https://registry.modelcontextprotocol.io