Calc Mcp

Calc MCP is an open-source Model Context Protocol (MCP) server that provides 21 deterministic and secure tools to add reliable math, cryptographic randomness, date arithmetic, encoding, hashing, and more to any LLM or AI workflow. Calc MCP solves problems where LLMs hallucinate results or struggle (like math, UUID generation, and date/time handling) by running all calculations locally with no data sent to external servers. It's ideal for AI developers integrating with Claude Desktop, VS Code Copilot, Cursor, and any MCP-compatible client who need deterministic outputs for computations AI alone can't do with reliability or security.