xby-running-formulas: Running Calculation Service

xby-running-formulas is an MCP server plugin designed specifically for DeepSeek Harness, providing comprehensive running calculations. It integrates three formula systems—Jack Daniels, Riegel, and McMillan—and supports calculating VDOT, training paces, race time predictions, speed markers, and heart-rate zones. The plugin also offers general-purpose tools such as pace unit conversion. Developers must register on the official website to obtain an API key, and can perform complex exercise-science calculations through simple function calls.