xby-calculator: DeepSeek Harness Calculator Plugin

xby-calculator is an MCP calculator plugin in the DeepSeek Harness (DSH) ecosystem, designed to address challenges faced by models in precise mathematics, finance, and complex computations. It covers 13 specialized modules, including basic arithmetic, matrix operations, financial calculations, and number theory. Users need to install the plugin using a specific command and register to obtain an API key. Additionally, note that certain functions have input value restrictions.