A comprehensive chess analysis MCP server that integrates Stockfish engine evaluation, thematic analysis, opening databases, puzzle training, and game visualization, providing advanced chess analysis and game improvement functions.

Nano Agent is an experimental small engineering proxy MCP server that supports multi-provider LLM models, used to test and compare the proxy capabilities of cloud and local LLMs in terms of performance, speed, and cost. The project includes a multi-model evaluation system, a nested agent architecture, and a unified tool interface, supporting providers such as OpenAI, Anthropic, and Ollama.

MCP Expr-Lang is a powerful expression evaluation tool designed for Claude Desktop, based on the Model Context Protocol (MCP) and the expr-lang engine, supporting complex data operations, calculations, and conversions.