The Code Explainer MCP functions as an automated code analysis tool deployed on Cloudflare Workers. It interprets source code in various languages by recognizing patterns, dependencies, and documentation comments, then produces detailed explanations including architecture diagrams, core functionalities, and component descriptions. This aids developers, educators, and code reviewers by providing quick, in-depth insights into code structure and behavior without manual review. Its secure API supports integration into development workflows, making code comprehension more efficient and accessible for users working with complex or unfamiliar codebases.