Your Claude Code, Cursor, and Gemini CLI are cluttered with MCP Servers, but you have no idea which ones are working and which aren't? This guide will help you sort it all out. What is MCP? MCP (Model Context Protocol) is an open standard introduced by Anthropic in late 2024. It defines how AI models connect to external tools, databases, and services through a unified JSON-RPC 2.0 interface. In simple terms: MCP is the "USB-C port" for AI coding tools . Before MCP, each AI tool had its own plugin system. Cursor used one way to connect external services, Claude Desktop used another, and Claude Code used a third. MCP unifies everything. The MCP Server Explosion Problem As MCP adoption grows, a new problem emerges: MCP server sprawl .…