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Model Context Protocol Lets AI Assistants Interact With External Tools and Data

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The Model Context Protocol (MCP) enables AI clients such as Claude, VS Code, and Cursor to connect with external tools, databases, and services through a standardized interface called an MCP Server. Acting as a universal translator, an MCP Server transforms an AI from a simple chat tool into an assistant capable of executing real-world tasks. A single MCP server can serve multiple clients and is configured via JSON files, making setup relatively straightforward for developers. Developers can build custom MCP servers using the official TypeScript/JavaScript SDK, defining resources, tools, and reusable prompt templates. Security is flagged as a critical consideration, since the protocol grants AI systems direct access to external environments and data sources.

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