Model Context Protocol (MCP) is an open standard that enables AI assistants to securely connect to real-world data, tools, and services. Described as the 'USB-C for LLMs,' MCP provides a universal bridge between large language models and external systems, addressing authentication, streaming, and standardization challenges that existing REST APIs don't solve. The protocol supports both local and hosted server implementations, features a public registry for discoverability, and maintains vendor neutrality across AI providers. MCP serves as foundational infrastructure for agentic workflows where users interact with systems through natural language commands rather than traditional interfaces.
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