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Learn how to use CrewAI + FastAPI to build a multi-agent chat API.

Model Context Protocol (MCP) is emerging as the next-generation bridge between AI models and external systems. Instead of relying on traditional REST endpoints or ad-hoc tool integrations, MCP provides a structured, JSON-RPC–based protocol that allows AI clients (such as LLM agents or copilots) to dynamically discover and call tools, retrieve resources, and use prompts defined by the server — all with standardized semantics and security controls.