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Model Context Protocol (MCP) - Definition & Technical Explanation | Tecrese Glossary | Tecrese

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Glossary Definition

Model Context Protocol (MCP)

Plain English / TL;DR

MCP is like a universal adapter that lets AI assistants plug into different tools and data sources in a standard way.

Definition

An open protocol that standardizes how AI applications connect to external data sources and tools.

Technical Architecture

MCP uses a client-server architecture where MCP hosts (AI applications) connect to MCP servers that expose resources, tools, and prompts. It uses JSON-RPC 2.0 over stdio or HTTP+SSE transports. Servers can expose tools (functions the model can call), resources (data the model can read), and prompts (reusable templates).