MCP (Model Context Protocol)
In one line: Anthropic's open standard for connecting AI assistants to data sources and tools. Like USB-C for AI.
Model Context Protocol (MCP) is an open standard introduced by Anthropic in late 2024. It lets AI assistants connect to external data sources and tools through a uniform protocol — analogous to how USB-C standardised hardware connectors.
Without MCP, every AI app needs custom integration code for every tool. With MCP, an MCP server (written once) can be used by Claude, ChatGPT, or any compatible AI client.
Common MCP servers: filesystem access, web fetch, Slack, GitHub, Postgres, your company's internal API. The MCP ecosystem grew quickly through 2025-2026.
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