Glossary

MCP Server

A program that exposes tools and data to AI agents over the Model Context Protocol.

An MCP server is a process that implements the Model Context Protocol to expose a set of capabilities — tools, resources, and prompts — to any MCP-capable agent. Examples include servers for file systems, databases, browsers, issue trackers, and developer tooling.

Because MCP is a shared standard, one server can be reused across different agents and clients. That portability is why MCP servers have become a core building block for serious agent workflows.

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Related guides on the Agents UI blog and related terms in this glossary.

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Related

Model Context Protocol (MCP)

An open standard that lets AI agents connect to tools, data sources, and actions through a common interface.

AI Coding Agent

An AI program that autonomously reads, writes, and runs code to complete development tasks.

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