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MCP Client

Reviewed 19 July 2026Canonical definitionPart of: MCP & Agent Protocol Terms →

An MCP client is the part of an AI application or host environment that connects to MCP servers, authenticates, discovers available capabilities, and invokes tools on behalf of a user or agent workflow.

§01 / QUESTIONSterm: MCP Client
Questions

Common questions.

What is MCP Client?

An MCP client is the part of an AI application or host environment that connects to MCP servers, authenticates, discovers available capabilities, and invokes tools on behalf of a user or agent workflow.

Which terms are related to MCP Client?

Closely related concepts include MCP Server Discovery, MCP Server Registry, Agent Capability, AI Agent. Each is defined in the Prefactor glossary.

§02 / RELATEDnext: where this fits
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Where this fits.

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