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MCP

noun \ˌem-ˌsē-ˈpē\

also Model Context Protocol

TopicAgents & Tools First known use2024 Senses1
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Definition of MCP

  1. : Model Context Protocol: an open standard for connecting AI applications to outside tools and data sources, so one connector can work with many different AI apps

    • There's an MCP server for our database, so any MCP-compatible assistant can query it.
    • MCP is often described as 'USB-C for AI'.

Origin & history

first known use2024

Released as an open standard by Anthropic in November 2024 and adopted by other major AI companies during 2025.

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Related terms

tool use a model's ability to call external tools, such as a search engine, calculator, code runner, or… function calling an API feature in which a model, instead of replying in plain text, outputs a structured… A2A Agent2Agent: an open protocol that lets AI agents built by different companies discover each… API application programming interface: a defined way for one program to send requests to another…

Cite this entry

"MCP." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/mcp/. Accessed 4 Oct. 2026.

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