# Model Context Protocol

An open standard, started by Anthropic in 2024 and now run under the Linux Foundation, for connecting AI systems and agents to outside tools and data in one common way.

Wikipedia says: “The Model Context Protocol (MCP) is an open standard and open-source framework introduced by Anthropic in November 2024 to standardize the way artificial intelligence (AI) systems like large language models (LLMs) integrate and share data with external tools, systems, and data sources.”

Also called: MCP

The other half: A2A

Related: Tool

Source: https://redfinchadvisory.com/lexicon/model-context-protocol (version 1.0, changed 2026-10-21)