Artificial intelligence · 2024
Model Context Protocol
An open standard for plugging tools and data into any AI assistant.
Anthropic open-sourced MCP on November 25, 2024, a client-server protocol for exposing tools, resources and prompts to models. OpenAI, Google and Microsoft adopted it in 2025, and it became the common connector layer for agents.
What it built on 1
What it led to 1
Related measurements
The dashed line marks when it first worked.
Training compute of notable AI models Source: Epoch AI, Notable AI Models (CC BY 4.0)
ML hardware FLOP/s per dollar Source: Epoch AI, ML hardware (CC BY 4.0)