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Model Context Protocol (MCP)
A standard two-way connection between LLMs and real-time data sources.
First published Dec 2025 · Updated 2d ago
Why MCP?
Model Context Protocol (MCP) solves the "frozen knowledge" limitation of LLMs by providing a standardized, two-way connection to various data sources and tools, such as BigQuery or Cloud SQL. It allows agents to access the real-time enterprise data necessary for accurate decision-making.
How Do MCP Servers Work?
The Model Context Protocol (MCP) standardizes how a host (Client/LLM App) can interact with collections of tools and resources through external servers (MCP servers). The communication flow is shown through the sequence diagrams below.
What It Enables
- Standardized access to enterprise systems and tools.
- Safer, auditable data retrieval for agent decisions.
- Real-time grounding beyond static model training data.