Overview
Model Context Protocol (MCP) is "HTTP for agents" - a standardized protocol for secure context and tool exchange between AI systems.
Core Operations
Tool Discovery
Agents advertise available tools with standardized schemas describing inputs, outputs, and requirements.
Resource Exchange
Request and provide data/context in standardized formats. Supports streaming for large payloads.
Capability Negotiation
Agents agree on supported features, versions, and constraints before interaction.
Security Features
- Built-in authentication and authorization
- Rate limiting and quotas
- Audit logging
- Access control policies
Ecosystem
MCP is endorsed by Microsoft and integrated into major frameworks:
- AutoGen
- LangChain
- CrewAI
Integration
- Implement MCP server for your agent's tools
- Register tools with capability descriptions
- Expose MCP endpoints for discovery
- Handle tool invocation requests
References
- Microsoft Agent Framework documentation
- AutoGen MCP integration guide