diff --git a/.copilot-instructions.md b/.copilot-instructions.md
index d2d0979..b22dc8a 100644
--- a/.copilot-instructions.md
+++ b/.copilot-instructions.md
@@ -10,11 +10,12 @@ This project implements a hierarchical MCP (Model Context Protocol) server syste
 - **Specialized Agents**: Each agent handles specific domains (Azure DevOps, Database, etc.)
 - **MCP Server Integration**: Each specialized agent connects to dedicated MCP servers
 - **Configuration-Driven**: YAML/JSON configuration for agent setup and routing
+- **FastMCP**: The main MCP server implementation MUST use FastMCP as the protocol and server library. No other MCP server implementation is allowed for the entry point.
 
 ## Key Components
 
 ### 1. MCP Server (Entry Point)
-- Implements MCP protocol
+- Implements MCP protocol using **FastMCP** (mandatory)
 - Receives requests from clients
 - Forwards to AutoGen moderator
 - Returns responses back to clients
@@ -112,6 +113,7 @@ routing_rules:
 
 ### Key Technologies
 - **Python 3.12+** (3.13+ preferred when available)
+- **FastMCP**: Mandatory for the main MCP server implementation
 - **AutoGen**: Multi-agent framework
 - **MCP SDK**: Model Context Protocol implementation
 - **FastAPI**: Modern web framework for Web UI