docs: enhance README with project overview and component details

Author: iipanda

README.md

@@ -1,3 +1,19 @@
 # AgentBridge
 
-This monorepo contains the Agentbridge client library and CLI tool for processing and transforming APIs into the AgentBridge Protocol format.
+This monorepo contains the AgentBridge client library and CLI tool for processing and transforming APIs into the AgentBridge Protocol format.
+
+## Overview
+
+AgentBridge simplifies the process of making APIs accessible to AI agents by transforming traditional API specifications into a standardized format optimized for agent consumption. The project consists of two main components:
+
+1. **CLI Tool**: Convert OpenAPI/Swagger specifications to AgentBridge Protocol format
+2. **Client Library**: Interact with APIs using AgentBridge Protocol schemas
+
+## Components
+
+- [CLI Tool](packages/cli/README.md) - Command-line interface for converting API specifications
+- [Client Library](packages/client/README.md) - TypeScript library for interacting with AgentBridge-compatible APIs
+
+## Getting Started
+
+Check the component-specific READMEs linked above for detailed usage instructions.