diff --git a/README.md b/README.md
index f580638..bd1122d 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,7 @@ From there, it's easy to implement popular design patterns like ([Multi-](https:
 | [Thinking](https://github.com/The-Pocket/PocketFlow/tree/main/cookbook/pocketflow-thinking) | ★☆☆ <br> *Beginner*   | Solve complex reasoning problems through Chain-of-Thought |
 | [Memory](https://github.com/The-Pocket/PocketFlow/tree/main/cookbook/pocketflow-chat-memory) | ★☆☆ <br> *Beginner* | A chat bot with short-term and long-term memory |
 | [MCP](https://github.com/The-Pocket/PocketFlow/tree/main/cookbook/pocketflow-mcp) | ★☆☆ <br> *Beginner* |  Agent using Model Context Protocol for numerical operations |
+| [A2A](https://github.com/The-Pocket/PocketFlow/tree/main/cookbook/pocketflow-a2a) | ★☆☆ <br> *Beginner* | Agent wrapped with Agent-to-Agent protocol for inter-agent communication |
 | [Web HITL](https://github.com/The-Pocket/PocketFlow/tree/main/cookbook/pocketflow-web-hitl) | ★☆☆ <br> *Beginner* | A minimal web service for a human review loop with SSE updates |
 
 </div>