finish mcp tutorial

README.md

@@ -80,7 +80,7 @@ From there, it's easy to implement popular design patterns like ([Multi-](https:
 | [Parallel Flow](https://github.com/The-Pocket/PocketFlow/tree/main/cookbook/pocketflow-parallel-batch-flow) | ★☆☆ <br> *Beginner*   | A parallel image processing demo showing 8x speedup with multiple filters |
 | [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 merical operations |
 
 </div>
 

cookbook/pocketflow-mcp/README.md

@@ -37,6 +37,11 @@ This project shows how to build an agent that performs addition using PocketFlow
 
 ## How It Works
 
+```mermaid
+flowchart LR
+    tools[GetToolsNode] -->|decide| decide[DecideToolNode]
+    decide -->|execute| execute[ExecuteToolNode]
+```
 
 The agent uses PocketFlow to create a workflow where:
 1. It takes user input about numbers
@@ -47,5 +52,4 @@ The agent uses PocketFlow to create a workflow where:
 
 - [`main.py`](./main.py): Implementation of the addition agent using PocketFlow
 - [`utils.py`](./utils.py): Helper functions for API calls and MCP integration
-- [`simple_server.py`](./simple_server.py): MCP server that provides the addition tool
-- [`simple_client.py`](./simple_client.py): Example client that connects to the MCP server
+- [`simple_server.py`](./simple_server.py): MCP server that provides the addition tool