pocketflow/cookbook/pocketflow-mcp/README.md

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# Simple PocketFlow Chat
A basic chat application using PocketFlow with OpenAI's GPT-4o model.
## Features
- Conversational chat interface in the terminal
- Maintains full conversation history for context
- Simple implementation demonstrating PocketFlow's node and flow concepts
## Run It
1. Make sure your OpenAI API key is set:
```bash
export OPENAI_API_KEY="your-api-key-here"
```
Alternatively, you can edit the `utils.py` file to include your API key directly.
2. Install requirements and run the application:
```bash
pip install -r requirements.txt
python main.py
```
## Run the MCP
Run the server
```bash
python simple_server.py
```
Run the client
```bash
python simple_client.py
```
## How It Works
```mermaid
flowchart LR
chat[ChatNode] -->|continue| chat
```
The chat application uses:
- A single `ChatNode` with a self-loop that:
- Takes user input in the `prep` method
- Sends the complete conversation history to GPT-4o
- Adds responses to the conversation history
- Loops back to continue the chat until the user types 'exit'
## Files
- [`main.py`](./main.py): Implementation of the ChatNode and chat flow
- [`utils.py`](./utils.py): Simple wrapper for calling the OpenAI API