https://github.com/blaxel-templates/template-langgraph-py
A production-ready Python template for building AI agents using LangGraph in Blaxel.
https://github.com/blaxel-templates/template-langgraph-py
agent blaxel langgraph python
Last synced: 3 months ago
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A production-ready Python template for building AI agents using LangGraph in Blaxel.
- Host: GitHub
- URL: https://github.com/blaxel-templates/template-langgraph-py
- Owner: blaxel-templates
- License: mit
- Created: 2025-04-03T13:27:53.000Z (6 months ago)
- Default Branch: main
- Last Pushed: 2025-07-10T15:28:30.000Z (3 months ago)
- Last Synced: 2025-07-10T21:55:52.376Z (3 months ago)
- Topics: agent, blaxel, langgraph, python
- Language: Python
- Homepage:
- Size: 1.05 MB
- Stars: 3
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# Blaxel LangGraph Agent
[](https://opensource.org/licenses/MIT)
[](https://www.python.org/downloads/)
[](https://github.com/langchain-ai/langgraph)
[](https://github.com/astral-sh/uv)
A template implementation of a conversational agent using LangGraph and GPT-4. This agent demonstrates the power of LangGraph for building sophisticated workflow-based AI agents with tool integration capabilities, state management, and graph-based execution patterns.
## 📑 Table of Contents
- [Features](#features)
- [Quick Start](#quick-start)
- [Prerequisites](#prerequisites)
- [Installation](#installation)
- [Usage](#usage)
- [Running Locally](#running-the-server-locally)
- [Testing](#testing-your-agent)
- [Deployment](#deploying-to-blaxel)
- [Project Structure](#project-structure)
- [Troubleshooting](#troubleshooting)
- [Contributing](#contributing)
- [Support](#support)
- [License](#license)
## ✨ Features
- Interactive conversational interface with workflow orchestration
- Graph-based agent execution with state management
- Tool integration support (including weather and search capabilities)
- Streaming responses for real-time interaction
- Built on LangGraph for sophisticated agent workflows and decision-making
- Conditional routing and multi-step reasoning capabilities
- Easy deployment and integration with Blaxel platform
## 🚀 Quick Start
For those who want to get up and running quickly:
```bash
# Clone the repository
git clone https://github.com/blaxel-ai/template-langgraph-py.git
# Navigate to the project directory
cd template-langgraph-py
# Install dependencies
uv sync
# Start the server
bl serve --hotreload
# In another terminal, test the agent
bl chat --local blaxel-agent
```
## 📋 Prerequisites
- **Python:** 3.10 or later
- **[UV](https://github.com/astral-sh/uv):** An extremely fast Python package and project manager, written in Rust
- **Blaxel Platform Setup:** Complete Blaxel setup by following the [quickstart guide](https://docs.blaxel.ai/Get-started#quickstart)
- **[Blaxel CLI](https://docs.blaxel.ai/Get-started):** Ensure you have the Blaxel CLI installed. If not, install it globally:
```bash
curl -fsSL https://raw.githubusercontent.com/blaxel-ai/toolkit/main/install.sh | BINDIR=/usr/local/bin sudo -E sh
```
- **Blaxel login:** Login to Blaxel platform
```bash
bl login YOUR-WORKSPACE
```
## 💻 Installation
**Clone the repository and install dependencies:**
```bash
git clone https://github.com/blaxel-ai/template-langgraph-py.git
cd template-langgraph-py
uv sync
```
## 🔧 Usage
### Running the Server Locally
Start the development server with hot reloading:
```bash
bl serve --hotreload
```
_Note:_ This command starts the server and enables hot reload so that changes to the source code are automatically reflected.
### Testing your agent
You can test your agent using the chat interface:
```bash
bl chat --local blaxel-agent
```
Or run it directly with specific input:
```bash
bl run agent blaxel-agent --local --data '{"input": "What is the weather in Paris?"}'
```
### Deploying to Blaxel
When you are ready to deploy your application:
```bash
bl deploy
```
This command uses your code and the configuration files under the `.blaxel` directory to deploy your application.
## 📁 Project Structure
- **src/main.py** - Application entry point
- **src/agent.py** - Core agent implementation with LangGraph integration
- **src/server/** - Server implementation and routing
- **router.py** - API route definitions
- **middleware.py** - Request/response middleware
- **pyproject.toml** - UV package manager configuration
- **blaxel.toml** - Blaxel deployment configuration
## ❓ Troubleshooting
### Common Issues
1. **Blaxel Platform Issues**:
- Ensure you're logged in to your workspace: `bl login MY-WORKSPACE`
- Verify models are available: `bl get models`
- Check that functions exist: `bl get functions`
2. **Tool Integration Failures**:
- Ensure tool functions are properly registered in LangGraph
- Check tool parameter validation through Blaxel platform
- Verify tool execution permissions and access
- Review tool response formats and error handling
3. **Dependency and Environment Issues**:
- Make sure you have Python 3.10+
- Try `uv sync --upgrade` to update dependencies
- Check for conflicting package versions
- Verify virtual environment activation
For more help, please [submit an issue](https://github.com/blaxel-templates/template-langgraph-py/issues) on GitHub.
## 👥 Contributing
Contributions are welcome! Here's how you can contribute:
1. **Fork** the repository
2. **Create** a feature branch:
```bash
git checkout -b feature/amazing-feature
```
3. **Commit** your changes:
```bash
git commit -m 'Add amazing feature'
```
4. **Push** to the branch:
```bash
git push origin feature/amazing-feature
```
5. **Submit** a Pull Request
Please make sure to update tests as appropriate and follow the code style of the project.
## 🆘 Support
If you need help with this template:
- [Submit an issue](https://github.com/blaxel-templates/template-langgraph-py/issues) for bug reports or feature requests
- Visit the [Blaxel Documentation](https://docs.blaxel.ai) for platform guidance
- Check the [LangGraph Documentation](https://langchain-ai.github.io/langgraph/) for framework-specific help
- Join our [Discord Community](https://discord.gg/G3NqzUPcHP) for real-time assistance
## 📄 License
This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for more details.