The Power of GPT-Developer: A Deep Dive into Custom GPTs and Actions by customize code-interpreter

In the rapidly evolving landscape of software development, staying ahead requires not only skill but also the right tools. Imagine having a development assistant that can fetch, refactor, and debug code for you — that’s the power of GPT-Developer. This revolutionary tool leverages OpenAI’s GPT technology to streamline and enhance the development workflow. In this article, we explore what makes GPT-Developer a game-changer for developers everywhere.

What is Custom GPT in the Explore GPTs?

Custom GPTs in the Explore GPTs context refer to instances of OpenAI’s GPT models that can run custom actions defined by the backend systems. These models are not fine-tuned but are designed to execute specific predefined tasks, allowing for a high degree of flexibility and customization in their use. This setup enables developers to leverage the general capabilities of GPT models while tailoring their functionality through backend-defined actions.

What are Actions in Custom GPTs?

Actions are predefined tasks or functions that a Custom GPT can execute. In GPT-Developer, actions enable the model to interact with backend systems, manage code functions, and perform operations such as fetching, updating, refactoring, running, debugging, and testing code. These actions turn GPT-Developer from a passive assistant into an active participant in the development process.
Github: GitHub - mohamadawaisy/GPT-Developer

Project Topology

Understanding the architecture of GPT-Developer is crucial to appreciating its capabilities:

  • Custom GPT: This is the user-trained model that interprets commands and requests.
  • Actions Call Backend: The GPT calls specific actions which interact with the backend.
  • Backend: Manages code functions, executing tasks as requested by the GPT.

Backend APIs

  • Isolated Docker Environment: Code runs in a secure, isolated Docker container, ensuring safe and reproducible execution.

Here’s a simple diagram to illustrate this architecture:


GPT-Developer offers extensive capabilities, including:

  • Fetching and Updating: Retrieve and modify code snippets with ease.
  • Refactoring: Improve and optimize existing code for better performance and readability.
  • Running Code: Execute code and return results in real-time.
  • Debugging: Identify and fix issues within the code quickly.
  • Testing: Perform unit tests and ensure code quality.
  • Continuous Development: Support ongoing development processes with intelligent automation.

Interactive Workflow with GPT-Developer

In the realm of software development, efficiency and accuracy are paramount. GPT-Developer enhances these aspects by providing a dynamic interaction model where developers can seamlessly create, modify, and optimize their applications. Below, we detail a comprehensive workflow that demonstrates the capabilities of GPT-Developer in facilitating a full development cycle.

1. Initial Request and Code Generation

  • User Interaction: Developers start by requesting GPT-Developer to write an application. This request can be as simple as describing the functionality needed.
  • GPT Action: The GPT model analyzes the input and crafts the initial app code, demonstrating its ability to quickly generate a functional baseline.


User Requests GPT to Write an App
GPT Generates Initial App Code

2. Saving and Executing Code

  • Automated Processes: Once the code is generated, GPT-Developer automatically saves it and runs the code within an isolated Docker environment. This ensures that any execution is performed in a secure and controlled setting.
  • Immediate Feedback: The execution results are immediately returned, providing instant feedback on the app’s functionality.


GPT Saves the Code
GPT Runs the Code in Isolated Docker Environment
Execution Results Returned to User

3. Enhancing and Refining Code

  • Fetching and Displaying Code: At any point, developers can fetch the current state of the code to review or modify it.
  • Refactoring: Upon request, GPT-Developer refines the code — optimizing, restructuring, or cleaning up the codebase to improve performance and maintainability.


User Requests to Fetch the Code
GPT Fetches and Displays the Code
User Requests Code Refactoring
GPT Refactors the Code
GPT Saves the Refactored Code

4. Expansion and Integration

  • Adding Functionality: Developers can easily add new features. GPT-Developer integrates these enhancements smoothly with the existing code.
  • Continuous Development: Each addition is saved and re-executed, ensuring that new features are properly incorporated and functional.


User Adds New Functionality to the App
GPT Integrates New Functionality
GPT Saves the Updated Code
GPT Runs the Updated Code in Isolated Docker Environment
Execution Results and Debug Information Returned to User

5. Debugging and Final Adjustments

  • Debugging Assistance: If issues arise, GPT-Developer assists in debugging, identifying problems, and suggesting fixes.
  • Application of Fixes: Developers can apply these suggested fixes, and GPT-Developer will rerun the code to verify that all issues have been resolved.


User Requests Debugging Assistance
GPT Provides Debugging Insights
User Reviews and Applies Debugging Fixes

This iterative interaction between the developer and GPT-Developer not only accelerates the development process but also enhances the quality of the software. By automating repetitive tasks, providing intelligent insights, and enabling continuous development cycles, GPT-Developer positions itself as an indispensable tool in the modern developer’s arsenal.

Use Cases and Benefits

The flexibility of GPT-Developer makes it invaluable for various development tasks. Here are a few key use cases:

  • Code Generation: Quickly generate boilerplate code, saving time and reducing errors.
  • Code Review: Automate code reviews to identify potential improvements and ensure standards are met.
  • Debugging Assistance: Provide intelligent debugging tips, reducing the time spent on fixing bugs.
  • Documentation: Automatically generate or update documentation, ensuring it is always up-to-date.

By automating repetitive tasks and providing intelligent insights, GPT-Developer enhances productivity, allowing developers to focus on more complex problem-solving.

Similarity to Code Interpreter and Advantages

While similar to code interpreters, GPT-Developer stands out due to its open-source nature. This means:

  • No Limitations: Unlike proprietary solutions, it imposes no usage restrictions.
  • Full Control: Developers have complete control over the virtual machine (VM) that executes the code, ensuring security and customizability.

Conclusion: The Future of Development with GPT-Developer

By automating the lifecycle of app development from initial generation to debugging, GPT-Developer exemplifies the next step in the evolution of coding tools. Open-source and fully controllable, it provides developers not only with the tools to build but also with the capabilities to innovate and refine continuously. Dive into the world of GPT-Developer and experience a transformation in how you develop, refine, and enhance software.


GPT-Developer is a powerful, open-source tool that leverages custom GPT models and actions to revolutionize the development workflow. Its capabilities in code management, debugging, testing, and continuous development make it an essential asset for developers looking to enhance productivity and maintain full control over their development environment. Explore GPT-Developer today and transform your coding experience with intelligent automation and flexibility.

About GPT-Developer

GPT-Developer is a project that leverages OpenAI’s GPT technology to assist in various development tasks. This project includes scripts and configurations for setting up and running GPT-based tools in a development environment.


  • Integration with GPT models to provide development assistance.
  • Docker support for containerized deployment.
  • Python scripts for handling dependencies and main functionality.



  • Docker
  • Python 3.x
  • Git


  1. Clone the repository:

git clone GitHub - mohamadawaisy/GPT-Developer
cd GPT-Developer

  1. Build the Docker image:

docker build -t gpt-developer

  1. Run the Docker container:

docker run -it gpt-developer

  1. Install Python dependencies:

pip install -r main_requirements.txt

Creating Your Own GPT

  1. Define your custom actions and backend services that the GPT will interact with.
  2. Update the configuration in GPT.yaml to integrate your custom GPT and actions.
  3. Test the integration by running the main script:



Adjust configurations in GPT.yaml to suit your environment and preferences.