Costrict - strict AI coder for enterprises, quality first, including AI Agent, AI CodeReview, AI Completion.

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CoStrict

CoStrict Logo

Strict AI Coder for Enterprises

Free • Open Source • Private Deployment

CoStrict is a free, open-source AI-powered coding assistant designed for enterprise-grade development. With support for private deployment, it's the optimal choice for organizations requiring secure, standardized AI development workflows.

✨ Core Capabilities

Feature	Description
🔒 Strict Mode	Standardized AI code generation with requirements analysis, architecture design, task planning, and test generation
🔍 Code Review	Repository-wide RAG-based code analysis with multi-expert model verification
🎯 Vibe Code	Rapid development through natural language dialogue
🔗 MCP Integration	Standardized system connectivity for APIs, databases, and custom tools
🎨 Multi-modal	Support for image context and visual inputs
🛠️ Skills Support	Extensible skills system for specialized task workflows

📦 Installation

  🌟 CoStrict Cloud  


  [![Cloud Docs](https://img.shields.io/badge/Cloud-Documentation-blue?style=for-the-badge)](https://docs.costrict.ai/cli/product-characteristics/cloud)




  VS Code Extension  


  [![Download](https://img.shields.io/badge/Download-Nightly-success?style=for-the-badge)](https://marketplace.visualstudio.com/items?itemName=zgsm-ai.zgsm-nightly)
  [![Download](https://img.shields.io/badge/Download-Latest-success?style=for-the-badge)](https://marketplace.visualstudio.com/items?itemName=zgsm-ai.zgsm)




  CLI Tool  


  [![CLI Docs](https://img.shields.io/badge/CLI-Documentation-blue?style=for-the-badge)](https://docs.costrict.ai/cli/guide/installation)
  [![Download](https://img.shields.io/badge/Download-Latest-success?style=for-the-badge)](https://costrict.ai/download)




  JetBrains Plugin  


  [![JetBrains Repo](https://img.shields.io/badge/GitHub-Repository-informational?style=for-the-badge)](https://github.com/zgsm-sangfor/costrict-for-jetbrains)
  [![Download](https://img.shields.io/badge/Download-Latest-success?style=for-the-badge)](https://costrict.ai/download)

🚀 Key Features

Strict Mode

Standardizes AI-generated code workflows for enterprise scenarios, ensuring high-quality and controllable outputs.

  [![Strict Mode Demo](./assets/images/readme/strict_mode_en_buffer.webp)](https://docs.costrict.ai/en/tutorial-videos/video/#strict-mode)




   ![Strict Mode](./assets/images/readme/strict_mode_en.webp)

Code Review

Repository-wide indexing and RAG-based analysis with multi-model verification strategies.

  [![Code Review Demo](./assets/images/readme/codereview_buffer.webp)](https://docs.costrict.ai/en/tutorial-videos/video/#ai-codereview)




   ![Code Review](./assets/images/readme/codereview_en.webp)

More Features

🌐 Multi-language Support - Python, Go, Java, JavaScript/TypeScript, C/C++, and all programming languages
🔐 Privacy & Security - Professional private deployment with physical isolation and end-to-end encryption
🎛️ API & Model Customization - Built-in free models + support for Anthropic, OpenAI, OpenAI-compatible APIs, and local models
📁 Large Repository Context - Automatic context inclusion with @ file/folder mentions
🔧 Mode Customization - Multiple default modes (Code, Orchestrator) with custom mode support
📝 OpenSpec Integration - Standardized change proposal workflows with /openspec-init
🔗 VSCode SCM Integration - Seamless integration with Git for code review and collaboration
Auto Cleanup History - Automatically clean up history and reduce disk usage.
📝 History Import&Export - Supports import and export of historical records to facilitate offline migration
🔗 Lite Mode - Reduce context usage and reduce token consumption.

📚 Documentation

Resource	Link
Installation Guide	docs.costrict.ai/en/guide/installation
Private Deployment	docs.costrict.ai/en/deployment/introduction
Tutorial Videos	docs.costrict.ai/en/tutorial-videos/video
CLI Documentation	docs.costrict.ai/cli/guide/installation

🤝 Community & Support

   ![](./assets/images/readme/wechat.png)   

  WeChat Group




   ![](./assets/images/readme/communication_group.webp)   

  Feedback




  [![GitHub Issues](https://img.shields.io/badge/GitHub-Issues-blue?style=for-the-badge&logo=github)](https://github.com/zgsm-ai/costrict/issues/new/choose)

🤝 Contributing

We welcome contributions! Please see our Contributing Guide for details.

📄 License

⭐ Star History

🙏 Acknowledgments

Special thanks to our open-source partners:

Disclaimer

Please note that Sangfor, Inc does not make any representations or warranties regarding any code, models, or other tools provided or made available in connection with CoStrict, any associated third-party tools, or any resulting outputs. You assume all risks associated with the use of any such tools or outputs; such tools are provided on an "AS IS" and "AS AVAILABLE" basis. Such risks may include, without limitation, intellectual property infringement, cyber vulnerabilities or attacks, bias, inaccuracies, errors, defects, viruses, downtime, property loss or damage, and/or personal injury. You are solely responsible for your use of any such tools or outputs (including, without limitation, the legality, appropriateness, and results thereof).