CoStrict

CoStrict is a free, open-source AI coding assistant built for enterprise-grade development workflows. It supports private deployment with physical isolation and end-to-end encryption, making it ideal for organizations with strict security and compliance requirements. Available as a VS Code extension, JetBrains plugin, and CLI tool, CoStrict integrates seamlessly into existing developer environments. It is licensed under Apache 2.0 and developed by Sangfor, Inc.

• Strict Mode: Standardizes AI-generated code workflows with requirements analysis, architecture design, task planning, and test generation for high-quality, controllable outputs.
• AI Code Review: Performs repository-wide RAG-based code analysis with multi-expert model verification to catch issues across the entire codebase.
• Code Completion: Provides context-aware code generation in seconds, supporting Python, Go, Java, JavaScript/TypeScript, C/C++, and all major programming languages.
• Vibe Code: Enables rapid development through natural language dialogue for intuitive, conversational coding.
• MCP Integration: Connects to APIs, databases, and custom tools via standardized MCP protocol for extensible system connectivity.
• Multi-modal Support: Accepts image context and visual inputs alongside text for richer AI interactions.
• Skills System: Extensible skills framework supports specialized task workflows and custom agent behaviors.
• Private Deployment: Deploy on-premises with physical isolation and end-to-end encryption to keep code and data fully within your organization.
• API & Model Customization: Built-in free models plus support for Anthropic, OpenAI, OpenAI-compatible APIs, and local models.
• Large Repository Context: Automatically includes relevant context with @ file/folder mentions for accurate, project-aware suggestions.

To get started, install the VS Code extension from the VS Code Marketplace, download the JetBrains plugin from the CoStrict website, or use the CLI tool via the documentation at docs.costrict.ai.