OpenCode AI Assistant for Visual Studio

OpenCode AI Assistant brings modern AI-powered coding workflows directly into Visual Studio.

Built for developers working with large solutions, AI-assisted refactoring, debugging, and intelligent code generation.

Features

AI Chat + Streaming

• Real-time streaming responses
• Multi-session chat history
• Markdown and syntax-highlighted responses
• Copy and regenerate actions

Multi-Provider Support

Compatible with:

• OpenAI
• Anthropic
• OpenRouter
• Ollama
• Gemini
• Azure OpenAI
• OpenCode Go / Zen
• Custom OpenAI-compatible endpoints

Project-Aware Context

• Active document context
• Solution and project awareness
• Roslyn-powered symbol parsing
• File attachment support
• Image attachment support

AI Coding Tools

Integrated tool system including:

• Read files
• Search text
• Search symbols
• Dependency analysis
• Diagnostics inspection
• Git status
• Build indexing
• Command execution

Intelligent Code Editing

• One-click apply generated code
• Multi-strategy file creation and modification
• HTML diff preview
• Undo / Redo snapshot system

Roslyn + SQLite Indexing

• C# semantic parsing
• Symbol indexing
• Fast project-wide search
• Method/class/property discovery

Supported Workflows

• Code generation
• Refactoring
• Debugging assistance
• Architecture discussions
• Code explanation
• Multi-file modifications
• Solution-wide AI assistance

Requirements

• Visual Studio 2026 or newer
• Internet connection for cloud AI providers
• User-provided API keys

Privacy

OpenCode AI Assistant does not provide hosted AI models. All requests are sent only to the provider configured by the user.

License

MIT License