A-Coder: The Agentic IDE That Codes With You
March 28, 2026 · View on GitHub
Where Agentic AI Meets Professional Development
What is A-Coder?
A-Coder is the next-generation AI-native code editor built for developers who demand more from their tools. Forked from Void and built on VS Code's battle-tested foundation, A-Coder transforms your IDE from a passive editor into an intelligent, autonomous coding partner.
Forget copy-pasting code snippets. A-Coder understands your entire codebase, researches solutions, implements features, and learns your preferences—all while you stay in the flow.
🚀 Why A-Coder Stands Apart
AI That Truly Understands Context
A-Coder doesn't just complete code—it reasons about your project. With intelligent context gathering, semantic search, and file-aware understanding, your AI assistant sees what you see and more.
- Fast Context: Semantic codebase search powered by Morph AI
- Smart File Reading: Paginated reading for large files with intelligent chunking
- Directory Tree Visualization: Instant codebase structure awareness
- Symbol Outlining: Jump to definitions, see relationships, understand architecture
Four Intelligent Modes, Any Task
| Mode | Purpose | Best For |
|---|---|---|
| 💬 Chat | Balanced assistance | General coding questions, quick fixes |
| 🔍 Plan | Deep research | Understanding codebases, architectural decisions |
| 🤖 Agent | Full autonomy | Multi-step features, complex refactoring |
| 🎓 Learn | Personal tutoring | Skill building, concept explanations, exercises |
Student Mode: Your Personal Coding Tutor
Transform A-Coder into an interactive learning environment:
- 3 Difficulty Levels: Beginner, Intermediate, Advanced
- Interactive Exercises: Fill-in-the-blank, bug fixing, function writing
- Progress Tracking: Streaks, badges, achievements
- Adaptive Hints: Get help when you're stuck—level by level
🛠️ The Professional AI Toolkit
File & Code Operations
- Read Smartly: Large files with intelligent pagination
- Edit Precisely: File-level rewrites or surgical string replacements
- Search Intelligently: Pathname search, content search, in-file grep
- Manage Structure: Create, delete, organize files and folders
Terminal & Code Execution
- Run Commands: Execute in temporary or persistent terminals
- Monitor Status: Real-time terminal state tracking
- Auto-Recovery: Read lint errors and auto-fix issues
Git Integration
- Commit Message Generator: One-click AI-written commit messages
- Repo Tools: Clone, pull, push, branch, checkout, log, status
- Semantic Repo Search: Search across git history with Morph embeddings
Advanced Tools
| Category | Tools |
|---|---|
| Planning | Create tasks, track progress, manage dependencies |
| Implementation | Multi-step feature planning with status tracking |
| Teaching | Explain code, teach concepts, generate exercises |
| Vision | Analyze screenshots, debug UIs from images |
| Browser | Open URLs, fetch content, interact with web pages |
| MCP | Connect custom tools via Model Context Protocol |
| Skills | Load domain expertise from markdown files |
| Forms | Generate interactive UI for data collection |
| Quizzes | Create knowledge assessments |
⚡ Enterprise-Grade Precision
Code Application That Actually Works
AI-generated code often fails to apply correctly. A-Coder solves this with:
- Exact Match Requirement: Clean, predictable behavior—text must match exactly (like Claude Code)
- Clear Error Messages: Helpful suggestions showing similar blocks when text isn't found
- Uniqueness Enforcement: Fails if text appears multiple times, preventing accidental wrong edits
- Morph Fast Apply: High-speed, high-accuracy code application via Morph AI engine
- Smart Diff Preview: See exactly what will change before applying
Context Management for Long Conversations
- TOON Compression: 30-70% token reduction for tool outputs
- Rolling Window: Preserve recent messages while managing context limits
- Intelligent Summarization: Condense history while keeping key information
🎨 Developer Experience Redefined
Seamless Migration
Switch from your current editor in seconds:
- VS Code → A-Coder
- Cursor → A-Coder
- Windsurf → A-Coder
One click imports your settings, keybindings, and extensions.
Beautiful, Focused UI
- Glass Morphism: Modern design with Tailwind CSS
- Theme Aware: Fully responsive to light/dark themes
- Lucide Icons: Consistent, polished iconography
- Inline Diff: See changes contextually as they happen
Productivity Boosters
- Autocomplete: AI-powered inline code completion (FIM)
- Quick Edit (Ctrl+K): Inline editing with AI assistance
- Vision Support: Drag-drop images directly into chat
- Multiple Threads: Work on multiple conversations simultaneously
🔒 Privacy & Control Your Way
Your Data, Your Rules
- Direct-to-Provider: Messages go straight to Anthropic, OpenAI, etc.—no middleman
- Local Models: Full support for Ollama, vLLM, LM Studio, and more
- Zero Retention: No data stored or used for training
Granular Control
- Global AI Instructions: Set system-wide coding standards
- Tool Permissions: Approve edits, terminals, MCP tools individually
- Auto-Approval Settings: Trust specific tool categories
- Feature-Level Model Selection: Different models for different tasks
Export & Import
- Full chat history as JSON
- Settings portability across devices
- Extension transfer from other editors
🔌 Extensibility & Integration
Model Context Protocol (MCP)
Extend A-Coder with custom tools and data sources:
- Connect to internal APIs
- Add company-specific knowledge bases
- Build custom workflows
Morph Integration
Supercharge your AI with Morph's semantic search:
- Fast Context: Find relevant code instantly
- Fast Apply: Apply changes with higher accuracy
- Repo Storage: Git-aware semantic search across history
Mobile API
Monitor and control your IDE remotely:
- REST API for integrations
- WebSocket for real-time updates
- Token-based authentication
- Cloudflare Tunnel support
🌐 Universal Model Support
Cloud Providers
| Provider | Models |
|---|---|
| Anthropic | Claude 3.5 Sonnet, Opus, Haiku |
| OpenAI | GPT-4o, GPT-4 Turbo, o1 |
| Gemini Pro, Flash | |
| xAI | Grok models |
| Mistral | Mistral Large, Codestral |
| Groq | Lightning-fast inference |
| DeepSeek | DeepSeek V3, Coder |
| OpenRouter | Access to 100+ models |
| Vertex AI | Google Cloud models |
| Azure | Enterprise OpenAI |
| AWS Bedrock | Amazon's model catalog |
Local Models
| Provider | Use Case |
|---|---|
| Ollama | Local Llama, Mistral, CodeLlama |
| vLLM | High-throughput local inference |
| LM Studio | Easy local model management |
| LiteLLM | Unified local model gateway |
| OpenAI-Compatible | Any self-hosted server |
🛠️ Getting Started
Installation
Download the latest release for your platform:
Quick Setup
- Add your API key (or connect to local models)
- Select your preferred model
- Start coding with AI!
For Contributors
Join us in building the future of AI development:
- 📖 Development Guide - Build from source
- 🧭 Codebase Guide - Architecture overview
- 🤝 Contributing Guidelines
The Tech Stack
A-Coder is built on proven, enterprise-grade technologies:
| Layer | Technology |
|---|---|
| Core | VS Code (Monaco Editor, Extension Host) |
| UI | React 19, Tailwind CSS, Lucide Icons |
| AI | Custom TypeScript orchestration layer |
| Communication | MCP, WebSocket, REST API |
| Compression | TOON (Token-Optimized Output) |
Join the Revolution
A-Coder is more than an editor—it's a new way to develop software. Whether you're building the next unicorn or learning to code, A-Coder adapts to you.
Website | Documentation | Discord | GitHub
🙏 Special Thanks
A-Coder stands on the shoulders of giants:
- Void Editor — The visionary agentic IDE that pioneered this space
- VS Code — The battle-tested foundation that powers millions of developers
These incredible projects provide the foundation upon which A-Coder is built. Thank you to their contributors and communities for paving the way.
A-Coder is proudly open-source, built for developers, by developers.