Overview
DeepSeek v4 for Visual Studio embeds the DeepSeek V4 model into Visual Studio 2022, providing AI-assisted chat, code editing, code completion, and more.
Core Features
| Feature |
Description |
| 🧠 DeepSeek V4 |
Streaming chat, Deep Thinking (Reasoning), Pro/Flash dual models |
| 🤖 Multi-Agent |
Ask / Explore / Plan / Edit / Build — five agents with automatic Handoff collaboration |
| 📐 Skills |
Define reusable AI workflows via Markdown, triggered with / slash commands |
| 🔧 MCP Protocol |
Connect to external tool servers, automatic Function Calling |
| 📝 Three Editing Methods |
apply_patch / insert_edit / create_file, four-level matching + Healing auto-fix |
| 📚 1M Context |
900K token budget, intelligent compression, no file truncation |
| 📊 Code Diff Preview |
Red/green diff markers in editor, per-hunk confirm or apply all |
| 💡 Ghost Text Completion |
Inline grey predictions, context-aware, Tab to accept |
| 🌐 Web Search |
Baidu Qianfan + DuckDuckGo dual engine, auto fallback on quota exhaustion |
| 🖼️ Image OCR |
PaddleOCR-Sharp local / Windows built-in / MCP remote — three engines |
| 📄 File Parsing |
Drag & drop 50+ formats (code/docs/PDF/Office/images) |
| 🛡️ Terminal Approval |
Confirmation popup before command execution for security |
| 🌐 i18n |
Auto-switch between Chinese and English, custom translations supported |
| 🔄 Stream Resume |
Auto-recover from network interruptions, seamless continuation |
Installation
Download VSIX: Get .vsix from Releases, close VS, double-click to install.
Build from Source:
git clone https://github.com/zmy15/DeepSeek-v4-for-VisualStudio.git
# Open .slnx with VS 2022 → Build → F5 to launch experimental instance
| Build Dependency |
Version |
| Visual Studio |
2022 (17.14+) |
| .NET Framework |
4.7.2 SDK |
| VS SDK |
VS Installer → "Visual Studio extension development" |
| Windows |
10/11 x64 |
Quick Start
- Get API Key: platform.deepseek.com/api_keys
- Configure:
Tools → Options → DeepSeek Chat → Paste API Key → Select model
- Open Chat:
View → Other Windows → DeepSeek Chat
| Recommended Settings |
Value |
| Model |
deepseek-v4-pro |
| Deep Thinking |
On, Reasoning Effort = high |
| Search |
Baidu Qianfan (1500 free/month) |
| OCR |
PaddleOCR-Sharp |
| Token Budget |
900000 |
Multi-Agent Collaboration
Five agents collaborate via Handoff — no manual switching required:
Ask (Analyze) → Plan (Design) → Edit (Execute) → Build (Fix) → Ask (Report)
| Agent |
Role |
| Ask |
Q&A, code explanation, read-only analysis |
| Explore |
Codebase search, structure analysis |
| Plan |
Task decomposition, solution design, plan.md generation |
| Edit |
Code write/delete, file operations |
| Build |
Build diagnostics, auto-fix (up to 3 rounds) |
Skills
Define reusable AI workflows with Markdown. Type / in chat to trigger:
/code-review UserService.cs
/tdd Implement user login feature
Skill sources: Project (.github/skills/) → User (~/.copilot/skills/) → Built-in (bundled with extension).
🗺️ Roadmap
| Plan |
Description |
Priority |
| Built-in Local Vector DB |
SQLite + local embedding model, zero-config code indexing & semantic search |
🔴 High |
| Auto File Indexing |
Automatically build vector index when opening project |
🔴 High |
| Hybrid Retrieval |
BM25 keyword + vector semantic hybrid search |
🟡 Medium |
| Test Generation Skill |
Auto-generate xUnit tests via tdd skill |
🟡 Medium |
| Enhanced Git Integration |
PR description generation, auto commit messages |
🟡 Medium |
| Solution-Level Indexing |
Cross-project symbol indexing and reference tracking |
🟡 Medium |
| Local Model Support |
Ollama / LM Studio offline inference |
🟢 Low |
| More Built-in Skills |
debug-analyzer, sql-optimizer, etc. |
🟡 Medium |
| Session Export |
Export conversations as Markdown / PDF |
🟢 Low |
💡 Suggestions welcome via Issues!
👥 Contributors
📈 Star History
License
MIT License
