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# QodeAssist - AI-powered coding assistant plugin for Qt Creator
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![qodeassist-icon](https://github.com/user-attachments/assets/dc336712-83cb-440d-8761-8d0a31de898d) QodeAssist is a comprehensive AI-powered coding assistant plugin for Qt Creator. It provides intelligent code completion, interactive chat with multiple interface options, inline quick refactoring, and AI function calling capabilities for C++ and QML development. Supporting both local providers (Ollama, llama.cpp, LM Studio) and cloud services (Claude, OpenAI, Google AI, Mistral AI), QodeAssist enhances your productivity with context-aware AI assistance, project-specific rules, and extensive customization options directly in your Qt development environment.
⚠️ **Important Notice About Paid Providers**
> When using paid providers like Claude, OpenRouter or OpenAI-compatible services:
> - These services will consume API tokens which may result in charges to your account
> - The QodeAssist developer bears no responsibility for any charges incurred
> - Please carefully review the provider's pricing and your account settings before use
## Table of Contents
1. [Overview](#overview)
2. [Install Plugin](#install-plugin-to-qtcreator)
3. [Configuration](#configuration)
4. [Features](#features)
5. [Context Layers](#context-layers)
6. [QtCreator Version Compatibility](#qtcreator-version-compatibility)
7. [Hotkeys](#hotkeys)
8. [Troubleshooting](#troubleshooting)
9. [Development Progress](#development-progress)
10. [Support the Development](#support-the-development-of-qodeassist)
11. [How to Build](#how-to-build)
## Overview
QodeAssist enhances Qt Creator with AI-powered coding assistance:
- **Code Completion**: Intelligent, context-aware code suggestions for C++ and QML
- **Chat Assistant**: Multiple interface options (popup window, side panel, bottom panel)
- **Quick Refactoring**: Inline AI-assisted code improvements directly in editor with custom instructions library
- **File Context**: Attach or link files for better AI understanding
- **Tool Calling**: AI can read project files, search code, and access diagnostics
- **Multiple Providers**: Support for Ollama, Claude, OpenAI, Google AI, Mistral AI, llama.cpp, and more
- **Customizable**: Project-specific rules, custom instructions, and extensive model templates
**Join our [Discord Community](https://discord.gg/BGMkUsXUgf)** to get support and connect with other users!
<details>
<summary>Code completion: (click to expand)</summary>
<img src="https://github.com/user-attachments/assets/255a52f1-5cc0-4ca3-b05c-c4cf9cdbe25a" width="600" alt="QodeAssistPreview">
</details>
<details>
<summary>Quick refactor in code: (click to expand)</summary>
<img src="https://github.com/user-attachments/assets/4a9092e0-429f-41eb-8723-cbb202fd0a8c" width="600" alt="QodeAssistPreview">
</details>
<details>
<summary>Multiline Code completion: (click to expand)</summary>
<img src="https://github.com/user-attachments/assets/c18dfbd2-8c54-4a7b-90d1-66e3bb51adb0" width="600" alt="QodeAssistPreview">
</details>
<details>
<summary>Chat with LLM models in side panels: (click to expand)</summary>
<img src="https://github.com/user-attachments/assets/ead5a5d9-b40a-4f17-af05-77fa2bcb3a61" width="600" alt="QodeAssistChat">
</details>
<details>
<summary>Chat with LLM models in bottom panel: (click to expand)</summary>
<img width="326" alt="QodeAssistBottomPanel" src="https://github.com/user-attachments/assets/4cc64c23-a294-4df8-9153-39ad6fdab34b">
</details>
<details>
<summary>Chat in addtional window: (click to expand)</summary>
<img width="851" height="865" alt="image" src="https://github.com/user-attachments/assets/a68894b7-886e-4501-a61b-7161ae34b427" />
</details>
<details>
<summary>Automatic syncing with open editor files: (click to expand)</summary>
<img width="600" alt="OpenedDocumentsSync" src="https://github.com/user-attachments/assets/08efda2f-dc4d-44c3-927c-e6a975090d2f">
</details>
<details>
<summary>Example how tools works: (click to expand)</summary>
<img width="600" alt="ToolsDemo" src="https://github.com/user-attachments/assets/cf6273ad-d5c8-47fc-81e6-23d929547f6c">
</details>
## Install plugin to QtCreator
### Method 1: Using QodeAssistUpdater (Beta)
QodeAssistUpdater is a command-line utility that automates plugin installation and updates with automatic Qt Creator version detection and checksum verification.
**Features:**
- Automatic Qt Creator version detection
- Install, update, or remove plugin with single command
- List all available plugin versions
- Install specific plugin version
- Checksum verification
- Non-interactive mode for CI/CD
**Installation:**
Download pre-built binary from [QodeAssistUpdater releases](https://github.com/Palm1r/QodeAssistUpdater/releases) or build from source
**Usage:**
```bash
# Check current status and available updates
./qodeassist-updater --status
# Install latest version
./qodeassist-updater --install
```
For more information, visit the [QodeAssistUpdater repository](https://github.com/Palm1r/QodeAssistUpdater).
### Method 2: Manual Installation
1. Install Latest Qt Creator
2. Download the QodeAssist plugin for your Qt Creator
- Remove old version plugin if already was installed
- on macOS for QtCreator 16: ~/Library/Application Support/QtProject/Qt Creator/plugins/16.0.0/petrmironychev.qodeassist
- on windows for QtCreator 16: C:\Users\<user>\AppData\Local\QtProject\qtcreator\plugins\16.0.0\petrmironychev.qodeassist\lib\qtcreator\plugins
3. Launch Qt Creator and install the plugin:
- Go to:
- MacOS: Qt Creator -> About Plugins...
- Windows\Linux: Help -> About Plugins...
- Click on "Install Plugin..."
- Select the downloaded QodeAssist plugin archive file
## Configuration
QodeAssist supports multiple LLM providers. Choose your preferred provider and follow the configuration guide:
### Supported Providers
- **[Ollama](docs/ollama-configuration.md)** - Local LLM provider
- **[llama.cpp](docs/llamacpp-configuration.md)** - Local LLM server
- **[Anthropic Claude](docs/claude-configuration.md)** - Сloud provider
- **[OpenAI](docs/openai-configuration.md)** - Сloud provider
- **[Mistral AI](docs/mistral-configuration.md)** - Сloud provider
- **[Google AI](docs/google-ai-configuration.md)** - Сloud provider
- **LM Studio** - Local LLM provider
- **OpenAI-compatible** - Custom providers (OpenRouter, etc.)
### Additional Configuration
- **[Project Rules](docs/project-rules.md)** - Customize AI behavior for your project
- **[Ignoring Files](docs/ignoring-files.md)** - Exclude files from context using `.qodeassistignore`
## Features
### Code Completion
- AI-powered intelligent code completion
- Support for C++ and QML
- Context-aware suggestions
- Multiline completions
#### Completion Trigger Modes
QodeAssist offers two trigger modes for code completion:
**Hint-based (Default, Recommended)**
- Shows a hint indicator near cursor when you type 3+ characters
- Press **Space** (or custom key) to request completion
- **Best for**: Paid APIs (Claude, OpenAI), conscious control
- **Benefits**: No unexpected API charges, full control over requests, no workflow interruption
- **Visual**: Clear indicator shows when completion is ready
**Automatic**
- Automatically requests completion after typing threshold
- Works immediately without additional keypresses
- **Best for**: Local models (Ollama, llama.cpp), maximum automation
- **Benefits**: Hands-free experience, instant suggestions
💡 **Tip**: Start with Hint-based to avoid unexpected costs. Switch to Automatic if using free local models.
Configure in: `Tools → Options → QodeAssist → Code Completion → General Settings`
### Chat Assistant
- Multiple chat panels: side panel, bottom panel, and popup window
- Chat history with auto-save and restore
- Token usage monitoring
- **[File Context](docs/file-context.md)** - Attach or link files for better context
- Automatic syncing with open editor files (optional)
- Extended thinking mode (Claude, other providers in plan) - Enable deeper reasoning for complex tasks
### Quick Refactoring
- Inline code refactoring directly in the editor with AI assistance
- Selection-based improvements with instant code replacement
- Built-in quick actions (repeat, improve, alternative)
- **Custom instructions library** with search and autocomplete
- Create, edit, and manage reusable refactoring templates
- Combine base instructions with specific details
- **[Learn more](docs/quick-refactoring.md)**
### Tools & Function Calling
- Read project files
- List and search in project
- Access linter/compiler issues
- Enabled by default (can be disabled)
## Context Layers
QodeAssist uses a flexible prompt composition system that adapts to different contexts. Here's how prompts are constructed for each feature:
<details>
<summary><strong>Code Completion (FIM Models)</strong> - Codestral, Qwen2.5-Coder, DeepSeek-Coder (click to expand)</summary>
```
┌─────────────────────────────────────────────────────────────────────────────┐
│ CODE COMPLETION (FIM Models) │
├─────────────────────────────────────────────────────────────────────────────┤
│ Examples: Codestral, Qwen2.5-Coder, DeepSeek-Coder │
│ │
│ 1. System Prompt (from Code Completion Settings - FIM variant) │
│ 2. Project Rules: │
│ └─ .qodeassist/rules/completion/*.md │
│ 3. Open Files Context (optional, if enabled): │
│ └─ Currently open editor files │
│ 4. Code Context: │
│ ├─ Code before cursor (prefix) │
│ └─ Code after cursor (suffix) │
│ │
│ Final Prompt: FIM_Template(Prefix: SystemPrompt + Rules + OpenFiles + │
│ CodeBefore, │
│ Suffix: CodeAfter) │
└─────────────────────────────────────────────────────────────────────────────┘
```
</details>
<details>
<summary><strong>Code Completion (Non-FIM Models)</strong> - DeepSeek-Coder-Instruct, Qwen2.5-Coder-Instruct (click to expand)</summary>
```
┌─────────────────────────────────────────────────────────────────────────────┐
│ CODE COMPLETION (Non-FIM/Chat Models) │
├─────────────────────────────────────────────────────────────────────────────┤
│ Examples: DeepSeek-Coder-Instruct, Qwen2.5-Coder-Instruct │
│ │
│ 1. System Prompt (from Code Completion Settings - Non-FIM variant) │
│ └─ Includes response formatting instructions │
│ 2. Project Rules: │
│ └─ .qodeassist/rules/completion/*.md │
│ 3. Open Files Context (optional, if enabled): │
│ └─ Currently open editor files │
│ 4. Code Context: │
│ ├─ File information (language, path) │
│ ├─ Code before cursor │
│ ├─ <cursor> marker │
│ └─ Code after cursor │
│ 5. User Message: "Complete the code at cursor position" │
│ │
│ Final Prompt: [System: SystemPrompt + Rules] │
│ [User: OpenFiles + Context + CompletionRequest] │
└─────────────────────────────────────────────────────────────────────────────┘
```
</details>
<details>
<summary><strong>Chat Assistant</strong> - Interactive coding assistant (click to expand)</summary>
```
┌─────────────────────────────────────────────────────────────────────────────┐
│ CHAT ASSISTANT │
├─────────────────────────────────────────────────────────────────────────────┤
│ 1. System Prompt (from Chat Assistant Settings) │
│ 2. Project Rules: │
│ ├─ .qodeassist/rules/common/*.md │
│ └─ .qodeassist/rules/chat/*.md │
│ 3. File Context (optional): │
│ ├─ Attached files (manual) │
│ ├─ Linked files (persistent) │
│ └─ Open editor files (if auto-sync enabled) │
│ 4. Tool Definitions (if enabled): │
│ ├─ ReadProjectFileByName │
│ ├─ ListProjectFiles │
│ ├─ SearchInProject │
│ └─ GetIssuesList │
│ 5. Conversation History │
│ 6. User Message │
│ │
│ Final Prompt: [System: SystemPrompt + Rules + Tools] │
│ [History: Previous messages] │
│ [User: FileContext + UserMessage] │
└─────────────────────────────────────────────────────────────────────────────┘
```
</details>
<details>
<summary><strong>Quick Refactoring</strong> - Inline code improvements (click to expand)</summary>
```
┌─────────────────────────────────────────────────────────────────────────────┐
│ QUICK REFACTORING │
├─────────────────────────────────────────────────────────────────────────────┤
│ 1. System Prompt (from Quick Refactor Settings) │
│ 2. Project Rules: │
│ ├─ .qodeassist/rules/common/*.md │
│ └─ .qodeassist/rules/quickrefactor/*.md │
│ 3. Code Context: │
│ ├─ File information (language, path) │
│ ├─ Code before selection (configurable amount) │
│ ├─ <selection_start> marker │
│ ├─ Selected code (or current line) │
│ ├─ <selection_end> marker │
│ ├─ <cursor> marker (position within selection) │
│ └─ Code after selection (configurable amount) │
│ 4. Refactor Instruction: │
│ ├─ Built-in (e.g., "Improve Code", "Alternative Solution") │
│ ├─ Custom Instruction (from library) │
│ │ └─ ~/.config/QtProject/qtcreator/qodeassist/ │
│ │ quick_refactor/instructions/*.json │
│ └─ Additional Details (optional user input) │
│ 5. Tool Definitions (if enabled) │
│ │
│ Final Prompt: [System: SystemPrompt + Rules] │
│ [User: Context + Markers + Instruction + Details] │
└─────────────────────────────────────────────────────────────────────────────┘
```
</details>
### Key Points
- **Project Rules** are automatically loaded from `.qodeassist/rules/` directory structure
- **System Prompts** are configured independently for each feature in Settings
- **FIM vs Non-FIM models** for code completion use different System Prompts:
- FIM models: Direct completion prompt
- Non-FIM models: Prompt includes response formatting instructions
- **Quick Refactor** has its own provider/model configuration, independent from Chat
- **Custom Instructions** provide reusable templates that can be augmented with specific details
- **Tool Calling** is available for Chat and Quick Refactor when enabled
See [Project Rules Documentation](docs/project-rules.md) and [Quick Refactoring Guide](docs/quick-refactoring.md) for more details.
## QtCreator Version Compatibility
| Qt Creator Version | QodeAssist Version |
|-------------------|-------------------|
| 17.0.0+ | 0.6.0 - 0.x.x |
| 16.0.2 | 0.5.13 - 0.x.x |
| 16.0.1 | 0.5.7 - 0.5.13 |
| 16.0.0 | 0.5.2 - 0.5.6 |
| 15.0.1 | 0.4.8 - 0.5.1 |
| 15.0.0 | 0.4.0 - 0.4.7 |
| 14.0.2 | 0.2.3 - 0.3.x |
| 14.0.1 | ≤ 0.2.2 |
## Hotkeys
All hotkeys can be customized in Qt Creator Settings. Default hotkeys:
| Action | macOS | Windows/Linux |
|--------|-------|--------------|
| Open chat window | ⌥⌘W | Ctrl+Alt+W |
| Close chat window | ⌥⌘S | Ctrl+Alt+S |
| Manual code suggestion | ⌥⌘Q | Ctrl+Alt+Q |
| Accept full suggestion | Tab | Tab |
| Accept word | ⌥→ | Alt+→ |
| Quick refactor | ⌥⌘R | Ctrl+Alt+R |
## Troubleshooting
Having issues with QodeAssist? Check our [detailed troubleshooting guide](docs/troubleshooting.md) for:
- Connection issues and provider URLs
- Model and template compatibility
- Platform-specific issues (Linux, macOS, Windows)
- Resetting settings to defaults
- Common problems and solutions
For additional support, join our [Discord Community](https://discord.gg/BGMkUsXUgf) or check [GitHub Issues](https://github.com/Palm1r/QodeAssist/issues).
## Development Progress
- [x] Code completion functionality
- [x] Chat assistant with multiple panels
- [x] Diff sharing with models
- [x] Tools/function calling support
- [x] Project-specific rules
- [ ] Full project source sharing
- [ ] Additional provider support
- [ ] MCP (Model Context Protocol) support
## Support the development of QodeAssist
If you find QodeAssist helpful, there are several ways you can support the project:
1. **Report Issues**: If you encounter any bugs or have suggestions for improvements, please [open an issue](https://github.com/Palm1r/qodeassist/issues) on our GitHub repository.
2. **Contribute**: Feel free to submit pull requests with bug fixes or new features.
3. **Spread the Word**: Star our GitHub repository and share QodeAssist with your fellow developers.
4. **Financial Support**: If you'd like to support the development financially, you can make a donation using one of the following:
- Bitcoin (BTC): `bc1qndq7f0mpnlya48vk7kugvyqj5w89xrg4wzg68t`
- Ethereum (ETH): `0xA5e8c37c94b24e25F9f1f292a01AF55F03099D8D`
- Litecoin (LTC): `ltc1qlrxnk30s2pcjchzx4qrxvdjt5gzuervy5mv0vy`
- USDT (TRC20): `THdZrE7d6epW6ry98GA3MLXRjha1DjKtUx`
Every contribution, no matter how small, is greatly appreciated and helps keep the project alive!
## How to Build
### Prerequisites
- CMake 3.16+
- C++20 compatible compiler
- Qt Creator development files
### Build Steps
1. Create a build directory:
```bash
mkdir build && cd build
```
2. Configure and build:
```bash
cmake -DCMAKE_PREFIX_PATH=<path_to_qtcreator> -DCMAKE_BUILD_TYPE=RelWithDebInfo <path_to_plugin_source>
cmake --build .
```
**Path specifications:**
- `<path_to_qtcreator>`:
- **Windows/Linux**: Qt Creator build directory or combined binary package
- **macOS**: `Qt Creator.app/Contents/Resources/`
- `<path_to_plugin_source>`: Path to this plugin directory
## For Contributors
### Code Style
- **QML**: Follow [QML Coding Guide](https://github.com/Furkanzmc/QML-Coding-Guide) by @Furkanzmc
- **C++**: Use `.clang-format` configuration in the project root
- Run formatting before submitting PRs
### Development Guidelines
For detailed development guidelines, architecture patterns, and best practices, see the [project workspace rules](.cursor/rules.mdc).
![qodeassist-icon](https://github.com/user-attachments/assets/dc336712-83cb-440d-8761-8d0a31de898d)
![qodeassist-icon-small](https://github.com/user-attachments/assets/8ec241bf-3186-452e-b8db-8d70543c2f41)
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