PromptBox — AI Prompt Manager on Your Desktop

A modern, feature-rich WPF desktop application for managing AI prompts. Create, edit, organize, search, and export prompts for ChatGPT, GitHub Copilot, Claude, and other AI models.

Features

Core Functionality

• Prompt Management: Create, edit, delete, and view prompt entries
• Rich Metadata: Each prompt includes title, category, tags, content, and timestamps
• Markdown Support: Write prompts in Markdown with real-time preview
• Advanced Search: Instant search across titles, tags, categories, and content
• Tag System: Multi-tag support with visual tag display and filtering
• Category Organization: Organize prompts by categories
• Prompt Library Browser: Browse and import prompts from a curated library
• Version History (Git-like): One-click restore to any previous version with visual diff

AI-Powered Features

• AI Prompt Builder: Create and test prompts with multiple AI models (OpenAI, Anthropic, Google, Mistral, Groq)
• Prompt Workflows: Run complete multi-step prompt workflows with a single click
• Visual Workflow Designer: Drag-and-drop workflow editor with conditional branching, loops, and error handling
• Batch Processing: Execute multiple prompts against multiple AI models in a single batch
• Prompt Testing & A/B Comparison: Create test suites with evaluation criteria, run tests, and compare variations
• Prompt Comparison Tool: Compare 2-4 prompt variations side-by-side with automatic ranking
• AI Smart Suggestions: Get AI-powered prompt improvements and variations
• Context Injection: Automatically inject files, folders, clipboard content into prompts

Import/Export

• Export individual prompts as Markdown (.md) or plain text (.txt)
• Import/Export all prompts as JSON for backup
• Import/Export Prompts with Version History
• Import/Export Workflows (user-created)
• Export batch results to CSV/JSON
• Export comparison reports to Markdown

User Experience

• Modern UI: Built with Material Design for a clean, professional look
• Theme Support: Toggle between Light and Dark modes
• Clipboard Integration: One-click copy to clipboard
• Local First: All data stored locally using LiteDB
• Fast Performance: Optimized search and filtering
• Secure API Key Storage: Windows DPAPI encryption for API keys

Architecture

Built using MVVM (Model-View-ViewModel) pattern with clean separation of concerns:

PromptBox/
├── Models/              # Data models (Prompt, Category, Tag, Workflow)
├── ViewModels/          # MVVM ViewModels with business logic
├── Views/               # XAML views and UI
├── Controls/            # Custom controls (WorkflowCanvas, WorkflowNode, etc.)
├── Services/            # Business services (Database, Theme, Export, Search, AI, Workflow)
├── Properties/          # Application settings
└── Data/                # LiteDB database storage (created at runtime)

Technology Stack

• .NET 8.0 - Modern .NET framework
• WPF - Windows Presentation Foundation
• MaterialDesignThemes - Material Design UI components
• LiteDB - Lightweight NoSQL database for local storage
• Markdig.Wpf - Markdown rendering
• CommunityToolkit.Mvvm - MVVM helpers and commands
• Dependency Injection - Microsoft.Extensions.DependencyInjection

Installation

Prerequisites

• Windows 10/11
• .NET 8.0 SDK or Runtime

Build from Source

1. Clone the repository:

git clone https://github.com/Gown-dono/PromptBox.git
cd PromptBox

2. Restore NuGet packages:

dotnet restore

3. Build the solution:

dotnet build

4. Run the application:

dotnet run --project PromptBox/PromptBox.csproj

Release Build

dotnet publish -c Release -r win-x64 --self-contained

The compiled application will be in PromptBox/bin/Release/net8.0-windows/win-x64/publish/

Usage

Creating a Prompt

1. Click "New Prompt" in the left sidebar
2. Enter a title, category, and tags (comma-separated)
3. Write your prompt content in the left editor (Markdown supported)
4. Preview renders in real-time on the right
5. Click "Save" to store the prompt

Searching and Filtering

• Use the search bar to find prompts by title, content, tags, or category
• Click on a category in the sidebar to filter by category
• Click on a tag to filter by that specific tag
• Clear filters by clicking the selected item again

Exporting

• Single Prompt: Select a prompt and use "Export as MD" or "Export as TXT"
• All Prompts: Use "Export All (JSON)" in the sidebar for backup
• Copy to Clipboard: Quick copy button for immediate use

Importing

• Click "Import (JSON)" in the sidebar
• Select a previously exported JSON file
• All prompts will be imported as new entries

Data Storage

All data is stored locally in:

PromptBox/Data/promptbox.db

This LiteDB database file contains all your prompts, categories, and tags. You can back it up by copying this file.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

• MaterialDesignInXAML - Beautiful Material Design components
• LiteDB - Lightweight NoSQL database
• Markdig - Markdown processor
• CommunityToolkit.Mvvm - MVVM helpers

Contact

Project Link: https://github.com/Gown-dono/PromptBox