Synapse - AI-Powered Prompt Manager for macOS

Synapse: The Ultimate Prompt Management System

Synapse is a native macOS application designed to revolutionize how you manage and organize reusable prompts, context information, and knowledge items for your LLM workflows. Built with SwiftUI and powered by OpenRouter’s multi-model API, Synapse combines elegant design with powerful AI capabilities.

πŸš€ Key Features

Smart Organization

  • Three Main Sections: Prompts, Contexts, and Knowledge items
  • Custom Groups: Organize content into project-specific categories
  • Tag System: Advanced tagging and filtering capabilities
  • Favorites: Star important items for instant access

AI-Powered Generation πŸ€–

  • Multi-Model Support: Gemini 2.5 Pro, Claude 3.5 Sonnet, GPT-4o, and more
  • Smart Prompt Creation: Generate 3-5 contextually relevant prompts from any text
  • Template Variables: Auto-generated {variable} placeholders for dynamic content
  • Intelligent Organization: AI automatically suggests groups and tags

Advanced Search & Filtering πŸ”

  • Field-Specific Search: Search titles, content, tags, or everything
  • Date Range Filtering: Find items by creation/modification dates
  • Saved Search Queries: Store frequently used search configurations
  • Smart Collections: Built-in collections (Favorites, Recent, Today)

Workflow Enhancements ⚑

  • Global Hotkeys: Toggle app (⌘H) or create new prompts (⌘βŒ₯H) from anywhere
  • Three-Panel Layout: Intuitive sidebar β†’ list β†’ editor interface
  • Native macOS Experience: Built with SwiftUI for perfect OS integration
  • Import/Export: JSON-based backup and sharing capabilities

πŸ› οΈ Technical Excellence

Built with modern technologies:

  • SwiftUI - Declarative UI framework
  • Swift 5.0 - Native performance and memory safety
  • OpenRouter API - Unified access to multiple LLM models
  • JSON Storage - Human-readable data persistence
  • HotKey Library - System-wide keyboard shortcuts

🎯 Perfect For

  • Content Creators managing prompt libraries
  • Developers organizing code snippets and documentation
  • Researchers collecting and categorizing knowledge
  • Writers storing creative prompts and references
  • Anyone working with AI tools regularly

🌟 Getting Started

  1. Download Synapse from GitHub
  2. Set up OpenRouter API key for AI features
  3. Organize your prompts, contexts, and knowledge
  4. Generate new content with AI assistance
  5. Export your data for backup and sharing

πŸ“¦ Open Source

Synapse is built as a standard Xcode project with minimal dependencies, making it easy to build from source and contribute to its development.

Data Location: ~/Documents/synapse_data.json
Minimum Requirements: macOS 15.5


Transform your LLM workflows with organized, reusable content management.

🌐 GitHub: View Repo
πŸ’» Download: Available for macOS
πŸ€– AI-Powered: Generate prompts intelligently