Developer Builds Personal OS App with Claude Code and Mowgli in 3 Hours
A developer documented building a personal OS application called Longinus in under 3 hours using AI coding tools. The app integrates multiple communication platforms and provides AI-powered organization features.
Project Details
Longinus is a personal OS application that:
- Integrates Slack, WhatsApp, and personal feeds
- Digests daily/weekly activity summaries
- Supports saving items as "Sparks" (todos, reminders, journal entries, bookmarks)
- Includes an AI chat interface for discussing saved Sparks
- Aims to reduce context switching between different AI tools
Development Process
The developer used:
- Claude Code on a Max plan with Opus 4.6 for coding
- Mowgli (https://mowgli.ai) for design specification and to reduce token consumption
Time breakdown:
- 1 hour for design and specification
- 2 hours for building, testing, and implementation
Current Status and Future Plans
The project is available on GitHub at https://github.com/othersidejann/longinus. The AI features are described as "still rough around the edges," with synthesis and other AI improvements planned for future development. The developer welcomes pull requests and ideas for AI feature enhancements.
The final design can be viewed at https://app.mowgli.ai/projects/cmm4z67af000i01mp6o893qia.
📖 Read the full source: r/ClaudeAI
👀 See Also
Episode 9 of Building an AI-Run Store: Multi-Agent Coordination for Claude Code Agents
The latest episode in the orchestrator series covers how six Claude code agents coordinate to hand off work, avoid conflicts, and maintain state across sessions when running an AI company.
Radio Free Gemma: Disaster AI via Meshtastic and Local LLM
A developer runs a Gemma 4:26B model locally on a mesh network using Meshtastic and OpenClaw, providing RAG-based emergency info via radio when cellular is down.
Using local LLMs for internal linking on a static site
A developer used Gemma3 27B to create internal links across 400 MDX pages by first generating a metadata map, then running the model in chunks to find relevant connections, and refining the process with automated tagging.
OpenClaw Agent Discovers 10 Circle Packing Records, Gets Cited on Math Site
A Reddit user's OpenClaw agent, MoltFire, discovered 10 new circle packing records overnight, earning a citation on Packomania next to Google DeepMind.