GitHub - sandgardenhq/sgai: Sandgarden AI Software Factory
Hacker News
February 25, 2026
AI-Generated Deep Dive Summary
Sandgarden AI Software Factory (Sgai), pronounced "Sky," is a groundbreaking tool that revolutionizes software development by leveraging goal-driven AI agents. Unlike traditional step-by-step AI tools, Sgai allows users to define their desired outcome, such as building a music sequencer web app or a drag-and-drop image compressor. Once the goal is set, multiple specialized agents—such as developers, reviewers, and designers—collaborate to plan, execute, and validate the project. This innovative approach streamlines development by breaking tasks into visual workflows, ensuring clarity and control for users. Sgai operates locally on your machine, maintaining privacy while automating complex processes.
The platform’s key strength lies in its multi-agent system, which assigns specific roles to agents based on the task at hand. For example, a developer agent writes code, a reviewer checks it for quality, and a safety analyst ensures compliance with standards. Before execution, users can review the plan, answer any clarifying questions from agents, and monitor progress in real-time. Sgai also includes success checks, such as running tests or linting, to ensure completion before marking a task done. This approach eliminates hidden AI reasoning by providing a transparent visual workflow diagram.
Sgai is designed for efficiency, with automated setup options via tools like opencode and manual installation guides for those who prefer more control. It supports popular development environments (e.g., Go, Node.js) and integrates seamlessly with version control systems like jj or Git. The platform also extracts reusable skills from past sessions, allowing agents to learn and improve over time. Sgai’s focus on local execution ensures that users retain full control over their code, with no automatic pushes to remote repositories unless explicitly approved.
For developers and tech enthusiasts, Sgai represents a significant leap forward in AI-assisted software development. By automating the planning, execution, and validation phases of development, it reduces manual effort while maintaining accountability and transparency. This tool is particularly valuable for startups and teams looking to accelerate their workflow without compromising on quality
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Originally published on Hacker News on 2/25/2026