Ostack

Ostack is an Obsidian plugin that brings AI agent skills directly into the Obsidian note-taking environment. It lets users invoke structured agent tasks — research, summarisation, career planning, writing — from within their notes without switching context.

The backend runs on Next.js, Node.js, Magic UI, PostgreSQL, and Tailwind CSS. Custom agent skills power the task execution layer, and the plugin communicates with the backend via a REST API. Designed for knowledge workers who want AI assistance embedded in their existing workflow rather than a separate tool.