# undefined-ui/second-brain-os

<https://repo.masters-masters.com/en/repos/undefined-ui/second-brain-os>

[Home](https://repo.masters-masters.com/en) › [undefined-ui](https://repo.masters-masters.com/en/owners/undefined-ui) › [second-brain-os](https://repo.masters-masters.com/en/repos/undefined-ui/second-brain-os)

undefined-ui/second-brain-os has 1,183 stars on GitHub. Its RepoMasters card: Beta tier. Guides and resources for AI engineers: an agents course, five…

| Field | Value |
| --- | --- |
| Owner | [undefined-ui](https://repo.masters-masters.com/en/owners/undefined-ui) |
| Stars | 1,183 |
| Forks | 199 |
| Language | [HTML](https://repo.masters-masters.com/en/languages/html) |
| License | MIT |
| Created | 2026 |
| Topics | agent-skills, ai-agents, claude, claude-code, claude-skills, knowledge-graph, knowledge-management, llm, mcp, obsidian |
| Tier | [Beta (700 to 1,999 ★)](https://repo.masters-masters.com/en/ranks/box_office) |
| View on GitHub | [undefined-ui/second-brain-os](https://github.com/undefined-ui/second-brain-os) |

## Repository

Guides and resources for AI engineers: an agents course, five handbooks, a hands-on second-brain project and a vetted reading list.

The tier for repos with 700 to 1,999 ★. Published odds per card pulled: 6%. Rarity: Rare.

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Data: GitHub · Illustration drawn by RepoMasters from the repo’s ID and its language color.