second-brain-os

by undefined-ui1.1k

An AI second brain that maintains itself. Full guide, starter vault, agent skills and scripts for a self-organizing knowledge base in Claude Code and Obsidian.

Install

The skill file stays in the publisher's repository.

Paste the copied command in a terminal. It installs this SKILL.md into that agent.

npx skills add undefined-ui/second-brain-os -a cursor -y

Download skill SKILL.md on GitHub

Related skills

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R
reaReverse engineer anything with agents, from app behavior down to native binaries.
R
rea-changelog-updatePrepare or rewrite REA release changelogs and GitHub release notes from pinned Git history, with verified contributor thanks and Release Please synchronization.
R
rea-tool-designDesign or change REA investigation tools, CLI/MCP contracts, provider capabilities, and Evidence semantics.

Questions

How do I install second-brain-os?: Download SKILL.md from the publisher, or copy the path and open the repository. PlugMCP lists the skill and does not host the file.
Where does second-brain-os live?: The publisher keeps it at https://github.com/undefined-ui/second-brain-os.
Which agents can use second-brain-os?: Claude, Cursor, and Codex can read a SKILL.md you add from the publisher's repository.

SKILL.md is not stored on this record yet. Open it on GitHub.