Obsidian Brain

Q: What is a Claude Code skill and how does the Obsidian Brain skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Obsidian Brain is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: knowledge-mgmt · Last updated: 2026-05-21

tool:obsidian type:audit

Autonomous Obsidian vault management using the PARA + LLM Wiki pattern. Three operations: ingest (inbox to wiki + PARA routing), query (cross-vault synthesis), lint (health check). Scheduled via CronCreate 4x/day. Filesystem-only -- no Obsidian app dependency. Activate when the user mentions 'ingest', 'vault', 'wiki page', 'obsidian brain', 'vault lint', 'inbox', 'wiki index', 'knowledge base query', or wants to process, organize, query, or audit their Obsidian vault.

From the source SKILL.md

Autonomous vault management skill implementing the Karpathy LLM Wiki pattern. Teaches the agent to manage an Obsidian vault as a folder of markdown files using three operations: ingest, query, and lint.

What this skill does

Obsidian Brain is a community-contributed Claude Code skill in the knowledge-mgmt sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/obsidian-brain/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Obsidian Brain Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 138,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/obsidian-brain
curl -L https://claudskills.com/skills/obsidian-brain/SKILL.md \
  -o ~/.claude/skills/obsidian-brain/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/obsidian-brain/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/obsidian-brain/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\obsidian-brain\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Obsidian Brain Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/obsidian-brain/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Obsidian Brain skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Obsidian Brain skill?

Use Obsidian Brain when your Claude Code task falls under the General category — specifically in the knowledge mgmt area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Obsidian Brain" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Obsidian Brain skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Obsidian Brain is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/RyoyaYahagi/skills/blob/HEAD/obsidian-brain/SKILL.md
Author: RyoyaYahagi

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

RyoyaYahagi. (2026). Obsidian Brain [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/obsidian-brain/

BibTeX

@misc{obsidian-brain-2026,
  author    = {RyoyaYahagi},
  title     = {Obsidian Brain [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/obsidian-brain/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/obsidian-brain.svg)](https://claudskills.com/skills/obsidian-brain/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

More General skills

Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all General skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel · Telegram @acreatorstore