Second Brain Audit
Audit any second brain, notes folder, or agent memory for facts that have quietly stopped being true, then fix the worst one so it stops recurring. Works on a wiki, a single notes file, daily notes, or a non-markdown tool, and adapts the fix to whichever it finds. Checks every current-sounding claim in whatever the agent loads each session against the freshest evidence, and separates contradicted claims from unsupported ones. Use when an assistant gives an outdated answer, when notes or memory files may be stale, when a vault needs checking for contradictions, or when someone asks how to stop a second brain from rotting, mentions memory rot, or asks about state versus event.
Security AStatic scan found no risk patternsHow grading works ›
From the source SKILL.md
Notes rot in a specific way. Nothing is corrupted and nothing goes missing: a fact simply stops being true, the note keeps saying it, and nothing raises a hand.
What this skill does
Second Brain Audit 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/second-brain-audit/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when an assistant gives an outdated answer, when notes or memory files may be stale, when a vault needs checking for contradictions, or when someone asks how to stop a second brain from rotting, mentions memory rot, or asks about state versus event.
Who uses this skill
The Second Brain Audit 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 178,000+ 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/second-brain-audit
curl -L https://claudskills.com/skills/second-brain-audit/SKILL.md \
-o ~/.claude/skills/second-brain-audit/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/second-brain-audit/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/second-brain-audit/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\second-brain-audit\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Telegram
📱 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.
Frequently asked questions
How do I install the Second Brain Audit Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy
SKILL.md from the source repository to
~/.claude/skills/second-brain-audit/SKILL.md and restart Claude Code. Both flows are detailed at
claudskills.com/install/.
What does the Second Brain Audit skill do?
Audit any second brain, notes folder, or agent memory for facts that have quietly stopped being true, then fix the worst one so it stops recurring. Works on a wiki, a single notes file, daily notes, or a non-markdown tool, and adapts the fix to whichever it finds. Checks every current-sounding claim in whatever the agent loads each session against the freshest evidence, and separates contradicted claims from unsupported ones. Use when an assistant gives an outdated answer, when notes or memory files may be stale, when a vault needs checking for contradictions, or when someone asks how to stop a second brain from rotting, mentions memory rot, or asks about state versus event.
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 Second Brain Audit skill?
Use Second Brain Audit 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 Second Brain Audit" or describe the task and let Claude pick). Browse related skills at
/category/general/.
What is a Claude Code skill and how does the Second Brain Audit 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. Second Brain Audit 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
Cite this skill
If you reference this skill in a blog post, paper, or documentation, you can cite it as:
APA
coleam00. (2026). Second Brain Audit [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/second-brain-audit/
BibTeX
@misc{second-brain-audit-2026,
author = {coleam00},
title = {Second Brain Audit [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/second-brain-audit/}
}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
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<script>
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<iframe src="https://claudskills.com/embed/second-brain-audit.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Second Brain Audit"></iframe>
Security scan
Grade A · scanned 2026-08-08 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
- ✓ Prompt injection
- ✓ Data exfiltration
- ✓ Supply chain
- ✓ Reverse shell
- ✓ Credentials
- ✓ Execution
- ✓ Filesystem
- ✓ Persistence
- ✓ Obfuscation
- ✓ Network
Show this grade on your repo (click to copy):
[](https://claudskills.com/skills/second-brain-audit/#security)
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