Agent skill · writing content · nicholasspisak
second-brain-lint
Health-check the wiki for contradictions, orphan pages, stale claims, and missing cross-references. Use when the user says "audit", "health check", "lint", "find problems", or wants to improve wiki quality.
Why this skill is useful
Adds a comprehensive set of actionable scripts for auditing and improving wiki quality that the AI wouldn't generate on its own.
What it needs
Requires bash installed locally. About 3k tokens when loaded. Last updated 2026-04-07. 661 stars on the source repository.
What this skill does
Second Brain — Lint Health-check the wiki and report issues with actionable fixes. Audit Steps Run all checks below, then present a consolidated report. 1. Broken wikilinks Scan all wiki pages for [[wikilink]] references. For each link, verify the target page exists. Report any broken links. Cross-reference against actual files in wiki/. 2. Orphan pages Find pages with no inbound links — no other page references them via [[wikilink]]. For each .md file in wiki/sources/, wiki/entities/, wiki/concepts/, wiki/synthesis/: Extract the page name (filename without extension) Search all other wiki pages for [[Page Name]] If no other page links to it, it's an orphan 3. Contradictions Read pages that share entities or concepts and look for conflicting claims. Flag when: Two source summaries make opposing claims about the same topic An entity page contains information that conflicts with a source summary Dates, figures, or factual claims differ between pages 4. Stale claims Cross-reference source dates with wiki content. Flag when: A concept page cites only old sources and newer sources exist on the same topic Entity information hasn't been updated despite newer sources mentioning that entity 5. Missing pages Scan for [[wikilinks]] that point to pages that don't exist yet. These are topics the wiki mentions but hasn't given their own page. Assess whether they warrant a page. 6. Missing cross-references Find pages that discuss the same topics but don't link to each other. Look for: Entity pages that mention concepts without linking them Concept pages that mention entities without linking them Source summaries that cover the same topic but don't reference each other 7. Index consistency Verify wiki/index.md is complete and accurate: Every page in wiki/sources/, wiki/entities/, wiki/concepts/, wiki/synthesis/ has an index entry No index entries point to deleted pages Entries are under the correct category header 8. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills nicholasspisak/second-brain-lint