Validate and auto-repair YAML frontmatter in brain markdown pages.
npx skills add https://github.com/GYF0311/lorekit --skill frontmatter-guard-gyf0311
Please help me install this Agent Skill. Skill: frontmatter-guard Source: https://github.com/GYF0311/lorekit/tree/main/brain/skills/frontmatter-guard Command: npx skills add https://github.com/GYF0311/lorekit --skill frontmatter-guard-gyf0311
Prevents malformed YAML frontmatter in brain pages from silently breaking later wiki builds by validating and auto-repairing structural issues before they propagate.
Ask your agent to run a frontmatter audit and return the JSON summary for the current brain sources.
High-intent search queries and answers about installing and using this skill.
Validating YAML frontmatter in markdown pages involves checking for missing delimiters, YAML parse failures, null bytes, slug mismatches, and nested quotes to prevent corrupted wiki artifacts and broken downstream tooling.
Batch auditing frontmatter issues involves running a repository-wide audit that returns a JSON summary envelope, catching structural problems like empty frontmatter and slug mismatches before they propagate to later wiki builds.
You can automatically fix malformed YAML frontmatter safely by applying mutations that create .bak backup files, ensuring original data is preserved while resolving structural issues like YAML parse failures and nested-quote title problems.
YAML frontmatter validation fails when encountering missing delimiters, null bytes, slug mismatches, nested-quote title issues, and empty frontmatter blocks, all of which silently break later wiki builds and downstream tooling.
The frontmatter auto-fix process skips ambiguous YAML errors like missing open markers or empty frontmatter to enforce safety-oriented guardrails, requiring explicit user input before attempting to resolve uncertain structural issues.
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