Validate and auto-repair YAML frontmatter on brain pages.
npx skills add https://github.com/weiping/gbrain-cn --skill frontmatter-guard
Please help me install this Agent Skill. Skill: frontmatter-guard Source: https://github.com/weiping/gbrain-cn/tree/main/skills/frontmatter-guard Command: npx skills add https://github.com/weiping/gbrain-cn --skill frontmatter-guard
It prevents malformed YAML frontmatter from breaking ingestion, audit, search, and downstream brain operations by validating and (when safe) repairing common structural and data issues before pages enter the system.
Ask your agent to run a frontmatter audit and return JSON counts of any issues it finds across the brain.
High-intent search queries and answers about installing and using this skill.
YAML frontmatter validation in CI runs targeted per-path checks to catch missing delimiters, slug mismatches, and parse failures before malformed documents enter ingestion. It outputs machine-readable JSON for automated pipeline integration.
Malformed YAML frontmatter breaks pipelines through missing delimiters, YAML parse failures, null bytes, nested-quote title issues, and empty frontmatter blocks that disrupt downstream document parsing and indexing operations.
Auto-repairing broken frontmatter applies fix mode with .bak backups for safe structural corrections, while leaving risky cases that require human review untouched to prevent data loss during validation.
Full-collection frontmatter auditing runs multi-source scans with per-source counts and sample outputs, identifying slug consistency errors and structural issues across the entire brain page dataset.
Frontmatter validation supports machine-readable JSON output, enabling automated processing of audit results and per-source issue counts for integration into CI linting and pre-commit workflows.
Auto-repairing YAML frontmatter is limited to safe, common structural fixes, deliberately avoiding risky repairs for complex cases like nested-quote title issues that typically require human review.
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