Markdownlint

Validate markdown files follow formatting standards. Enables consistent documentation, readable diffs, and POSIX compliance.

What this skill does

1. Checks if markdownlint-cli is installed; installs if missing.
2. Detects project-specific markdownlint configuration or falls back to a minimal default config.
3. Validates markdown files for formatting, structure, and style.
4. Optionally auto-fixes common issues with --fix flag; reports errors with specific rules and fixes.

Installation check