What problem does it solve? Agent skills can fail installation due to malformed SKILL.md files, missing resources, or broken sub-scripts, leaving them stuck in an error state. This Skill provides the context and procedure to diagnose the failure, repair the installed files, and mark the skill as installed again. ## Core Features & Use Cases - Error Diagnosis: Analyzes the reported installation error and inspects all files in the skill directory collectively to find the root cause. - Surgical Repair: Guides fixes at the installed path, covering malformed SKILL.md frontmatter, missing resources, and incorrect sub-scripts. - Manifest Update: Updates the skill's entry in manifest.json by setting status to "installed" and clearing the error field so the UI refreshes automatically. - Use Case: A skill fails to install because its SKILL.md has invalid YAML frontmatter. Use this Skill to locate the file, correct the frontmatter, and update manifest.json so the skill becomes available again. ## Quick Start Fix the broken skill that failed installation and update its manifest.json entry to mark it as installed.