This sample must produce SF0003 (unparsable YAML) and must never crash the CLI.
The second item under compatibility is indented one space less than the first. YAML rejects the
document, and SkillForge has to report that as a diagnostic pointing at the offending line rather than
as a stack trace.
1---2name: invalid-frontmatter3description: Invalid Frontmatter4---56# Invalid Frontmatter78This sample must produce SF0003 (unparsable YAML) and must never crash the CLI.910The second item under `compatibility` is indented one space less than the first. YAML rejects the11document, and SkillForge has to report that as a diagnostic pointing at the offending line rather than12as a stack trace.
Run npx skillmds@latest add netanlatakademi/invalid-frontmatter in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.
Invalid Frontmatter It is listed under Coding & Dev Tools on SkillMD.
This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.
This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.
Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.
NetAnlatAkademi (@netanlatakademi) published this skill. Their other Agent Skills are listed on their SkillMD profile.