Expired50% confidenceFactTime unknown
Claude Code Skill files use the Front Matter format, with three hyphens (---) as delimiters to embed structured key-value pairs in the header of a Markdown file.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
VerifiedThe core carrier of Claude Code's Skills is the CLAUDE.md file, placed in the project root directory or a specific directory.72% similarUnverifiedClaude Code command files are stored in Markdown format.71% similarVerifiedClaude Code's Skill mechanism defines Claude's behavioral patterns and output styles by placing Markdown configuration files in the project's .claude/ directory.71% similarUnverifiedThe same Skill file can be used simultaneously on the Claude web interface, Claude Code command line, and API calls, achieving write-once, reuse-everywhere.71% similar
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