TL;DR: Claude Code has an undocumented ~16,000 character budget for skill metadata. With typical 263-char descriptions, only ~42 skills fit. To show more skills, compress descriptions to ≤130 characters. Note: This is a skills-specific limit—the Tool Search Tool's
defer_loadingfeature does NOT apply to skills.
When using Claude Code with 63 installed skills, the system prompt showed: