Agent Skills portable format router. Use when creating cross-client skills, validating portable frontmatter, packaging skills for upload or API use, or implementing skill discovery and activation.
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Use this skill for the portable Agent Skills boundary. Use
plugin-creator:claude-skills-overview-2026 instead for Claude Code runtime extensions such as
hooks, context forks, model selection, and invocation controls.
Load the reference that matches the current branch:
skills-ref behavior.Portable upload and package boundaries accept name, description, license, compatibility,
metadata, and experimental allowed-tools. Host extensions are outside this schema and may be
rejected rather than ignored.
Primary sources: Agent Skills specification and live client showcase (accessed 2026-09-24).
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If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.