Skill errors

Name	Requirement
skill_manifest_missing	Skill must contain a SKILL.md file.
skill_bundle_too_large	Each compressed skill bundle must be within the MiB limit reported in the error.
skill_directory_hidden	Skill directory names must not begin with ..
skill_manifest_nested	Each skill directory must be an immediate child of skills/.
skill_manifest_not_regular_file	SKILL.md must be a regular file.
skill_manifest_unreadable	SKILL.md must be readable.
skill_manifest_invalid_utf8	SKILL.md must contain valid UTF-8.
skill_frontmatter_missing	SKILL.md must start with YAML front matter between --- lines.
skill_frontmatter_unclosed	SKILL.md YAML front matter must end with ---.
skill_frontmatter_yaml_malformed	SKILL.md front matter must contain valid YAML.
skill_frontmatter_wrong_type	SKILL.md front matter must contain a YAML mapping.
skill_name_missing	name is required and must not be empty.
skill_name_wrong_type	name must be a string.
skill_name_empty	name must be non-empty.
skill_name_character_unsupported	Skill front matter name must use supported text.
skill_description_missing	description is required and must not be empty.
skill_description_wrong_type	description must be a string.
skill_description_empty	description must be non-empty.
skill_description_too_long	description must be 1,024 characters or fewer.
skill_description_character_unsupported	Skill front matter description must use supported text.
skill_body_empty	Skill instructions must not be empty.
skill_identity_too_long	The combined plugin and skill name (plugin-name:skill-name) must be 64 characters or fewer.
skill_identity_duplicate	Each skill name must be unique within the plugin.