Module skills 

Skill system: file-based capability extension.

Skills are markdown files in specific directories that can be loaded on-demand to extend the agent’s capabilities.

Structs

Skill

A discovered skill with metadata.

SkillParam

A parameter declared in a skill’s frontmatter.

SkillRef

A reference document within a skill’s refs/ directory.

SkillScript

An executable script within a skill’s scripts/ directory.

SkillSection

A named section within a skill’s body, delimited by ## Section Name.

Enums

SkillMode

Injection mode for a skill.

Functions

default_skill_index_budget

Default byte budget for skill_index rendering.

discover_skills

Discover skills in the given search paths.

extract_skill_body

Extract the body of a SKILL.md file, stripping YAML frontmatter if present.

parse_skill_meta

Parse YAML frontmatter (if present) from skill content.

skill_index

Render a compact “available skills” block for the system prompt.

skill_index_with_budget

Render skill_index constrained to byte_budget bytes total.

skill_reminder

Render the available-skills catalog as a <system-reminder> block.

skills_for_injection

Select skills whose mode is Always, plus any Trigger skills whose triggers match the given goal text.