Struct SkillFrontmatter 

pub struct SkillFrontmatter {

    pub name: String,
    pub description: String,
    pub when_to_use: Option<String>,
    pub argument_hint: Option<String>,
    pub arguments: Option<Vec<String>>,
    pub disable_model_invocation: Option<bool>,
    pub user_invocable: Option<bool>,
    pub allowed_tools: Option<Vec<String>>,
    pub disallowed_tools: Option<Vec<String>>,
    pub model: Option<String>,
    pub effort: Option<SkillEffort>,
    pub context: Option<SkillContext>,
    pub agent: Option<String>,
    pub paths: Option<Vec<String>>,
    pub shell: Option<SkillShell>,
}

YAML frontmatter prepended to SKILL.md.

description remains required by this crate for cross-harness safety, even though Claude can infer it in some cases.

Fields

name: String

Skill identifier surfaced in tooling (typically matches the directory name).

description: String

Sentence (or short paragraph) explaining when the skill should activate. Required by both Claude and Antigravity; the activation model matches against this string.

when_to_use: Option<String>

Optional Claude when_to_use field.

argument_hint: Option<String>

Optional Claude argument-hint field.

arguments: Option<Vec<String>>

Optional Claude arguments list.

disable_model_invocation: Option<bool>

Optional Claude disable-model-invocation field.

user_invocable: Option<bool>

Optional Claude user-invocable field.

allowed_tools: Option<Vec<String>>

Optional allowed-tools list (Claude). When None, the field is omitted from the frontmatter.

disallowed_tools: Option<Vec<String>>

Optional Claude disallowed-tools list.

model: Option<String>

Optional Claude model override.

effort: Option<SkillEffort>

Optional Claude effort override.

context: Option<SkillContext>

Optional Claude context mode.

agent: Option<String>

Optional Claude agent to use with forked context.

paths: Option<Vec<String>>

Optional Claude paths list.

shell: Option<SkillShell>

Optional Claude shell override.

Trait Implementations

impl Clone for SkillFrontmatter

fn clone(&self) -> SkillFrontmatter

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SkillFrontmatter

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.