Skill name must contain only lowercase letters, numbers, and

Error message

Skill name must contain only lowercase letters, numbers, and hyphens

What it means

Validation in skill_creator's name validation: the skill name contains characters outside lowercase letters, digits, and hyphens (e.g. spaces, underscores, uppercase), so it cannot be used as a skill identifier.

Source

Thrown at crates/settings_ui/src/pages/skill_creator.rs:397

    fn current_name(&self, cx: &App) -> String {
        self.name_editor.read(cx).text(cx)
    }

    fn current_description(&self, cx: &App) -> String {
        self.description_editor.read(cx).text(cx)
    }

    fn current_body(&self, cx: &App) -> String {
        self.body_editor.read(cx).text(cx)
    }

    fn current_url(&self, cx: &App) -> String {
        self.url_editor.read(cx).text(cx)
    }

    fn recompute_name_error(&mut self, cx: &mut Context<Self>) {
        let name = self.current_name(cx);
        let error = validate_name(&name).err();
        self.name_error = error;
        self.name_editor
            .update(cx, |field, cx| field.set_error(error, cx));
    }

    fn recompute_description_error(&mut self, cx: &mut Context<Self>) {
        let description = self.current_description(cx);
        self.description_length = description.chars().count();
        let error = validate_description(&description).err();
        self.description_error = error;
        self.description_editor
            .update(cx, |field, cx| field.set_error(error, cx));
    }

    fn recompute_body_error(&mut self, cx: &App) {
        let body = self.current_body(cx);
        self.body_error = if body.trim().is_empty() {
            Some("Body is required.")

View on GitHub (pinned to 9d272b0363)

Solutions

Use only lowercase letters, numbers, and hyphens in the name
Auto-slugify the name as the user types
Display the allowed character set in the validation error

Defensive patterns

Strategy: validation

When it happens

Trigger: Thrown at crates/settings_ui/src/pages/skill_creator.rs:397 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of zed-industries/zed@9d272b0363 (2026-08-20). Data as JSON: /api/errors/155adf84957f719e. Report an issue: GitHub.