Agent skill · software engineering · tradermonty
skill-designer
Design new Claude skills from structured idea specifications. Use when the skill auto-generation pipeline needs to produce a Claude CLI prompt that creates a complete skill directory (SKILL.md, references, scripts, tests) following repository conventions.
Why this skill is useful
Adds a script that generates a complete skill directory structure and prompt for Claude, which is not commonly available in public documentation.
What it needs
Requires python installed locally. About 2k tokens when loaded. Last updated 2026-08-06. 2,581 stars on the source repository.
What this skill does
Skill Designer Overview Generate a comprehensive Claude CLI prompt from a structured skill idea specification. The prompt instructs Claude to create a complete skill directory following repository conventions: SKILL.md with YAML frontmatter, reference documents, helper scripts, and test scaffolding. When to Use The skill auto-generation pipeline selects an idea from the backlog and needs a design prompt for claude -p A developer wants to bootstrap a new skill from a JSON idea specification Quality review of generated skills requires awareness of the scoring rubric Prerequisites Python 3.9+ No external API keys required Reference files must exist under references/ Workflow Step 1: Prepare Idea Specification Accept a JSON file (--idea-json) containing: title: Human-readable idea name description: What the skill does category: Skill category (e.g., trading-analysis, developer-tooling) Accept a normalized skill name (--skill-name) that will be used as the directory name and YAML frontmatter name: field. Step 2: Build Design Prompt Run the prompt builder: The script: 1. Loads the idea JSON 2. Reads all three reference files (structure guide, quality checklist, template) 3. Lists existing skills (up to 20) to prevent duplication 4. Outputs a complete prompt to stdout Step 3: Feed Prompt to Claude CLI The calling pipeline pipes the prompt into claude -p: Step 4: Validate Output After Claude creates the skill, verify: skills/<skill-name>/SKILL.md exists with correct frontmatter Directory structure follows conventions Score with dual-axis-skill-reviewer meets threshold Output Format The script outputs a plain-text prompt to stdout. Exit code 0 on success, 1 if required reference files are missing. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills tradermonty/skill-designer