Skill Creator (Build Your Own Skill)
Interview-driven skill authoring: describe what you want, answer edge-case questions, get a drafted SKILL.md plus test prompts you can iterate on.
Before & after
Same prompt, same agent — the only difference is the skill.
That's a useful skill to build. I could help you create a starting point by outlining what you'd want the skill to do—basically, it would take your brand voice and generate subject lines that match your tone. You'd probably want to define what your brand voice looks like, maybe give some examples, and specify what kinds of subject lines matter most. From there, we could draft some instructions and test them out with different scenarios. You might want to include parameters like length constraints or the emotion you're trying to evoke. We'd probably need to iterate on the results to make sure they feel right. Would you like to start by describing your brand voice in detail, or would you rather work from existing subject lines?
SKILL CREATOR: BUILD EMAIL SUBJECT LINE SKILL INTERVIEW PHASE → What is your brand voice? (tone descriptors: e.g., "helpful but direct", "witty and irreverent") → What do you NEVER want in a subject line? (banned words, banned approaches) → What's the ideal character count? → Who is the audience for these emails? → What job should each subject line do? (create urgency / curiosity / trust / action) DRAFT SKILL.MD → Instructions locked to your voice specs → Guardrails that block banned patterns → Examples from your best past subject lines → Output format: plain text, max 60 chars TEST PHASE (3 test prompts run) → Prompt 1: New product launch email → Prompt 2: Customer win-back offer → Prompt 3: Educational/thought leadership EVALUATION → You score each result (1-5) → Score feeds revision loop → Changes locked when you confirm DELIVERABLE → Packaged skill folder → Ready to install into Claude Code → Your SKILL.md and test prompts included
About this skill
name: skill-creator description: Use when interview-driven skill authoring: describe what you want, answer edge-case questions, get a drafted SKILL.md plus test prompts you can iterate on.
Skill Creator (Build Your Own Skill)
The Skill Creator is a skill for making skills, and it drives Griffin's iterative approach. You tell Claude what you want the skill to do (a skill that generates mobile app screens in your design system, or writes UX copy in your brand voice). It interviews you about edge cases, input formats, and output expectations, then drafts a SKILL.md file. It doesn't stop there — it creates test prompts, runs them, shows results, and lets you evaluate whether the skill works. You give feedback, it revises, you repeat, then you package the folder and share it.
What you get
- Interview covering purpose, edge cases, input formats, expected outputs
- drafted SKILL.md file
- test prompts generated and run
- evaluation loop with revision
- packaged skill folder ready to share
Customize your output
- Skill purpose: what problem it solves
- Input format: text, files, URLs
- Output expectations: what a good result looks like
- Iteration: number of test-and-revise rounds
Example output
For a UX copy skill in your brand voice, Skill Creator asks about tone descriptors, banned words, and target character counts, drafts a SKILL.md, then runs three test prompts (empty state, error state, onboarding) and asks you to score each so it can revise.
Best for
Designers, PMs, and anyone extending Claude with custom domain plug-ins
SKILL.md preview
---
name: skill-creator
description: Use this skill when the user wants to design a new Claude skill through an interview process that produces a drafted SKILL.md plus test prompts to iterate on.
version: 1.0.0
category: Meta / Skill Engineering
author: AgentVolt
license: proprietary
tags:
- meta
- skill-engineering
- p1
---
# Skill Creator (Build Your Own Skill)
Runs an iterative, interview-driven process for authoring a new skill: interview the user about what they want, draft a SKILL.md, generate and run test prompts, review results together, and revise until it works.
## When to use
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