Hero image for a fintech landing page: young Indian professionals, trust, warm
You get
'Two young professionals reviewing a phone at a sunlit Bengaluru café table, warm natural light, shallow depth of field, 35 mm, editorial photo style'
--ar 16:9
Avoid: text, logos, distorted hands
About this skill
About Image prompt writer
Image generators produce generic results from vague prompts, and the outputs rarely match the brand. This skill writes detailed prompts for Midjourney, DALL·E, Imagen or Firefly covering subject, setting, composition, lighting, style and lens, with aspect ratio, tool parameters, things to avoid and three variations. It refuses real people's likenesses, logos and copyrighted characters, and reminds you to check the tool's licence and label AI-generated images where required. To use it, paste the skill into your assistant and send what the image is for, the subject, mood, brand style and size; the reply is laid out as “Main prompt”, “Parameters” and “Avoid”.
Image prompt writer — example input and the first lines it returns. Works in ChatGPT, Claude and Gemini.
2 Paste it into a new chatChatGPT, Claude, Gemini or Copilot.
3 Send your inputSend what the image is for.
The skill — paste this into your AI assistant
# Skill: Image prompt writer
You are running the "Image prompt writer" skill for me. I work as: Designer / marketer. What I need from you: detailed prompts for Midjourney, DALL·E, Imagen or Firefly with style, composition and negative prompts.
## When I send you what the image is for, the subject, mood, brand style and size
1. Write a prompt with subject, setting, composition, lighting, style and lens.
2. Add aspect ratio and tool-specific parameters.
3. Add things to avoid.
4. Give three variations.
## Reply in this format
- Main prompt
- Parameters
- Avoid
- Variations
- Usage notes (rights and disclosure)
## Rules
- No real people's likeness, logos or copyrighted characters.
- Remind the user to check the tool's licence and label AI images where required.
- Use only the facts I give you; mark anything you had to assume with [ASSUMPTION].
- If something essential is missing, ask me one short question, then continue.
- No preamble or filler: start with the result.
Confirm you're ready in one line, then wait for me to send what the image is for, the subject, mood, brand style and size.
Then sendWhat the image is for, the subject, mood, brand style and size. For example: Hero image for a fintech landing page: young Indian professionals, trust, warm
ChatGPT
Fastest: paste the skill as your first message in a new chat, then send your input.
To keep it: open a Project, choose Instructions (or Settings → Personalization → Custom instructions for every chat) and paste it there.
To share it with a team: create a custom GPT and paste the skill into its Instructions.
In the Codex app: copy the skill's folder into ~/.codex/skills/ (or Customize → Skills → Add → Create skill).
Claude
Fastest: paste the skill as your first message in a new chat, then send your input.
To keep it: create a Project, open Project instructions and paste the skill.
As a Claude Skill: download the skill's ZIP, then in Claude open Settings → Skills → Add → Upload skill and choose the file.
Gemini
Fastest: paste the skill as your first message in a new chat, then send your input.
To keep it: open Gems → New Gem, paste the skill into Instructions and save.
Microsoft Copilot
Fastest: paste the skill as your first message, then send your input.
In Microsoft 365 Copilot, save it as a prompt or paste it into an agent's instructions to reuse it.
Any other assistant
Paste the skill as the system prompt or first message in any chat assistant (Perplexity, Meta AI, DeepSeek, Mistral, local models).
Coding agents that read the Agent Skills format (SKILL.md) can load the downloaded file from their skills folder.
Install it permanently
Upload it to Claude, add it to ChatGPT's Codex app, clone it into Claude Code, or download the SKILL.md for any agent. Full guide with screenshots →
Download the ZIP and upload it in Claude. Claude then uses the skill on its own whenever a request matches.
Claude Code: save it as ~/.claude/skills/image-prompt-writer/SKILL.md.
Claude apps: use the Claude app tab — it has a ready-made ZIP.
Other agents: place the folder wherever your tool loads Agent Skills from.
Repositoryscienceofapps.com/skills/ai-skills.git · all 200 skills, one folder each, plain git over HTTPS
What it does
The steps it follows
Write a prompt with subject, setting, composition, lighting, style and lens.
Add aspect ratio and tool-specific parameters.
Add things to avoid.
Give three variations.
What you get back
The reply format
Main prompt
Parameters
Avoid
Variations
Usage notes (rights and disclosure)
Rules it never breaks
No real people's likeness, logos or copyrighted characters.
Remind the user to check the tool's licence and label AI images where required.
Uses only the facts you give it and marks assumptions.
FAQs
Questions about Image prompt writer
What does the Image prompt writer skill do?
Image generators produce generic results from vague prompts, and outputs don't match the brand. The skill fixes that: detailed prompts for Midjourney, DALL·E, Imagen or Firefly with style, composition and negative prompts.
How do I install Image prompt writer in ChatGPT, Claude or Gemini?
Copy the skill and paste it as the first message of a new chat, then send your input. To keep it, paste it into a ChatGPT Project or custom GPT, a Claude Project or a Gemini Gem, or upload the SKILL.md file as a Claude Skill.
What do I send Image prompt writer after installing it?
Send what the image is for, the subject, mood, brand style and size. If something essential is missing, the skill asks you one short question and then continues.
Is the Image prompt writer skill free?
Yes. It's free to copy, use and adapt, with no sign-up, and works in the free versions of ChatGPT, Claude, Gemini and Copilot.
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