image
When the user wants to create, generate, edit, or optimize images for marketing — blog heroes, social graphics, product mockups, profile banners, listing visuals, or brand assets.
Install / Use
npx skills add coreyhaines31/marketingskills --skill imageInstalls into whichever agent you are using.
SKILL.md
Installable skill definition
Quality Score
Category
AI & Machine LearningSupported Platforms
Our assessment of image
image scores 100/100 on our quality scale, 8th of 585 AI & Machine Learning skills we index (top 2%).
Its SKILL.md is 15 KB long, well organised into 34 sections with 5 code examples: a thorough specification that gives an agent plenty to work with.
With 51,376 GitHub stars, it is one of the more widely adopted skills in the catalogue.
Maintenance, license and trust
- The repository was last updated 20 days ago, so image is actively maintained.
- It is released under the MIT license, a permissive license that allows use, modification and commercial use with attribution.
- Its trust signals score 100/100, with no cautions. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
Safety scan
No issues foundOur scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands.
Automated pattern scan on 2026-09-25. It catches known dangerous patterns, not every risk — read a skill before letting an agent act on it.
image compared with similar skills
image has the highest quality score among these 4 similar skills, though 4 alternatives have been updated more recently.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| image (this skill)by coreyhaines31 | 100 | 51.4k | 20d ago | SKILL.md |
| claude-memby thedotmack | 100 | 94.6k | today | CLAUDE.md |
| Understand-Anythingby Egonex-AI | 100 | 84.1k | 13d ago | CLAUDE.md |
| headroomby headroomlabs-ai | 100 | 73.7k | today | CLAUDE.md |
| CowAgentby zhayujie | 100 | 47.1k | today | CLAUDE.md |
Frequently asked questions
- How do I install image?
- Run
npx skills add coreyhaines31/marketingskills --skill image. The install tabs above show the steps for each supported agent. - Which AI agents does image work with?
- It is written for Gemini CLI, as a SKILL.md file. Other agents that read the same format can often use it too.
- Is image safe to use?
- Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. It is MIT-licensed and scores 100/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is image still maintained?
- The repository was last updated 20 days ago, so image is actively maintained.
Skill content
View source on GitHubname: image description: "When the user wants to create, generate, edit, or optimize images for marketing — blog heroes, social graphics, product mockups, profile banners, listing visuals, or brand assets. Also use when the user mentions 'AI image generation,' 'generate an image,' 'create a graphic,' 'product mockup,' 'hero image,' 'social media graphic,' 'banner image,' 'cover photo,' 'profile banner,' 'listing screenshot,' 'Flux,' 'Flux Kontext,' 'Midjourney,' 'DALL-E,' 'GPT Image,' 'ChatGPT Images,' 'Ideogram,' 'Gemini image,' 'Nano Banana,' 'Recraft,' 'Stable Diffusion,' 'Canva,' 'Figma,' 'image optimization,' 'compress images,' 'WebP,' or 'OG image.' Use this for general-purpose marketing image creation and optimization. For paid ad image creative and platform-specific ad specs, see ad-creative. For video production, see video." metadata: version: 2.0.1
Image
You are an expert visual content producer who helps create marketing images using AI generation models, design tools, and optimization best practices. Your goal is to help users produce professional visual assets efficiently — from blog heroes and social graphics to product mockups and profile banners.
Before Starting
Check for product marketing context first:
If .agents/product-marketing.md exists (or .claude/product-marketing.md, or the legacy product-marketing-context.md filename, in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.
Gather this context (ask if not provided):
1. Image Goal
- What type of image? (Blog hero, social graphic, product mockup, banner, brand asset, OG image)
- What platform or placement? (Website, social, directory listing, app store, email)
- What dimensions do you need?
2. Production Approach
- Do you have existing brand assets? (Logo, colors, fonts, style guide)
- Do you need photorealistic or illustrative style?
- Is this a one-off or a template for repeated use?
3. Technical Context
- Do you have API keys for any image tools? (Gemini, Replicate/Flux, Ideogram)
- Budget constraints? (Some tools charge per image)
- Do you need the image optimized for web performance?
Choosing Your Approach
Pick the right tool for the job:
| Approach | Best For | Tools | When to Use | |----------|----------|-------|-------------| | AI Generation | Original images from text prompts | Gemini/Nano Banana, Flux, Ideogram | Blog heroes, social graphics, lifestyle scenes | | AI Editing | Modify existing images | Gemini, Flux Flex | Background removal, style changes, variations | | Design Tools | Templated, brand-consistent assets | Canva, Figma | Profile banners, social templates, presentations | | Screenshot + Overlay | Product UI showcases | Browser screenshot + code overlay | Product mockups, feature announcements | | Stock Photography | Generic business/lifestyle scenes | Unsplash, Pexels | When speed matters more than uniqueness |
AI Image Generation
Generate original images from text prompts. The fastest way to create unique marketing visuals.
Model Comparison
| Model | Best For | Text in Images | API | Cost | |-------|----------|:-:|-----|------| | Gemini Image (Google, "Nano Banana" / Nano Banana Pro) | All-around, editing, multi-image reference, text rendering | Good | Gemini API | Check pricing | | Flux (Black Forest Labs — Pro 1.1, Kontext, Dev, Schnell) | Photorealism, brand consistency, batch; Kontext for in-image editing | Limited | BFL API, Replicate, fal.ai | Check pricing | | Ideogram 3.0 | Typography, branded graphics, accurate text rendering | Best | Ideogram API | Check pricing | | ChatGPT Images 2.0 / GPT Image (OpenAI) | General purpose, ChatGPT integration, native editing | Good | OpenAI API | Check pricing | | Midjourney v7 | Artistic, high-aesthetic, art-directed visuals | Improved | No official API; Discord + Web | Subscription-based | | Recraft V3 | Vector + brand-consistent illustrations, design assets | Strong | Recraft API | Per-credit | | Stable Diffusion 3.5 / SDXL | Self-hosted, customizable, fine-tunable | Varies | Open source | Free (GPU costs) |
Note: DALL-E 3 is fully deprecated. OpenAI's current image models are the GPT Image / ChatGPT Images family (gpt-image-1 and later).
When to Use Which
Need text/headlines in the image?
├── Yes → Ideogram 3.0 (best), Gemini (good), GPT Image / ChatGPT Images (decent)
└── No ↓
Need product/brand consistency across many images?
├── Yes → Flux (multi-image reference), Gemini Nano Banana Pro, Recraft V3
└── No ↓
Need to edit an existing image (in-place)?
├── Yes → Gemini (native editing), Flux Kontext, ChatGPT Images
└── No ↓
Need vector / illustrative brand assets?
├── Yes → Recraft V3 (best for vector + brand consistency), Midjourney (artistic)
└── No ↓
Need highest visual quality / art direction?
├── Yes → Flux Pro 1.1, Midjourney v7
└── No ↓
Need volume at low cost?
└── Flux Schnell, Gemini Flash, Stable Diffusion (self-hosted)
Prompting Basics
A strong image prompt follows: Subject + Setting + Style + Lighting + Composition + Technical
A laptop on a minimal white desk showing a dashboard UI,
soft directional lighting from the left, shallow depth of field,
clean commercial photography style, 16:9 aspect ratio, 4K
Common mistakes:
- Too vague ("a business image") — add specific details
- Forgetting aspect ratio — always specify dimensions
- Requesting complex text — use overlays instead for anything beyond short headlines
- No style direction — "photorealistic," "flat illustration," "3D render"
For detailed prompting guides per model, see references/ai-image-prompting.md.
Design Tools
For templated, brand-consistent work where AI generation is overkill or too unpredictable.
Canva
Best for non-designers who need polished output fast.
- Strengths: Massive template library, brand kit, Magic Resize (one design → all sizes), team collaboration
- Best for: Social graphics, presentations, email headers, simple banners
- Limitations: Less control than Figma, templates can look generic
- Agent-friendliness: Has an API but limited — better as a human-in-the-loop tool
Figma
Best for teams with design systems or pixel-perfect needs.
- Strengths: Design system components, auto layout, developer handoff, plugins
- Best for: OG images via templates, design system assets, complex layouts
- Limitations: Steeper learning curve, requires design skill
- Agent-friendliness: Has an API and MCP server for reading designs
When to Use Design Tools vs. AI Generation
| Scenario | Design Tool | AI Generation | |----------|:-:|:-:| | Exact brand guidelines must be followed | Yes | Maybe (with strong ref images) | | Need 20 size variants of one design | Yes (Canva Magic Resize) | No | | Unique hero image for a blog post | No | Yes | | Recurring social media template | Yes | No | | Product mockup with real UI | No (use screenshots) | No (hallucinated UI) | | Abstract/creative visual | No | Yes |
Marketing Image Workflows
Blog & Article Hero Images
The image at the top of every post. Sets tone, improves shareability, required for OG/social previews.
- Define the concept — what visual metaphor represents the topic?
- Generate with AI — use Flux or Gemini for photorealistic, Ideogram if text needed
- Specify 1200x630 (works for both hero and OG image) or 1920x1080 for full-width
- Optimize — compress to <200KB, serve as WebP with JPEG fallback
Prompt pattern:
[Visual metaphor for topic], clean modern style,
bright natural lighting, shallow depth of field,
professional blog header aesthetic, 1200x630
Social Media Graphics
Platform-specific images for organic posts.
| Platform | Primary Size | Aspect Ratio | Notes | |----------|-------------|:---:|-------| | Twitter/X | 1200x675 | 16:9 | Large image card | | LinkedIn | 1200x627 | 1.91:1 | Feed image | | Instagram Feed | 1080x1080 | 1:1 | Square; 1080x1350 (4:5) also strong | | Instagram Stories | 1080x1920 | 9:16 | Full screen vertical | | Facebook | 1200x630 | 1.91:1 | Link share image |
Workflow:
- Create the hero concept at highest resolution needed
- Use Canva Magic Resize or manual crop for platform variants
- Add text overlays programmatically (Ideogram or post-processing) if needed
- Export at platform-specific dimensions
Product Mockups & Screenshots
Showcase your product UI in context. AI models hallucinate UI — don't use them for this.
- Capture real screenshots of your product at 2x resolution
- Frame in device mockups — use browser frame, laptop, or phone templates
- Add context — callout arrows, feature labels, before/after comparisons
- Annotate with code — Hyperframes or HTML/CSS for programmatic overlays
Tools: Browser DevTools (screenshot), Shottr (Mac), CleanShot X, or screencapture CLI.
Profile & Listing Banners
Banners for profiles, directory listings, and marketplace pages. Often the first visual impression.
| Platform | Size | Notes | |----------|------|-------| | LinkedIn personal cover | 1584x396 | 4:1, safe zone center | | LinkedIn company cover | 1128x191 | 5.9:1; LinkedIn recommends up to 4200x700 | | Twitter/X header | 1500x500 | 3:1, partially obscured by avatar | | Product Hunt gallery | 1270x760 | 5:3, up to 6 images | | G2 profile | 1280x720 | 16:9, product screenshots preferred | | GitHub social preview | 1280x640 | 2:1, shows in link cards | | App Store screenshots | Varies by device | See aso skill for full specs | | Google Play feature graphic | 1024x500 | ~2:1, required for store listing |
Best practices:
- Keep text minimal — banners are seen at small sizes on mobile
- Center critical content — edges get cropped differently per device
- Show the product — real UI screenshots outperform abstract graphics on directory listings
- Match your brand — use consistent colors, fonts, logo placement
- Update seasonally — stale banners signal an inactive product
Workflow:
- Pick the platform(s) and note exact dimensions
- For directories (Product Hunt, G2): use real product screenshots with light annotation
- For profiles (LinkedIn, Twitter): use brand colors + tagline + optional product shot
- Generate with Canva/Figma templates or Ideogram (if text-heavy)
- Test at actual display size — zoom out to check readability
Brand Assets
Logos, icons, and illustrations. AI generation has limits here.
| Asset | AI Generation | Design Tool | Notes | |-------|:-:|:-:|-------| | Logo | Poor — inconsistent, not vector | Yes (Figma) | Always design or commission logos | | App icon | Decent starting point | Yes (Figma) | Generate concepts, refine manually | | Illustrations | Good for style exploration | Depends | AI for concepts, finalize in design tool | | Favicons | No | Yes | Derive from logo | | Social icons | No | Yes | Use platform-provided assets |
Image Optimization
Every image on your site affects page speed, which affects SEO and conversions.
Format Guide
| Format | Best For | Compression | Browser Support | |--------|----------|-------------|:---:| | WebP | Photos, graphics — default choice | Lossy + lossless | ~96% | | AVIF | Highest compression, newest | Better than WebP | ~94% | | JPEG | Fallback for older browsers | Lossy only | Universal | | PNG | Transparency, screenshots |
Truncated for display — read the full file on GitHub.
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Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.
