
Rim Light Through Glasses
- The white rim cleanly separates hair and shoulders from black
- Glasses stay readable without flattening the eye shadows
- Film grain and soft focus keep the image analog
Wiggly / Format Lab /
Turn one portrait into a grainy, high-contrast black-and-white studio image with a glowing rim light, formal tailoring, and deep analog shadows.
One source image in. 1 inspected image out.
Judge identity preservation, formal styling, luminous rim light, controlled deep shadow, heavy analog grain, and black-and-white photographic realism.






Exact gathered prompt
Ultra-realistic cinematic black-and-white portrait of the subject in a formal black suit and tie, captured in a dark minimalist studio. The subject is slightly off-center, facing forward with a calm, serious expression and soft eye focus. Dramatic low-key lighting with a strong overhead/back light creates a glowing rim light around hair and silhouette, while the face fades into deep shadow. High contrast with smooth falloff into darkness builds a moody atmosphere. Apply heavy film grain and high ISO noise (3200–6400) for a raw analog feel. Add slight softness, subtle blur, and faint highlight bloom. Natural skin texture with visible pores. Monochrome grading with crushed blacks, soft highlights, and shallow depth of field (50mm, f/1.8).
Source: @skaigenerated · model shown: GPT Image 2
Prepare -> Validate -> Transform -> Inspect
One run pinned to the portrait, exact gathered prompt, and selected model route.
The portrait and prompt contract checked locally.
One dark-studio portrait from one approved prediction.
Explicit approval required
Automatic file checks plus an actual visual review.
Explicit approval required
SKILL.md--- name: wiggly-dark-studio-portrait description: Turn one portrait into a grainy, high-contrast monochrome studio portrait using the exact gathered SKAI prompt. --- # Dark Studio Portrait Use the packaged runner and exact prompt. Do not call Replicate separately or create another render path. Ask one short question: > Which portrait should I turn into a Dark Studio Portrait? Then run: ```bash npm run format:skai-image -- init --format=dark-studio-portrait --run=<id> --input=<absolute-image-path> npm run format:skai-image -- validate --format=dark-studio-portrait --run=<id> npm run format:skai-image -- estimate --format=dark-studio-portrait --run=<id> npm run format:skai-image -- render --format=dark-studio-portrait --run=<id> --approve-paid npm run format:skai-image -- inspect --format=dark-studio-portrait --run=<id> npm run format:skai-image -- inspect --format=dark-studio-portrait --run=<id> --visual-pass --review-notes="<specific observations>" npm run format:skai-image -- finalize --format=dark-studio-portrait --run=<id> --approve-final ``` Hard rules: - Preserve the source identity. - Keep the exact gathered prompt unless the user explicitly requests a change. - Use Nano Banana 2 by default, Lite for economy, Pro for premium, or GPT Image 2 for the creator's source route. - Validate before spending and never render without `--approve-paid`. - Persist and resume the prediction id. - Never exceed three attempts. - View the output and record specific visual-review notes before finalizing. - Never print, store, or commit `REPLICATE_API_TOKEN`.
requirements.json{
"runtime": {
"node": ">=22",
"commands": ["npm"]
},
"providers": [
{
"name": "Replicate",
"models": [
"google/nano-banana-2-lite",
"google/nano-banana-2",
"google/nano-banana-pro",
"openai/gpt-image-2"
]
}
],
"environment": [
{
"name": "REPLICATE_API_TOKEN",
"secret": true,
"requiredFor": ["render", "resume"]
}
],
"notes": [
"All smoke and validation commands are local.",
"No proof generation was purchased for this package.",
"One render attempt is one paid prediction.",
"Paid generation requires explicit approval and is capped at three attempts."
]
}
inputs.json{
"required": [
{
"id": "portrait",
"type": "image",
"formats": ["jpg", "png", "webp"],
"minimumWidth": 512,
"minimumHeight": 512,
"maximumBytes": 26214400
}
],
"question": "Which portrait should I turn into a Dark Studio Portrait?",
"defaults": {
"model": "nano-banana-2",
"aspectRatio": "3:4",
"outputCount": 1
},
"modelRoutes": {
"economy": "google/nano-banana-2-lite",
"default": "google/nano-banana-2",
"premium": "google/nano-banana-pro",
"source": "openai/gpt-image-2"
}
}
pipeline.json{
"progress": "Prepare -> Validate -> Transform -> Inspect",
"attemptCap": 3,
"stages": [
{
"id": "prepare",
"output": "One run pinned to the portrait, exact gathered prompt, and selected model route.",
"paid": false,
"approvalRequired": false
},
{
"id": "validate",
"output": "The portrait and prompt contract checked locally.",
"paid": false,
"approvalRequired": false
},
{
"id": "transform",
"output": "One dark-studio portrait from one approved prediction.",
"paid": true,
"approvalRequired": true
},
{
"id": "inspect",
"output": "Automatic file checks plus an actual visual review.",
"paid": false,
"approvalRequired": true
}
]
}
prompts/transform.txtUltra-realistic cinematic black-and-white portrait of the subject in a formal black suit and tie, captured in a dark minimalist studio. The subject is slightly off-center, facing forward with a calm, serious expression and soft eye focus. Dramatic low-key lighting with a strong overhead/back light creates a glowing rim light around hair and silhouette, while the face fades into deep shadow. High contrast with smooth falloff into darkness builds a moody atmosphere. Apply heavy film grain and high ISO noise (3200–6400) for a raw analog feel. Add slight softness, subtle blur, and faint highlight bloom. Natural skin texture with visible pores. Monochrome grading with crushed blacks, soft highlights, and shallow depth of field (50mm, f/1.8).
quality.json{
"automatic": [
"Exactly 1 decodable JPG, JPEG, PNG, or WebP output",
"At least 640x800 pixels",
"Aspect ratio matches the selected route within 0.02",
"At least 50 KB"
],
"visual": [
"The source identity remains recognizable",
"The subject wears a formal black suit and tie",
"A strong overhead or back light creates a clean halo around hair and shoulders",
"The face falls into deep shadow with smooth high-contrast falloff",
"Heavy film grain, slight softness, pores, and faint bloom feel analog",
"The result is a black-and-white photograph rather than CGI or illustration"
],
"finalization": {
"automaticPassRequired": true,
"visualPassRequired": true,
"reviewNotesRequired": true,
"explicitApprovalFlag": "--approve-final"
}
}