# Workflow Nunchaku Fluxmania Txt2img 2k Ratio Upscaler

> Workflow wrapper imported from `Nunchaku Fluxmania txt2img - 2K Ratio Upscaler.json`.

- Skill: `steliosot/workflow-nunchaku-fluxmania-txt2img-2k-ratio-upscaler` (Agent Skill, multi-file: 6 files)
- Install (CLI): `npx skillmds@latest add steliosot/workflow-nunchaku-fluxmania-txt2img-2k-ratio-upscaler`
- Raw SKILL.md: https://api.skillmd.com/api/skills/steliosot/workflow-nunchaku-fluxmania-txt2img-2k-ratio-upscaler/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Productivity
- Author: steliosot (https://skillmd.com/u/steliosot)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/steliosot/workflow-nunchaku-fluxmania-txt2img-2k-ratio-upscaler

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# workflow_nunchaku_fluxmania_txt2img_2k_ratio_upscaler

Imported workflow skill generated from `Nunchaku Fluxmania txt2img - 2K Ratio Upscaler.json`.

## Family

- `upscaling`

## Inputs

- Optional runtime overrides supported by `run(...)`:
  - `prompt`
  - `negative_prompt`
  - `width`, `height`
  - `seed`, `steps`, `cfg`
  - `sampler_name`, `scheduler`, `denoise`
  - `server`, `headers`, `api_prefix`

## Outputs

- Returns JSON with:
  - `status`
  - `prompt_id`
  - `output_images`

## Model Requirements

- None detected from loader nodes.

## Custom Node Requirements

- `rgthree-comfy`

## Links

- None detected.

<!-- AUTO-METADATA-START -->
## Routing Metadata

- Family: `upscaling`
- Input modalities: `text_prompt`
- Output modalities: `image/png`
- Model families: `sd3`
- Node count: `10`
- Complexity score: `3`
- Resource profile: `medium`
- Estimated runtime: `moderate (about 30-120s depending on server)`
- Max latent resolution hint: `1280`x`1280`
- Max sampler steps hint: `None`

## Detected Models

- None detected.

## Detected Custom Nodes

- `rgthree-comfy`

## Runtime Warnings

- Medium-high resolution detected; expect moderate extra runtime.
- Uses custom nodes; missing nodes can cause validation/runtime failures.
<!-- AUTO-METADATA-END -->