How do I install the Workflow Flux Upscaler skill?

Run npx skillmds@latest add steliosot/workflow-flux-upscaler in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Workflow Flux Upscaler skill do?

Workflow wrapper imported from `Flux Upscaler.json`. It is listed under Productivity on SkillMD.

Is Workflow Flux Upscaler safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Workflow Flux Upscaler?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Workflow Flux Upscaler free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Workflow Flux Upscaler?

steliosot (@steliosot) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Workflow Flux Upscaler by steliosot

Name: Workflow Flux Upscaler
Author: steliosot

File contents

workflow_flux_upscaler

Imported workflow skill generated from Flux 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

diffusion_model: flux1-dev-Q8_0.gguf -> models/diffusion_models
vae: ae.safetensors -> models/vae
clip: t5-v1_1-xxl-encoder-Q8_0.gguf -> models/clip
upscale_model: 4x_NMKD-Siax_200k.pth -> models/upscale_models

Custom Node Requirements

comfyui-easy-use
comfyui-gguf
rgthree-comfy

Routing Metadata

Family: upscaling
Input modalities: image, text_prompt
Output modalities: image/png
Model families: flux
Node count: 25
Complexity score: 4
Resource profile: medium
Estimated runtime: moderate (about 30-120s depending on server)
Max latent resolution hint: NonexNone
Max sampler steps hint: 20

Detected Models

diffusion_model: flux1-dev-Q8_0.gguf -> models/diffusion_models
vae: ae.safetensors -> models/vae
clip: t5-v1_1-xxl-encoder-Q8_0.gguf -> models/clip
upscale_model: 4x_NMKD-Siax_200k.pth -> models/upscale_models

Detected Custom Nodes

comfyui-easy-use
comfyui-gguf
rgthree-comfy

Runtime Warnings

Large model(s) detected; ensure enough VRAM and disk space.
Uses custom nodes; missing nodes can cause validation/runtime failures.

---name: workflow-flux-upscalerdescription: Workflow wrapper imported from `Flux Upscaler.json`.---# workflow_flux_upscalerImported workflow skill generated from `Flux 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- `diffusion_model`: `flux1-dev-Q8_0.gguf` -> `models/diffusion_models`- `vae`: `ae.safetensors` -> `models/vae`- `clip`: `t5-v1_1-xxl-encoder-Q8_0.gguf` -> `models/clip`- `upscale_model`: `4x_NMKD-Siax_200k.pth` -> `models/upscale_models`## Custom Node Requirements- `comfyui-easy-use`- `comfyui-gguf`- `rgthree-comfy`## Links- https://civitai.com/api/download/models/1377767?type=Model&format=SafeTensor&size=full&fp=fp32- https://discord.com/invite/gggpkVgBf3- https://huggingface.co/Akumetsu971/SD_Anime_Futuristic_Armor/resolve/main/4x_NMKD-Siax_200k.pth?download=true- https://huggingface.co/black-forest-labs/FLUX.1-schnell/resolve/main/ae.safetensors?download=true- https://huggingface.co/city96/FLUX.1-dev-gguf/resolve/main/flux1-dev-Q8_0.gguf?download=true- https://huggingface.co/city96/FLUX.1-dev-gguf/tree/main- https://huggingface.co/city96/t5-v1_1-xxl-encoder-gguf/resolve/main/t5-v1_1-xxl-encoder-Q8_0.gguf?download=true- https://huggingface.co/city96/t5-v1_1-xxl-encoder-gguf/tree/main- https://www.youtube.com/@pixaroma## Routing Metadata- Family: `upscaling`- Input modalities: `image, text_prompt`- Output modalities: `image/png`- Model families: `flux`- Node count: `25`- Complexity score: `4`- Resource profile: `medium`- Estimated runtime: `moderate (about 30-120s depending on server)`- Max latent resolution hint: `None`x`None`- Max sampler steps hint: `20`## Detected Models- `diffusion_model`: `flux1-dev-Q8_0.gguf` -> `models/diffusion_models`- `vae`: `ae.safetensors` -> `models/vae`- `clip`: `t5-v1_1-xxl-encoder-Q8_0.gguf` -> `models/clip`- `upscale_model`: `4x_NMKD-Siax_200k.pth` -> `models/upscale_models`## Detected Custom Nodes- `comfyui-easy-use`- `comfyui-gguf`- `rgthree-comfy`## Runtime Warnings- Large model(s) detected; ensure enough VRAM and disk space.- Uses custom nodes; missing nodes can cause validation/runtime failures.

Frequently asked questions

Workflow Flux Upscaler