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What you can do with Scumble

Scumble is a free, open-source Windows desktop image editor that uses AI models to inpaint, edit, upscale and generate, with each result returned as its own layer.

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DenRakEiw/scumble on GitHub

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Authorization notice. This tool is dual-use. Only use it on software, sites and systems you own or have explicit permission to test, and follow the relevant licenses and terms of service.

What do you want to do?

4 use cases

  • Replace part of a photo with an AI layer that matches

    Select an area, describe the change, and get a colour-matched layer you can mask, blend or undo.

    View prompt
    Using the Scumble repo at https://github.com/DenRakEiw/scumble, help me replace the selected area of <path to picture> with <description of change> through my API key for <provider>. Expected output: an edited picture with the result as a separate layer. Verify that the result appears as its own layer and that the status line names the provider used.

  • Generate a new picture from boxes and reference images

    Draw boxes on an empty canvas, describe each one, and have FLUX 3 Image build the scene.

    View prompt
    Using the Scumble repo at https://github.com/DenRakEiw/scumble, create a new image on an empty canvas with boxes described as <list of box descriptions> using FLUX 3 Image with my Black Forest Labs key. Expected output: a generated picture returned as a layer. Verify that each boxed area reflects its description.

  • Let Claude Code edit pictures in Scumble through MCP

    Connect Claude Code to Scumble's MCP server so an agent can select, generate, match and export.

    View prompt
    Using the Scumble repo at https://github.com/DenRakEiw/scumble, connect through its MCP server and select the area <selection description> in the open document, then generate <description of change>. Expected output: a new layer in the open document and an exported file at <output path>. Verify that the new layer appears in the window and that undo reverts it.

  • Export a layered PSD from a local ComfyUI edit

    Run inpainting on your own ComfyUI and export the result as a PSD with layers and masks.

    View prompt
    Using the Scumble repo at https://github.com/DenRakEiw/scumble and its ComfyUI-InpaintCanvas node pack, run an inpainting edit on <path to picture> against my local ComfyUI at <server address> and export a PSD to <output path>. Expected output: a PSD file with one layer per edit. Verify that the PSD opens with layers and masks intact.

How to use Scumble

  1. Check you have what it needs: Windows 10 or 11, 64-bit (the README lists Windows as the platform that runs today); Either an API key for a supported provider such as Black Forest Labs, OpenAI, Google or fal.ai, or a ComfyUI server with the ComfyUI-InpaintCanvas node pack installed; A picture to edit, and a short written description of the change.
  2. Open DenRakEiw/scumble on GitHub and read the README and license.
  3. Download the Windows installer from https://github.com/DenRakEiw/scumble/releases/latest or run winget install scumble in a terminal.
  4. Open Scumble, press Ctrl+, to open Settings, go to API providers, paste your provider key and press Save.
  5. Open your picture, select the area to change with the brush, rectangle, lasso or magic wand, and type what should be there.
  6. Run the generation and check the new layer; move the Match slider in the layer's row if the colour does not blend well.

These steps come from our top use case, Replace part of a photo with an AI layer that matches, which also has a copy-paste agent prompt.

Scumble alternatives · Best AI repos for Content

About this repo

  • Who it is forDesigners, photographers and hobbyists who want to change part of a picture with AI while keeping every edit as a separate, adjustable layer.
  • Why it is hot
  • LanguageJavaScript
  • Sourcegithub.com/DenRakEiw/scumble · Back to Hot repos

Requirements

  • Windows 10 or 11, 64-bit (the README lists Windows as the platform that runs today)
  • Either an API key for a supported provider such as Black Forest Labs, OpenAI, Google or fal.ai, or a ComfyUI server with the ComfyUI-InpaintCanvas node pack installed
  • A picture to edit, and a short written description of the change
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Questions about Scumble

What is Scumble?

Scumble is a free, open-source Windows desktop image editor that uses AI models to inpaint, edit, upscale and generate, with each result returned as its own layer. It is an open-source project on GitHub: https://github.com/DenRakEiw/scumble.

Who is Scumble for?

Designers, photographers and hobbyists who want to change part of a picture with AI while keeping every edit as a separate, adjustable layer.

What can I do with Scumble?

4 use cases so far, for example: Replace part of a photo with an AI layer that matches; Generate a new picture from boxes and reference images; Let Claude Code edit pictures in Scumble through MCP. Each has steps and a copy-paste agent prompt.

What do I need to run Scumble?

Windows 10 or 11, 64-bit (the README lists Windows as the platform that runs today); Either an API key for a supported provider such as Black Forest Labs, OpenAI, Google or fal.ai, or a ComfyUI server with the ComfyUI-InpaintCanvas node pack installed; A picture to edit, and a short written description of the change.

What are alternatives to Scumble?

Other hot AI repos in Content: Voice Studio, Anatomy, Comfy UI, Hyperframes, Earshot.

Is Scumble safe to run?

Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.