Debug a WRONG or imperfect render (not a hard error) by inspecting inputs and intermediate steps with run-to-node — render one branch up to an output, preview-tap latents/masks/preprocessor maps, localize the first bad stage, then fix. Use when a final image/video comes out wrong — artifacts, wrong subject/pose/composition/color, blur, a ControlNet/IPAdapter/mask/LoRA not taking, a two-stage refiner or upscale degrading the result — rather than the run failing with an error (for errors/OOM/missing nodes use the troubleshooting skill).
How to install debug-render?
artokun/comfyui-mcp/debug-render
$npx -y skills add artokun/comfyui-mcp --skill debug-renderInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/artokun/comfyui-mcp" --skill "artokun/comfyui-mcp/debug-render"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/artokun/comfyui-mcp" that are relevant to the current task. Run `npx skills add "https://github.com/artokun/comfyui-mcp"` and select the relevant skills, then follow their instructions.
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