Here are 3 workflows that contain the node XY Input: Checkpoint:

1.

Size: 20559 bytes

URL: https://github.com/noxouille/stable-diffusion-workflows/blob/dc053ca060d4083b2ef0bb0d8b36d46127540573/workflows/sd1.5-plotXY-workflow.json

2.

Size: 64984 bytes

URL: https://github.com/noxouille/stable-diffusion-workflows/blob/dc053ca060d4083b2ef0bb0d8b36d46127540573/workflows/sd1.5-plotXY-iterativeUpscale-finetune-workflow.json

3.

Size: 212237 bytes

URL: https://github.com/diffustar/comfyui-workflow-collection/blob/91779af19b6c2675b5e39d5d091d4c2bbdc619e5/workflows/ella/workflow.json