https://aescripts.com/guides/

Guides script for After Effects adds more power when working with guides inside the app, such as copy/pasting guides around multiple compositions, moving, rotating, saving, quickly adding guides around layers, and more.

• Set the state of the Lock Guides, Snap to Guides, Show Guides for multiple compositions.
• Copy/paste guides across multiple compositions or layers.
• Save/apply guides for later use or to share with a team.
• Clear guides across multiple compositions.
• Rotate and move guides horizontally or vertically.
• Add guides at the edge, or the center of the composition or a layer.
• Griddify compositions or layers by adding guides every X pixels.
• Add guides by dividing compositions or layers into X peaces.
• Wrap guides around the edges of compositions or layers.