After Effects After Effects is GUI software, so this skill delivers knowledge and ready-to-paste assets — expressions, rig setups, export checklists, diagnostic flows, naming schemes, and ExtendScript — rather than a rendered file. It is a hub covering four domains; route to the matching reference for depth and complete recipes. Routing | If the user wants to… | Go to | |---|---| | Write/debug an expression, rig sliders & nulls, build a MOGRT, export to Lottie | (deep cookbook in ) | | Choose a codec/container, export with alpha, fix a black background, set bitrate, recover H.264 | | | Fix sl…