MCP backend Use when: Any time-based animation, keyframe insertion, F-curve manipulation, shape-key editing, or driver setup in Blender. Before the first Blender call, read ../text-to-blender/references/mcp-backends.md. Prefer official MCP for shared capabilities; preserve the selected backend for the whole task. Tool names in recipes are client/legacy examples: map them through that reference and its agent-host guide. Blender Animation Animate properties over time. Most animation is just keyframes — the trick is choosing the right interpolation and easing for the motion's character. Decision…