Material tweaks are death by a thousand clicks: open the instance, find the parameter, change it, repeat. v1.2’s 12 material.* tools hand that to your agent.
Parameters, both ways
Read or set scalar, vector, texture, and static-switch parameters; list every parameter on an instance; walk the parent chain with get_child_instances and set_parent; and see which textures a material actually uses.
Set the BaseColor of MI_Brick to a warm red and bump Roughness to 0.8.
The agent calls material.set_vector_parameter and set_scalar_parameter — and the material-recolor recipe wraps the common case into a single step.
Pair it with vision
Combine this with the screenshot loop (covered next) and the agent can recolor, look at the result, and adjust — closing the loop the way you would by eye.
Try it
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