A MEL script is a file that contains MEL commands, MEL procedures, or both. Typically, you use a MEL script to create custom effects.
Using the Paint Scripts Tool, you can paint these effects on your surfaces the same way you paint weights.
A number of sample scripts are stored in the following directories:
Here are notes about a few particular scripts:
These scripts have not been thoroughly tested, and therefore are not supported, but they should be helpful when you are writing your own MEL scripts. For details on creating your own scripts, see Write MEL Scripts for the Paint Scripts Tool.