@mpi
From Tapestries MUCK
The @mpi command is useful for testing bits of MPI without having to implement them on something. If can be particularly useful for quickly testing syntax and making sure all yours :'s ,'s and {}'s are in place. To use the command, simply type:
@mpi {some MPI
The muck will automatically attempt to interpret your MPI string at this point, and return the results or an error.
Setting Targets
A lot of MPI doesn't specify where something is and assumes this, me, or here. The result of this is needing to specify a location when using @mpi for testing. The same sort of issue occurs if your code is using {&cmd} or {&arg}. Examples of this are: