I added the CP-251 to MU modules so that I could use it in the patch editor.
Moog CP-251
Moog Control Processor
http://www.moogmusic.com/products/moogerfoogers/cp-251-mooger... Module Detail Page
Moog Control Processor
http://www.moogmusic.com/products/moogerfoogers/cp-251-mooger... Module Detail Page