Yeah... maybe you need to have your eyes open and read carefully the MPLAB supported list link i'd posted, i'll help you a little bit
PICkit 2 MPLAB 7.51 & 7.52 Support

Debugging & Programming

* PIC12F683*
* PIC16F684*, 685*, 687*, 688*, 689*, 690*
* PIC16F883, 884, 886, 887
* PIC16F913, 914, 916, 917, 946

* These devices require an ICD header board to enable debugging with them.

Programming only

* PIC12F508, 509, 510
* PIC12F675
* PIC16F505, 506

now compare it to the PICKIT 2 standalone utility supported list... MPLAB one is nothing... But it allow ICD, while the standalone don't