Remote Server Administration Tools for Windows 7 with Service Pack 1 (SP1)
2012 Server – RSAT anche in 2008 R2 SP1 e 2008 SP2
Windows 10 - Remote Server Administration Tools for Windows 10
But there is an interesting feature that give you opportunity to link any script in mmc to launch them for remote monitoring/tasks.
Here is relative screenshot that well explain concept.
For example if you like to execute remote dcdiag or repadmin /summary on remote dc you can use them in conjunction with psexes and these diagnostic AD tools/commands:
Server – Effettuare il test di AD
Server - Commands to verify Domain Controller/Domain Status, schema version, move 5 PDC roles, export DHCP
PSexec - How to execute remote commands about .vbs, .exe, microsoft patch installation...
Here is article that explain mmc customization process
http://social.technet.microsoft.com/wiki/contents/articles/2816.how-to-create-custom-mmc-and-add-taskpad.aspx