FAQ:

Q: What is this? A: This is a default Cydia repository for users of the Meridian Jailbreak. Due to differences in implementation, many of the default packages installed by Cydia have to be modified for use with Meridian. Q: Help! How do I add this repo back? A: If you accidentally removed the repository, you can add it back by tapping on the "Add to Cydia" button above. Q: Can I remove this? A: No! If you use the Meridian Jailbreak, it is not recommended that you remove this repository, otherwise you may end up destroying your jailbreak, or make it harder to recover from issues that may arise.