Before Harry arrives at Hogwarts, the faculty have a meeting and decide that Harry will need a mentor to help him adjust, keep him out of trouble, and make protecting him easier. They decide that this person should the Head of the House into which Harry is sorted, presumably Minerva McGonagall. But things, of course, don't turn out as planned, and Harry is harder to deal with than anyone expected. Nobody asked him if he wanted a mentor, after all...

NOTE: This story has a prologue. It is not necessary to the plot of the story, but if you wish to read it, it is called(predictably enough) 'Prologue to Life as Dictated by a Talking Hat'

Takes Place: 1st Year - Snape flavour: None
Tags: Alternate Universe, Slytherin!Harry, SuperPower! Harry
Categories: Teacher Snape > Trusted Mentor Snape, Parental Snape > Guardian Snape

Severus Snape is a complicated man, but when it comes to protecting Harry Potter's life, there is nothing more simple than succeeding. When Severus finds himself caring for the boy after an attack, how will their relationship change? Snape-Harry mentor fic.

Takes Place: 6th summer, 6th Year, 7th summer - Snape flavour: Canon Snape, Snape Comforts, Snape is Kind, Snape is Loving, Out of Character Snape, Overly-protective Snape
Tags: Adoption, Animagus!Snape, Kidnapped, Pregnancy, Sibling Addition, Snape-meets-Dursleys
Categories: Teacher Snape > Trusted Mentor Snape

When Harry goes through some...changes...the summer before his Fifth year, his relatives don't react well. Suddenly Harry finds himself homeless and alone, and learning to cope with yet another whole new world he'd never known existed.

Takes Place: 6th summer, 7th summer - Snape flavour: None
Tags: Alternate Universe, Creature!fic
Categories: Snape Equal Status to Harry > Foes Snape and Harry, Parental Snape, Teacher Snape > Professor Snape

Harry and Hermione are de-aged to four year olds, and Snape is stuck looking after them.

Takes Place: 5th Year - Snape flavour: Snape is Loving
Tags: Adoption, Child fic, Deaged!Harry, Deaging, Snape-meets-Dursleys
Categories: Misc > All written in Snape's POV, Parental Snape > Guardian Snape

When Severus Snape discovers that Dumbledore has been using him in his plans to raise Potter like a pig for slaughter, Snape is livid. What happens when Snape discovers that Potter has been captured by Voldemort? After so many betrayals, with whom will Severus’s loyalties lie?

Takes Place: 7th summer - Snape flavour: None
Tags: Kidnapped
Categories: Reverse Roles > Healer Harry, Healer Snape, Snape Equal Status to Harry > Comrades Snape and Harry