Yes, there are quite a few. You can check out fanfiction platforms like Archive of Our Own. Just search for 'jackson protective of stiles' and you'll find a variety of stories with different plotlines and writing styles.
Archive of Our Own (AO3) is a great place to start. It has a large collection of fanfiction, and you can easily search for 'jackson protective of stiles' to find relevant stories.
Because Stiles is a beloved character. His storylines and character development are often very engaging in the original work. Fans who love him want to protect the fanfiction related to him to ensure that his essence is maintained and not misrepresented in these fan - created stories.
There's also 'Protective Peter: Stiles' Shield'. It focuses on how Peter's past experiences shape his determination to keep Stiles safe. Peter sees a lot of his own vulnerability in Stiles and refuses to let the younger boy face the same hardships he did. It's filled with some intense action scenes where Peter shows his unwavering protection.
One common theme is loyalty. Peter's loyalty to Stiles drives his protective actions. He might not show it in the most conventional way, but he is always there for Stiles when it matters. For example, in many fanfictions, he will go against his own pack or other powerful entities to safeguard Stiles.
One possible fanfiction could be that Stiles gets injured during a fight with a supernatural creature. Scott, being his best friend and a werewolf, immediately goes into protective mode. He uses his enhanced senses to track down any remaining threats and then stays by Stiles' side at the hospital, growling at anyone who seems to pose a danger to his friend. He even shares his werewolf strength to help Stiles heal faster, in a very subtle way that no one else notices.
One possible fanfiction could be where Stiles gets injured during a fight with a supernatural creature. Derek, who has grown to care for Stiles deeply, immediately goes into protective mode. He growls at any potential threats, and takes Stiles to a safe place. He then uses his werewolf abilities to heal Stiles as much as he can, all while Stiles is looking at him with a mixture of pain and admiration.
There could be. Fanfiction is a vast world, and the 'Jackson is Stiles' baby concept might have been explored by many authors. However, the quality can vary greatly. It depends on what you're looking for in a story, whether it's fluff, angst, or something else. You might have to sift through a few to find one that really grabs you.