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Hook

Their other posts in the index, biggest breakout first.
Boris Cherny: Delete your CLAUDE.md every six months. Delete your skills. Delete your hooks. See what the model does and it might surprise you. And actually for opus 5 this is something we really do recommend is just try deleting all of these things, because the model might really just not need all those instructions that you needed for past models. I don't really understand that and I will not be deleting my Claude MD. Your Claude MD is specifically what you set up either at a project level or a user level to define your preferences. If I've set up my Claude MD in my specific code repo to do things a certain way, why would I remove that? I want that.