From a purely technical view, skills are just an automated way to introduce user and system prompt stuffing into the context right? Not to belittle this, but ra

From a purely technical view, skills are just an automated way to introduce user and system prompt stuffing into the context right? Not to belittle this, but rather that seems like a way of reducing the need for AI wrapper apps since most AI wrappers just do systematic user and system prompt stuffing + potentially RAG + potentially MCP.