> LLM's have function / tool calling built into them. No major models have any direct knowledge of MCP.

but the major user interfaces for operating LLMs do and that's what matters

> Not only do you not need MCP, but you should actively avoid using it.

> Stick with tried and proven API standards that are actually observable and secure and let your models/agents directly interact with those API endpoints.

so what's the proven and standard API I can use to interact with ableton live? blender? unity3d? photoshop?