What’s a little known AI tool that more people should know about?

Can someone explain the difference between CLI and MCP, and which one to use?

I’m wondering if anyone else is dealing with messy and large databases. For AI agents to properly function long term your data needs to be clean so that it can understand where to go, what everything means and how it all works together. Any recommendations for a tool or way to organize an existing database?

I am trying to get a 3d model in blender from a video, the actual model isn't too complicated, but the LLM is struggling to figure out the animation, the only option I have is going frame by frame but even so it's not perfect I am wondering if there is an mcp or something that can analyze a video interks of movement not just frame by frame

I made my first app today using ai took about 45m start to finish Let me know thoughts https://idie-249452233601.us-east1.run.app