A quick post to share that Pirros recently released Mira, an MCP server inside Revit that provides access to the free version of Claude.
Learn more here: https://mira.pirros.com/
Here is one example of how you might use this tool... ask Mira to renumber all the doors based on the room number the door swings into. Before making changes, it provides a preview of what will change in the model!

