Big news today from Apple: Keynote is getting an open, JSON-based file format (.keyx), plus a Python library to create Keynote files on any platform. Pages, Numbers and Keynote files today are closed and hard to modify unless you use AppleScript (limited and old) or Shortcuts (a huge pain), so you can’t really use AI to make documents in those formats. This was a HUGE pain inside Apple as well as outside, and most tools worked around it by making a PowerPoint file and importing it into Keynote, which wasn’t perfect. Creator Studio subscribers on the Mac also get MCP support in Keynote, Pages and Numbers, so you can bring your own AI agent to read, edit and automate all three. Both the new format and MCP support arrive in November. Bringing an AI-friendly format to Keynote (and I assume Pages and Numbers soon after) is a big positive change.