.FAF (Foundational AI-context Format) is a 40-line file that gives any AI instant project context.

  This post documents a real build session with Grok where:
  - Uploaded one .faf file
  - Grok scored it 95/100 and locked in full context
  - Built a complete GitHub PR code reviewer
  - Zero re-explaining across the entire session
  - I found 9 code issues, Grok fixed them, found 1 more, fixed that too

  Full Grok conversation: https://x.com/i/grok/share/bWWQ7qHbCjHc2Wx3G9WZUq5ay

  Format is open, MIT licensed, works with Claude, Grok, any AI.