A precision clip that holds your MacBook lid one centimeter open — so clamshell sleep never kills Claude Code, Codex or Cursor mid-run again.

One machined body. Three soft-padded prongs. Nothing to configure, charge, or install. It clips to the edge of your MacBook and holds the lid exactly one centimeter open — wide enough that the lid sensor never reports "closed", narrow enough that the screen stays dark.

caffeinate blocks idle sleep — not clamshell sleep. The instant your lid closes, macOS suspends everything: your agent dies at 80% of a 40-minute task. RomeLid stops the trigger itself, so you can slide the machine into a bag and walk out while it works. Keep vents clear; that centimeter is also airflow.

Train, café, red-eye. Pair RomeLid with caffeinate -i and tmux, and a long agent run survives the commute. Open the lid at the other end to finished work — not a dead session.
Free shipping (typically 7–14 business days) · 60-day returns