// featured · August 23, 2026
My Mac Ran Out of Headroom, So I Built Some
A runaway collection of agents, local models, and browser processes pushed my Mac past the point where Activity Monitor was useful. So I built System Headroom, and Apple's sandbox ended up shaping the product more than I expected.
Read essay$ vinny init agentic-sdlc → spinning up reasoning loop ✓ spec generated · 217 lines ✓ tests scaffolded · 14 cases ⚠ coverage gap detected · branch /auth → prompting refinement ✓ branch coverage · 96% // shipping behavior, not just code