Chappy.co // Engineering Intelligence

Chappy sells cognitive architectures, not prompts. Load a Chappy as system context into Claude, ChatGPT, or Gemini, and it changes how the model thinks. It learns your cadence. It doesn’t waste your time. Built for bootstrappers doing real work. Each gem includes specific operational modes and session handoff briefs. No subscriptions. One-time acquisition. The Productivity Engine is completely free. Drop it in and let the output prove it.