learning-science plugins

by HKTITAN

The Duolingo playbook as agent skills — retention, streaks, gamification, learning science, curriculum, efficacy, product metrics, experimentation, growth, brand, voice, culture, engineering, observability, and LLM feature design. Distilled from 750 posts on blog.duolingo.com plus the Handbook and Design System. Start at the /duolingo router; UI craft routes out to design-engineering.

by Jeremy Terhune

Design and evaluate instructional content with GUIDE — 10 learning-science archetypes and 60 theory-grounded dimensions mapped to the ADDIE lifecycle. Bundles the GUIDE skill plus a 13-agent ADDIE pipeline (router, 10 archetype specialists, curriculum-alignment gate, synthesizer, reviser) for end-to-end design and evaluation.