Dropbrain

Drop anything in, quiz it into memory.

Paste text or a web URL, generate active-recall multiple-choice quizzes, and review what you miss.

Stack

• Hono API on Cloudflare Workers
• React SPA + Vite (@cloudflare/vite-plugin)
• D1, Firecrawl Scrape API, DeepSeek
• AI rate limits: Workers Rate Limiting bindings + @hono-rate-limiter/cloudflare

Setup

Requires pnpm and a global Wrangler CLI (brew install wrangler or npm i -g wrangler).

pnpm install
cp .dev.vars.example .dev.vars
# Fill DEEPSEEK_API_KEY
# FIRECRAWL_API_KEY is optional for testing, recommended for production.
pnpm run db:migrate:local
pnpm run dev

API

• POST /api/sources { type: "text"|"url", content|url }
• POST /api/quizzes { sourceId, count? }
• GET /api/quizzes/:id
• POST /api/quizzes/:id/submit { answers: [{ questionId, choice }] }