Claude Code for Everyone — Cohort 3

A collection of projects and Claude Code skills built during DAIR.AI's Claude Code for Everyone course (Cohort 3).

Projects

Deep Research (deep-research/)

A streaming AI research tool built with Next.js. Enter any topic and the AI breaks it into search queries, executes web searches via Exa, and produces a structured markdown report.

Tech stack: Next.js 16, React 19, Vercel AI SDK, OpenRouter (Gemini 3 Flash), Exa Search API, Tailwind CSS v4, shadcn/ui

Getting started:

cd deep-research
npm install

Create a .env.local file:

OPENROUTER_API_KEY=your_key_here
EXA_API_KEY=your_key_here

Run the dev server:

npm run dev

Open http://localhost:3000 to use the app.

Claude Code Skills

• deep-research-baseline — A CLI skill that conducts structured web research directly in Claude Code using a 5-phase workflow: query clarification, search, fetch/extract, analyze/synthesize, and report generation.