Inbox Summarizer

Paste a long email and get bullet points, action items, and deadlines using the OpenAI API.

Prerequisites

• Node.js 20+
• An OpenAI API key

Setup

cd backend
cp .env.example .env
# Edit .env and set OPENAI_API_KEY
npm install

cd ../frontend
npm install

Run the app

Use two terminals.

Terminal 1 — API

cd backend
npm run dev

Terminal 2 — UI

cd frontend
npm start

Open http://localhost:4200. The UI calls the API at http://localhost:3000.

Environment variables

Variable	Description
OPENAI_API_KEY	Required for summarization
OPENAI_MODEL	Model name (default: gpt-4o-mini)
PORT	API port (default: 3000)

Email Summarizer Agent

Email Summarizer AI Agent built with Angular frontend and Node.js/Express backend in TypeScript. The app sends long emails to an OpenAI‑powered agent that returns a concise bullet‑point summary, action items, and key deadlines.

Stack

• Frontend: Angular (TypeScript)
• Backend: Node.js + Express (TypeScript)
• AI: OpenAI Agents SDK (GPT model)
• Architecture: SPA + REST API

Project structure

• frontend/ – Angular app with summary form and service
  • src/app/components/summary-form
  • src/app/services/summary.service
• backend/ – Express TypeScript API
  • src/app.ts – main server file
  • src/controllers/summarizer.controller.ts
  • src/routes/summarizer.routes.ts

Installation

1. Backend (Node/Express TypeScript)

cd backend
npm install

Create .env in backend/ with your OpenAI key:

OPENAI_API_KEY=sk-...
PORT=3000

2. Frontend (Angular)

cd frontend
npm install

Running the app

1. Start backend

cd backend
npm run dev  # or npx tsx src/app.ts

2. Start frontend

cd frontend
ng serve

Then open http://localhost:4200 in your browser.

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Note: Make sure the backend is running on http://localhost:3000 so the Angular app can send emails to the summarizer API.

License

MoSalem149