AI-Based WhatsApp Reminder Bot

An AI-powered WhatsApp bot that helps users stay on top of their tasks!
Users can send their to-do items over WhatsApp, and the bot will:

• Parse the task and extract date/time using AI.
• Schedule reminders using cron jobs.
• Send WhatsApp reminders at the right time via Baileys API.

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Features

• Add tasks via WhatsApp messages
• AI-based natural language parsing (e.g., "Remind me to call mom at 6 PM")
• Cron-based task scheduling
• Lightweight storage with SQLite
• WhatsApp messaging powered by Baileys
• Simple and self-hosted

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Tech Stack

• Node.js – Server-side runtime
• Baileys API – WhatsApp Web API for messaging
• SQLite – Lightweight database for storing tasks
• Cron Jobs – Scheduling reminders
• AI/LLM – Natural language understanding

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.env File

Create a .env file in the root directory and add the following variables:

PHONE_NUMBER=your_whatsapp_number
GEMINI_API_KEY=your_gemini_api_key
PINO_LOG_LEVEL=info

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📂 Project Structure

├── src
│   ├── index.ts              # Main entry point, starts the bot
│   ├── ai.ts                 # Calls AI model for parsing task content
│   ├── language.ts           # Custom messages and responses
│   ├── messages.ts           # Parses messages and sends WhatsApp replies
│   ├── dbQueries.ts          # Database queries
│   ├── Database
│   │   └── db.ts             # SQLite connection setup
│   └── cron
│       └── index.ts          # Cron scheduler for reminders
├── package.json
├── README.md
└── .env                      # Environment variables

Setup & Installation

Clone the repository

git clone https://github.com/Durgadp08/RemainderBot.git
cd RemainderBot

Install dependencies

npm install

Configure environment variables

Create a .env file in the root directory and add your details

Running the Project

npm run cron

Running this command will generate a qr.png file in the project directory.

Scan this QR code with your WhatsApp app to log in and activate the bot.