simple-cli-bot

A minimal CLI chatbot built with LangChain and Google Generative AI (Gemini).
It supports memory so the bot remembers previous messages in the same session.

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✨ Features

• Chat with Gemini 2.0 Flash from your terminal.
• Uses LangChain ConversationChain for natural flow.
• BufferMemory keeps track of the conversation context.
• Simple CLI interface with Node.js.

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📦 Installation

1. Clone this repo:

   git clone https://github.com/tanmayvaij/simple-cli-bot.git
   cd simple-cli-bot

2. Install dependencies:

   npm install

3. Create a .env file in the root directory and add your Gemini API key:

   GEMINI_API_KEY=your_api_key_here

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Usage

Run the bot:

npm start

Then start chatting:

user: Hello!
ai: Hi there! How can I help you today?

user: Remember my name is Tanmay
ai: Got it! I'll remember your name is Tanmay.

user: What's my name?
ai: Your name is Tanmay.

Exit anytime:

user: exit

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🛠 Tech Stack

• Node.js (TypeScript/JavaScript)
• LangChain JS
• Google Generative AI (Gemini 2.0 Flash)