⚡ AutoConnect: LinkedIn Automation Platform

A complete workflow featuring a custom Chrome Extension, automated LinkedIn interactions, and full backend integration.

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📌 Overview

This repository contains a complete LinkedIn automation ecosystem built using:

• Chrome Extension (Manifest V3)
• Automated browser interaction
• Custom backend API
• Database integration

The system is capable of:

✔️ Opening LinkedIn profiles automatically
✔️ Extracting profile data using DOM parsing
✔️ Sending data to a backend via REST API
✔️ Automating reactions and comments on feed posts
✔️ Rendering UI with validation inside extension popup
✔️ Fully configurable automation settings

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🚀 Features

🔹 1. Chrome Extension

• Custom popup UI
• Manifest V3 compliant
• Background scripts
• Content scripts
• Cross-page automation
• Input validation
• Inter-script messaging

🔹 2. LinkedIn Profile Analyzer

• Automatically opens multiple profile links

• Extracts:

  • Name
  • About
  • Bio
  • Location
  • Followers
  • Connections
  • Profile URL

• Sends structured JSON to backend

• Handles dynamic DOM layouts

🔹 3. Feed Interaction Automation

• Opens LinkedIn Feed
• Scrolls intelligently to load multiple posts
• Detects real post containers (not ads)
• Randomized selection of posts
• Auto-likes primary posts (not comment likes)
• Auto-comments using editable input field
• Highlights interacted posts with custom borders
• Smooth scrolling with timed delays

🔹 4. Backend API

• Node.js + Express
• Sequelize ORM
• SQLite / MySQL database
• API for storing and retrieving profile records
• Validation layer
• Structured responses
• Easy to deploy

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📁 Project Structure

📦 Project Root
│
├── 📁 linkedin-auto-reaction
│   ├── content.js
│   ├── manifest.json
│   ├── popup.html
│   └── popup.js
│
└── 📁 LinkedIn-Data-Extractor
    │
    ├── 📁 linkedin-backend
    │   ├── 📁 models
    │   │   ├── index.js
    │   │   └── profile.js
    │   │
    │   ├── db.sqlite
    │   ├── package.json
    │   ├── package-lock.json
    │   └── server.js
    │
    └── 📁 linkedin-extension
        ├── background.js
        ├── contentScript.js
        ├── manifest.json
        ├── popup.html
        ├── popup.js
        └── style.css

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🛠️ Tech Stack

Frontend / Browser Side

• JavaScript (ES6+)
• Chrome Extensions (Manifest v3)
• DOM automation
• Async operations with Promises
• Messaging API (runtime + tabs)
• CSS-based visual cues

Backend

• Node.js
• Express.js
• Sequelize ORM
• SQLite / MySQL
• CORS
• Body-parser

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🌐 API Documentation

📥 Create Profile

Body:

{
  "name": "John Doe",
  "url": "https://linkedin.com/in/johndoe",
  "about": "Tech leader",
  "bio": "Building scalable systems",
  "location": "USA",
  "followers": 20000,
  "connections": 500
}

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🧠 Extension Workflow

🔍 Profile Extraction Flow

• The user clicks the extension popup button
• The extension opens multiple LinkedIn profile URLs automatically
• Each page loads → content script injects
• The script extracts profile data from the DOM
• Data is structured and sent to backend API
• The tab is closed, and the next profile opens
• All events are logged clearly in the console

⚡ Feed Interaction Automation Flow

1. User enters:
   • Reaction count
   • Comment count
2. Button becomes enabled
3. Extension automatically navigates to LinkedIn Feed
4. Intelligent scrolling loads a batch of posts
5. Posts are filtered to ensure:
   • Not sponsored
   • Have like + comment buttons
6. Random posts are selected
7. Script performs:
   • 👍 Auto-Like on real posts
   • 💬 Auto-Comment (“CFBR”)
8. Final success alert is shown
9. Full logs visible in DevTools

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🧑‍💻 Author

Tejas Nere