Thoughtful Comment Ghostwriter

A Chrome extension that generates high-signal, thoughtful comments for LinkedIn and Reddit posts using OpenAI.

Features

• Platform Support: LinkedIn and Reddit post extraction
• Thought Leadership Modes: Builder, Strategist, Operator, Contrarian, Teacher, Curious Connector
• Voice Profile: Customizable tone and style
• History: Auto-saved generation history with JSON export

Project Structure

ghostwriter/
├── manifest.json                     Chrome extension manifest (MV3)
├── README.md
├── src/
│   ├── background/                   Service worker (ES modules)
│   │   ├── background.js             Message router entry point
│   │   ├── api.js                    OpenAI integration & comment generation
│   │   ├── history.js                Generation history persistence
│   │   └── prompt.js                 Prompt builder
│   ├── content/                      Content scripts (global scope)
│   │   ├── content.js                Message listener & platform router
│   │   ├── dom-utils.js              Shared DOM utilities
│   │   ├── linkedin.js               LinkedIn extractor
│   │   └── reddit.js                 Reddit extractor
│   ├── options/                      Settings page
│   │   ├── options.html
│   │   └── options.js
│   ├── popup/                        Extension popup
│   │   ├── popup.html
│   │   ├── popup.js
│   │   └── popup.css
│   └── shared/                       Shared utilities
│       └── storage.js                Chrome storage helpers
└── icons/                            Extension icons (add your own)

Local Development

1. Open chrome://extensions/ in Chrome
2. Enable Developer mode (top-right toggle)
3. Click Load unpacked and select this ghostwriter folder
4. Open the extension settings and add your OpenAI API key
5. Navigate to a LinkedIn or Reddit post and click the extension icon

To reload after changes, click the refresh icon on the extension card.

Adding a New Platform

1. Create src/content/<platform>.js with an extract<Platform>() function
2. Add the platform's URL pattern to manifest.json (host_permissions + content_scripts.matches)
3. Add the new JS file to manifest.json → content_scripts.js (before content.js)
4. Update extractPageData() in src/content/content.js to route to your extractor