AssistX - Smart AI Reply

About

Features
Smart Reply Generation - Auto-extract tweet content, generate contextual AI replies with one click
Multi-Model Support - GLM, GPT-4o, Claude, DeepSeek, and more
Dual Protocol - Compatible with both OpenAI and Anthropic API formats
Multi-Provider - Configure and switch between multiple AI providers seamlessly
Flexible UI - Side Panel or Popup mode, your choice
Custom Prompts - Save and manage your own prompt template library
Bilingual UI - Full Chinese & English interface support
Direct Insert / Post - Insert reply to compose box or publish instantly
Installation
From Chrome Web Store (Recommended)
Coming soon — submit for review now.

Developer Mode (Manual)
git clone https://github.com/hunterlarcuad/x-reply-assist.git
Open Chrome → chrome://extensions/
Enable Developer mode (top right toggle)
Click Load unpacked → select this folder
Click the extension icon → enter your API Key
Quick Start
Navigate to any tweet on X
Click the AssistX icon to open the side panel
The extension auto-extracts the tweet content
Click Generate Reply — AI response appears in seconds
Copy, Insert into the compose box, or Publish directly
Configuration
API Key Setup
Provider	Get Your Key
ZhipuAI (GLM)	open.bigmodel.cn/usercenter/apikeys
OpenAI	platform.openai.com/api-keys
Anthropic	console.anthropic.com/settings/keys
Others	Enter custom Base URL + API key in settings
Supported Models
Provider	Models
GLM	glm-4-plus, glm-4.5-air, glm-4.7, glm-4.7-flash, glm-5, glm-5-turbo, glm-5.1
OpenAI	gpt-4o, gpt-4o-mini, gpt-4-turbo, o1-preview, deepseek-chat, deepseek-coder
Anthropic	claude-3-5-sonnet-latest, claude-3-5-haiku-latest, claude-3-opus-latest
Project Structure
├── manifest.json          # Manifest V3 config
├── background/            # Service worker
│   ├── api.js             # AI API integration (OpenAI + Anthropic)
│   └── index.js           # Message handling entry point
├── content/               # Content scripts (Twitter DOM)
│   ├── index.js           # Entry & message bridge
│   ├── loader.js          # Script injection
│   ├── sidebar.js         # Injected sidebar component
│   ├── twitter.js         # Twitter DOM handler
│   └── utils.js           # Prompt building utilities
├── libs/
│   └── storage.js         # Chrome storage wrapper
├── ui/
│   ├── popup.*            # Popup interface
│   └── sidepanel.*        # Side panel interface
└── assets/                # Icons (16/48/128/448px)
Privacy
All data stays on your device:

API keys stored locally via chrome.storage.local
No accounts, no tracking, no analytics
No data sent anywhere except your configured AI API endpoint
Full privacy policy: privacy.html | Online
Permissions Explained
Permission	Purpose
storage	Securely save settings & API keys
activeTab	Access current tab to extract tweet content
scripting	Inject content scripts for Twitter/X interaction
alarms	Support scheduled tasks
sidePanel	Provide side panel UI
Tech Stack
Chrome Extension Manifest V3 with ES Modules
Zero dependencies — pure vanilla JS, no frameworks
Service Worker architecture (no background page)