System Prompts and Tools of Claude Chrome

中文版 README | English README

This repository contains system prompts and tool definitions for Claude Chrome, a web automation assistant.

📖 How Claude in Chrome works: For a detailed explanation of how Claude Chrome works, see How Claude Chrome Works.

📁 Project Structure

.
├── system/          # System prompts
└── tools/          # Tool definitions (JSON format)

📝 System Prompts

System prompts are located in the system/ directory:

• prompt-1.txt - Main system prompt with security rules, behavior instructions, and browser automation guidelines
• prompt-2.txt - Platform-specific information (Mac system, keyboard shortcuts)
• prompt-3.txt - Browser tabs usage instructions and best practices
• prompt-4.txt - Turn answer start instructions

🛠️ Tools

Tool definitions are located in the tools/ directory. Each tool is defined in a separate JSON file:

Page Reading & Navigation

• read_page.json - Get accessibility tree representation of page elements
• find.json - Find elements using natural language queries
• get_page_text.json - Extract raw text content from pages
• navigate.json - Navigate to URLs or browser history

Interaction & Automation

• computer.json - Mouse and keyboard interactions, screenshots
• form_input.json - Set values in form elements
• javascript_tool.json - Execute JavaScript code in page context

Tab Management

• tabs_create.json - Create new browser tabs
• tabs_context.json - Get context information about tabs

Media & Files

• upload_image.json - Upload images to file inputs or drag & drop targets
• gif_creator.json - Record and export browser actions as animated GIFs

Debugging & Monitoring

• read_console_messages.json - Read browser console messages
• read_network_requests.json - Read HTTP network requests

Utilities

• resize_window.json - Resize browser window dimensions

Custom Tools

• update_plan.json - Update and present plan to user for approval
• turn_answer_start.json - Mark the start of a turn response

📖 Usage

Each tool file contains a complete JSON definition with:

• name: Tool identifier
• description: What the tool does
• input_schema: Parameters and their types
• Additional metadata (e.g., type, cache_control)

System prompt files contain instructions and guidelines for the Claude Chrome assistant.

🔗 Related

This repository serves as a reference for:

• System prompt structure and content
• Tool definition schemas
• Browser automation capabilities