Surf CLI

Surf CLI - Browser Automation for AI Agents

Skill for using surf-cli to control Chrome browsers. This tool enables browser automation through simple CLI commands over Unix sockets.

IMPORTANT: Always use npx surf instead of a globally installed surf command.

Prerequisites

1. Chrome must be running with the Surf extension loaded
2. First run npx surf to verify connection to browser

Core Commands

Navigation

# Navigate to a URL
npx surf go "https://example.com"

# Back/forward navigation
npx surf back
npx surf forward

# Reload the page
npx surf tab.reload

Reading Page Content

# Get accessibility tree + visible text (best for understanding page structure)
npx surf read

# Get just the text content
npx surf page.text

# Get page state (URL, title, etc.)
npx surf page.state

Screenshots

# Take a screenshot (auto-resized to 1200px for token efficiency)
npx surf screenshot

# Full resolution screenshot
npx surf screenshot --full

# Screenshot with element annotations
npx surf snap

Interaction

# Click an element (use CSS selector or text)
npx surf click "button.submit"
npx surf click "Sign In"

# Type text into focused element
npx surf type "hello world"

# Type into specific element
npx surf type "hello world" --selector "input[name=email]"

# Press keyboard keys
npx surf key "Enter"
npx surf key "Tab"
npx surf key "Escape"

# Scroll
npx surf scroll down
npx surf scroll up
npx surf scroll "selector"  # Scroll element into view

Tab Management

# List all tabs
npx surf tab.list

# Open new tab
npx surf tab.new "https://example.com"

# Switch to tab by index or name
npx surf tab.switch 2
npx surf tab.switch "Gmail"

# Close current tab
npx surf tab.close

# Name current tab (for easier switching)
npx surf tab.name "My Tab"

AI Service Integration

Use the browser's logged-in sessions to interact with AI services:

# Send prompt to ChatGPT
npx surf chatgpt "Explain quantum computing"

# Send prompt to Gemini
npx surf gemini "Write a haiku about coding"

# Send prompt to Perplexity
npx surf perplexity "Latest news on AI"

Common Workflows

Form Filling

# Navigate to form
npx surf go "https://example.com/login"

# Fill fields
npx surf click "input[name=email]"
npx surf type "user@example.com"
npx surf key "Tab"
npx surf type "password123"

# Submit
npx surf click "button[type=submit]"

# Verify result
npx surf screenshot

Web Scraping/Reading

# Navigate and wait for content
npx surf go "https://example.com/article"

# Get page content
npx surf read

# Take screenshot for visual verification
npx surf screenshot

Multi-Tab Workflow

# Open multiple research tabs
npx surf tab.new "https://docs.example.com"
npx surf tab.name "Docs"
npx surf tab.new "https://github.com/repo"
npx surf tab.name "GitHub"

# Switch between them
npx surf tab.switch "Docs"
npx surf read
npx surf tab.switch "GitHub"
npx surf read

Smart Defaults

• Screenshots auto-resize to 1200px to conserve tokens
• Actions automatically capture screenshots (reduces round-trips)
• Network requests are logged automatically

Troubleshooting

# Check connection status
npx surf

# If no connection, ensure:
# 1. Chrome is running
# 2. Surf extension is installed and enabled
# 3. Extension has connected (check extension popup)

Tips

1. Use npx surf read to understand page structure before clicking
2. Use npx surf snap to see annotated elements when unsure what to click
3. Name tabs with npx surf tab.name for easier management in multi-tab workflows
4. Actions return screenshots automatically - check results after each interaction