Agent Building Examples

Master ConnectOnion through practical examples, from simple fundamentals to advanced automation

Progressive Learning Path

Calculator

Learn the basics

Browser

Advanced automation

Calculator AgentStart Here

Learn the fundamentals with a simple math calculator that demonstrates tool creation, input validation, and error handling

What you'll learn:

Function toolsInput validationError handlingSafe evaluation

Code Preview

def calculate(expression: str) -> str:
    # Validate input safety
    allowed = set('0123456789+-*/()., ')
    if not all(c in allowed for c in expression):
        return "Error: Invalid characters"
    
    try:
        result = eval(expression)
        return str(result)
    except:
        return "Error: Invalid expression"

Browser Automation

Intermediate

Control web browsers with natural language using Playwright integration for screenshots, scraping, and automation

What you'll learn:

Browser controlScreenshotsWeb scrapingNatural language commands

Code Preview

# Control browser with natural language
agent.input("Navigate to example.com")
agent.input("Take a screenshot")
agent.input("Extract all links from the page")
agent.input("Fill search box with 'AI' and submit")

Ready to Build Your First Agent?

Start with the Calculator example to learn the fundamentals, then advance to Browser automation

Start with Calculator

Threat Model

Calculator