a16z is backing Runta, a startup that wants to ‘parent’ your AI agents
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a16z is backing Runta, a startup that wants to ‘parent’ your AI agents

July 17, 20265 views6 min read

Learn to build a control system for AI agents that monitors and limits their activities, similar to Runta's approach to 'parenting' AI agents.

Introduction

In the rapidly evolving world of AI, autonomous agents are becoming more powerful and capable of performing complex tasks on our behalf. However, with great power comes great responsibility. This tutorial will guide you through creating a basic AI agent infrastructure that can be 'parented' using a control layer, similar to what Runta aims to achieve. You'll learn how to build a system that monitors and controls AI agent activities, ensuring they operate within defined boundaries.

Prerequisites

  • Basic understanding of Python programming
  • Intermediate knowledge of AI/ML concepts
  • Python 3.8 or higher installed
  • Required packages: openai, langchain, pydantic, requests
  • OpenAI API key (for demonstration purposes)

Step-by-Step Instructions

Step 1: Set Up Your Development Environment

Install Required Packages

First, create a virtual environment and install the necessary packages:

python -m venv ai_agent_env
source ai_agent_env/bin/activate  # On Windows: ai_agent_env\Scripts\activate
pip install openai langchain pydantic requests

This creates an isolated environment to prevent package conflicts and ensures you have all the tools needed for building AI agent controls.

Step 2: Create the Base Agent Class

Define the Core Agent Structure

Create a file called agent.py to define your base agent:

from pydantic import BaseModel
from typing import List, Dict, Any
import openai

class AgentConfig(BaseModel):
    name: str
    capabilities: List[str]
    max_budget: float = 100.0
    allowed_domains: List[str] = []


class BaseAgent:
    def __init__(self, config: AgentConfig):
        self.config = config
        self.history = []
        self.budget = config.max_budget
        
    def execute_task(self, task: str) -> Dict[str, Any]:
        # This is where the agent would perform its task
        # For now, we'll simulate execution
        result = {
            "task": task,
            "status": "completed",
            "cost": 1.0,
            "timestamp": "2023-01-01T00:00:00Z"
        }
        self.history.append(result)
        return result

This establishes the basic structure of an agent with configuration parameters and a task execution method. The configuration allows you to define what the agent can do and its limitations.

Step 3: Implement the Parent Control Layer

Create a Control System to Monitor Agents

Create a file called parent_control.py to implement the control system:

from agent import BaseAgent, AgentConfig
from typing import List, Dict, Any
import json

class ParentControl:
    def __init__(self):
        self.agents = {}
        self.activity_log = []
        
    def register_agent(self, agent: BaseAgent):
        self.agents[agent.config.name] = agent
        print(f"Agent {agent.config.name} registered")
        
    def check_budget(self, agent_name: str, cost: float) -> bool:
        agent = self.agents.get(agent_name)
        if not agent:
            return False
        
        if agent.budget >= cost:
            agent.budget -= cost
            return True
        else:
            print(f"Budget exceeded for {agent_name}")
            return False
            
    def monitor_activity(self, agent_name: str, activity: Dict[str, Any]):
        self.activity_log.append({
            "agent": agent_name,
            "activity": activity,
            "timestamp": "2023-01-01T00:00:00Z"
        })
        
        # Log the activity for review
        print(f"Activity logged for {agent_name}: {activity}")

This control layer acts as the 'parent' that monitors agent activities and enforces budget limits, similar to how Runta aims to protect users from potentially harmful AI actions.

Step 4: Create a Task Executor with Safety Checks

Implement the Agent Controller

Create a file called agent_controller.py:

from parent_control import ParentControl
from agent import BaseAgent, AgentConfig
import time

class AgentController:
    def __init__(self):
        self.control = ParentControl()
        
    def create_agent(self, name: str, capabilities: List[str], budget: float = 100.0) -> BaseAgent:
        config = AgentConfig(name=name, capabilities=capabilities, max_budget=budget)
        agent = BaseAgent(config)
        self.control.register_agent(agent)
        return agent
        
    def execute_with_control(self, agent_name: str, task: str) -> Dict[str, Any]:
        agent = self.control.agents.get(agent_name)
        if not agent:
            return {"error": "Agent not found"}
            
        # Check if agent has capability for task
        if not self._has_capability(agent, task):
            return {"error": "Agent lacks required capability"}
            
        # Execute task with budget check
        result = agent.execute_task(task)
        
        # Check budget and log activity
        if self.control.check_budget(agent_name, result["cost"]):
            self.control.monitor_activity(agent_name, result)
            return result
        else:
            return {"error": "Budget exceeded"}
            
    def _has_capability(self, agent: BaseAgent, task: str) -> bool:
        # Simple capability check - in reality, this would be more sophisticated
        for capability in agent.config.capabilities:
            if capability.lower() in task.lower():
                return True
        return False

This controller ensures that agents only perform tasks within their capabilities and stay within budget limits, providing a safety net similar to what Runta is trying to build.

Step 5: Demonstrate the System

Run a Sample Implementation

Create a file called demo.py to test your implementation:

from agent_controller import AgentController

# Initialize the controller
controller = AgentController()

# Create agents with different capabilities and budgets
travel_agent = controller.create_agent(
    name="TravelPlanner",
    capabilities=["booking", "travel", "flights"],
    budget=50.0
)

code_agent = controller.create_agent(
    name="CodeAssistant",
    capabilities=["coding", "programming", "development"],
    budget=100.0
)

# Execute tasks with safety checks
result1 = controller.execute_with_control("TravelPlanner", "Book a flight from NYC to LA")
print("Travel result:", result1)

result2 = controller.execute_with_control("CodeAssistant", "Write a Python function to sort a list")
print("Code result:", result2)

# Try to exceed budget
result3 = controller.execute_with_control("TravelPlanner", "Book an expensive luxury hotel")
print("Budget exceeded result:", result3)

This demonstration shows how the control system prevents agents from exceeding their budgets and ensures they only perform tasks within their defined capabilities.

Step 6: Enhance with Real AI Integration

Integrate with OpenAI API

Update your agent.py file to include real AI execution:

from pydantic import BaseModel
from typing import List, Dict, Any
import openai

# ... previous code ...

class AIEnabledAgent(BaseAgent):
    def __init__(self, config: AgentConfig, api_key: str):
        super().__init__(config)
        openai.api_key = api_key
        
    def execute_task(self, task: str) -> Dict[str, Any]:
        # Simulate real AI execution
        try:
            response = openai.Completion.create(
                engine="text-davinci-003",
                prompt=f"{task}. Respond with a concise answer.",
                max_tokens=100
            )
            result = {
                "task": task,
                "status": "completed",
                "cost": 0.01,
                "response": response.choices[0].text.strip(),
                "timestamp": "2023-01-01T00:00:00Z"
            }
        except Exception as e:
            result = {
                "task": task,
                "status": "failed",
                "error": str(e),
                "cost": 0.0
            }
            
        self.history.append(result)
        return result

This enhanced version demonstrates how real AI capabilities can be integrated while maintaining the control layer for safety and budget management.

Summary

In this tutorial, you've built a foundational AI agent control system similar to what Runta is developing. You've learned how to create agents with defined capabilities and budgets, implement a control layer that monitors their activities, and ensure they operate within safe parameters. This system provides the infrastructure needed to 'parent' AI agents, preventing them from performing unauthorized or excessive actions. The modular design allows for easy expansion with more sophisticated safety measures, activity logging, and integration with various AI services.

The key concepts you've learned include: agent configuration and registration, budget management, capability checking, activity monitoring, and real AI integration. These components work together to create a robust system that balances the power of AI agents with the need for control and safety.

Source: TNW Neural

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