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53 lines
1.5 KiB
Markdown
53 lines
1.5 KiB
Markdown
# ADK Agent Function Tools Sample
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## Overview
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This sample demonstrates how to create an agent equipped with built-in Python function tools using the **ADK** framework.
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It defines an `Agent` wrapped around two utility functions: `generate_random_number` and `is_even`. The LLM can automatically invoke these underlying Python functions based on user prompts. This sample shows how simple it is to turn raw python methods into actionable capabilities for your agents.
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## Sample Inputs
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- `Give me a random number.`
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- `Give me a random number up to 50, and tell me if it's even.`
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- `Give me a random number and is 44 even?`
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*This will cause parallel tools being called in a single step*
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## Graph
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```mermaid
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graph TD
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Agent[Agent: function_tools] --> Tool1[Tool: generate_random_number]
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Agent --> Tool2[Tool: is_even]
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```
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## How To
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1. Define standard Python functions with type hints and precise docstrings:
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```python
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import random
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def generate_random_number(max_value: int = 100) -> int:
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"""Generates a random integer between 0 and max_value (inclusive). ..."""
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return random.randint(0, max_value)
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def is_even(number: int) -> bool:
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"""Checks if a given number is even. ..."""
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return number % 2 == 0
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```
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1. Register the functions directly to the agent's `tools` list during instantiation:
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```python
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from google.adk.agents import Agent
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root_agent = Agent(
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name="function_tools",
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tools=[generate_random_number, is_even],
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)
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```
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