🛠️ Tools

What is Tool?

Tool is a functionality based on which the data is fetched to the Agent for further analysis and decision making. A wide array of tools is cataloged in the tools database, designed to support activities such as internet searches, email dispatch, interactions with Git repositories, and much more. Users have the flexibility to create their own tools and seamlessly integrate them into the framework's operations.

Note: Some of the tools are not pre-installed with the OpenAGI library. If you encounter an OpenAGIException due to an Import Error, you'll need to manually install the required package to use the tool.

Tool configuration

1. DuckDuckGoSearch Tool

The DuckDuckGoSearch tool is a tool that can be used to search for words, documents, images, videos, news, maps and text translation using the DuckDuckGo.com search engine. DuckDuckGo Search is a web search engine that DuckDuckGo is an independent Google alternative that lets you search and browse the web, but it emphasises protecting user privacy and avoiding the filter bubble of personalised search results.

from openagi.actions.tools.ddg_search import DuckDuckGoSearch
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner

admin = Admin(
    llm = llm,
    actions=[DuckDuckGoSearch],
    planner=TaskPlanner(),
)

2. Serper Search Tool

Serper is a low-cost Google Search API that can be used to add answer box, knowledge graph, and organic results data from Google Search. This tool is mainly helps user to query the Google results with less throughput and latency.

Setup API

import os

os.environ['SERPER_API_KEY'] = "<replace-with-your-api-key>"

Get your API key: https://serper.dev/

from openagi.actions.tools.serper_search import SerperSearch
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner

admin = Admin(
    llm = llm,
    actions=[SerperSearch],
    planner=TaskPlanner(),
)

3. Google Serp API Search

Serp API is yet another solution to integrate search data. SERP stands for Search Engine Results Page. It refers to the page displayed by a search engine in response to a user's query.

Setup API

import os

os.environ['GOOGLE_SERP_API_KEY'] = "<replace-with-your-api-key>"

Get your API key: https://serpapi.com/manage-api-key/

from openagi.actions.tools.serp_search import GoogleSerpAPISearch
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner

admin = Admin(
    llm = llm,
    actions=[SerperSearch],
    planner=TaskPlanner(),
)

4. SearchApiSearch

SearchApi.io provides a real-time API to access search results from Google (default), Google Scholar, Bing, Baidu, and other search engines. Any existing or upcoming SERP engine that returns organic_results is supported. The default web search engine is google, but it can be changed to bing, baidu, google_news, bing_news, google_scholar, google_patents, and others.

Setup API Key

import os
os.environ['SEARCHAPI_API_KEY'] = "<replace-with-your-api-key>"
os.environ['SEARCHAPI_ENGINE'] = "bing" # defaults to google.

Get your API key by creating an account or logging into your account on SearchApi.

from openagi.actions.tools.searchapi_search import SearchApiSearch
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner
admin = Admin(
    llm = llm,
    actions=[SearchApiSearch],
    planner=TaskPlanner(),
)

5. Github Search Tool

The Github SearchTool is used for retrieving information from Github repositories using natural language queries. This tool provides functionality for querying Github repositories for various information, such as code changes, commits, active pull requests, issues, etc., using natural language input. It is designed to be used as part of a larger AI-driven agent system.

Setup API

import os

os.environ['GITHUB_ACCESS_TOKEN'] = "<add-your-access-token>"

Get your GitHub Access Token: https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/managing-your-personal-access-tokens

from openagi.actions.tools.github_search_tool import GitHubFileLoadAction
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner

admin = Admin(
    llm = llm,
    actions=[GitHubFileLoadAction],
    planner=TaskPlanner(),
)

6. YouTube Search Tool

The YouTube Search tool allows users to search for videos on YouTube using natural language queries. This tool retrieves relevant video content based on user-defined search parameters, making it easier to find specific videos or topics of interest.

The YouTube Search tool does not require an API key but does require the installation of specific libraries. You need to install yt-dlp and youtube-search to use this tool.

pip install yt-dlp
pip install youtube-search

Code Snippet To initialize the YouTube Search tool, you can use the following code:

from openagi.actions.tools.youtubesearch import YouTubeSearchTool
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner

admin = Admin(
    llm=llm,
    actions=[YouTubeSearch],
    planner=TaskPlanner(),
)

7. Tavily QA Search Tool

The Tavily QA Search tool is designed to provide answers to user queries by fetching data from various online sources. This tool enhances the capability of the agent to retrieve precise information and answer questions effectively.

Installation

pip install tavily-python

For the Tavily QA Search tool, you also need to set up the API key in your environment variables:

import os

# Set the Tavily API key in the environment variable
os.environ['TAVILY_API_KEY'] = "<replace-with-your-tavily-api-key>"

Code Snippet To initialize the Tavily QA Search tool, you can use the following code:

from openagi.actions.tools.tavilyqasearch import TavilyWebSearchQA
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner

admin = Admin(
    llm=llm,
    actions=[TavilyQASearch],
    planner=TaskPlanner(),
)

8. Exa Search Tool

The Exa Search tool allows users to query the Exa API to retrieve relevant responses based on user-defined questions. This tool is particularly useful for extracting information and insights from various data sources using natural language queries.

Installation

pip install exa-py

To use the Exa Search tool, you need to set up the API key in your environment variables. Here’s how to do that:

import os

# Set the Exa API key in the environment variable
os.environ['EXA_API_KEY'] = "<replace-with-your-exa-api-key>"

Code Snippet

from openagi.actions.tools.exasearch import ExaSearch
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner

admin = Admin(
    llm=llm,
    actions=[ExaSearch],
    planner=TaskPlanner(),
)

9. Unstructured PDF Loader Tool

The Unstructured PDF Loader tool is designed to extract content, including metadata, from PDF files. It utilizes the Unstructured library to partition the PDF and chunk the content based on titles. This tool is useful for processing large volumes of PDF documents and making their contents accessible for further analysis.

Installation

pip install unstructured

Code Snippet

from openagi.actions.tools.unstructured_io import UnstructuredPdfLoaderAction
from openagi.agent import Admin
from openagi.llms.openai import OpenAIModel
from openagi.planner.task_decomposer import TaskPlanner

admin = Admin(
    llm=llm,
    actions=[UnstructuredPdfLoaderAction],
    planner=TaskPlanner(),
)

How to build a custom Tool?

In OpenAGI, building a custom tool is straightforward by wrapping your custom logic inside a class that inherits from BaseAction and implementing the execute method. This setup allows you to encapsulate the necessary configurations and operations within the custom tool, making it easy to integrate and use within the OpenAGI framework.

Syntax

  1. Import Necessary Modules:

    • Begin by importing the necessary modules from pydantic and openagi. Field is used to define parameters, and BaseAction is the base class for creating custom actions in OpenAGI.

  2. Define the Custom Tool Class:

    • Create a class CustomToolName that inherits from BaseAction. This class represents your custom tool.

    • Within the class, define a variable vars using Field() from pydantic. This variable will hold any parameters required by your tool. Replace dtype with the actual data type of the parameter (e.g., str, int, List[str]).

  3. Implement the execute Method:

    • The execute method is where the core logic of your tool will be implemented. This method will be called when the tool is executed.

    • Inside the execute method, write the code necessary, this might include loading data, processing it, and returning the desired output.

    • Make sure the execute function returns str data. 

from pydantic import Field
from openagi.actions.base import BaseAction

class CustomToolName(BaseAction):
    """
    docstring for the tool is must
    """
    vars: dtype = Field() #define the required parameters for your tool. 
    
    def execute(self):
        # tool integration code
        return "str data"

Example

In this custom tool integration example, we will implement the Unstructured IO data loading tool. This custom tool provides the flexibility to act as a wrapper for Unstructured IO as an action tool in OpenAGI.

The execute function is where the magic happens; if any variables or parameters need to be defined, they should be declared within the Custom Tool class. This setup ensures that all necessary configurations and parameters are encapsulated within the tool, allowing for seamless and efficient data loading and processing.

from pydantic import Field
from openagi.actions.base import BaseAction

from unstructured.partition.pdf import partition_pdf
from unstructured.chunking.title import chunk_by_title


class UnstructuredPdfLoaderAction(BaseAction):
    """
    Use this Action to extract content from PDFs including metadata.
    Returns a list of dictionary with keys 'type', 'element_id', 'text', 'metadata'.
    """
    file_path: str = Field(
        default_factory=str,
        description="File or pdf file url from which content is extracted.",
    )

    def execute(self):        
        elements = partition_pdf(self.file_path, extract_images_in_pdf=True)
        chunks = chunk_by_title(elements)

        dict_elements = []
        for element in chunks:
            dict_elements.append(element.to_dict())

        with open("ele.txt", "w") as f:
            f.write(str(dict_elements))

        return str(dict_elements)

For more examples of Tools integration, check reference code snippets here: https://github.com/aiplanethub/openagi/tree/main/src/openagi/actions/tools

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