Tool Calling Agent

The Tool Calling Agent empowers AI flows to automatically select and use configured tools to solve user queries, making workflows more powerful and adaptive.

Tool Calling Agent

Component description

How the Tool Calling Agent component works

Tool Calling Agent

The Tool Calling Agent is a specialized component designed for AI workflows that require an agent to intelligently interact with a set of external tools in response to a user’s prompt. This component can orchestrate tool usage, manage chat history for context, and utilize language models to generate effective follow-up questions and actions.

What Does This Component Do?

The Tool Calling Agent acts as an intermediary that receives user input (typically a message), processes it using a language model, and determines which tools (from a provided list) to call in order to fulfill the request. It is capable of multi-step reasoning and can iterate over tool calls up to a specified maximum number of iterations. This approach is especially useful for complex AI tasks that require external data fetching, calculations, or integrations with APIs.

Inputs

The component accepts the following inputs:

NameTypeRequiredDescription
InputsMessageYesThe main user input or message to be processed by the agent.
ToolsList of ToolYesA list of tools the agent can use to answer the user’s query.
LLMBaseChatModelNoThe language model used to generate responses and follow-up questions.
Chat HistoryInMemoryChatMessageHistoryNoMaintains the conversation context for more coherent and relevant agent responses.
Max IterationsintNoSets the maximum number of reasoning steps the agent can take (default: 20).
System MessagestrNoAn optional system prompt to guide the agent’s behavior or set context for the conversation.

Outputs

  • Message: The primary output is a Message object that contains the agent’s response after processing the input and (if needed) utilizing one or more tools.

Key Features & Usefulness

  • Multi-tool Orchestration: Enables the agent to choose and invoke multiple tools as needed to resolve complex queries.
  • Contextual Awareness: By leveraging chat history, the agent can generate more accurate and context-aware follow-up questions and actions.
  • Iterative Reasoning: The agent can perform multiple reasoning steps (up to the defined max iterations), making it capable of handling tasks that require several interactions.
  • Customizable Guidance: The optional system message allows you to influence the agent’s behavior, tone, or objectives, making it adaptable to different tasks or applications.
  • Flexible Integration: Can be used in a variety of workflows that require dynamic decision-making, tool calling, or contextual conversation management.

Example Use Cases

  • Automated Customer Support: The agent can call knowledge base search tools, ticket creation APIs, or other utilities in response to user questions.
  • Data Retrieval and Processing: The agent could fetch data from various sources (APIs, databases) and process it before responding.
  • Conversational AI Applications: Enables multi-turn dialog where the agent maintains context and interacts with external services to complete tasks.

Summary Table

InputDescription
Input (Message)User message or prompt
ToolsList of available tools the agent can call
LLMLanguage model to drive the agent’s logic
Chat HistoryPrevious conversation for better context and memory
Max IterationsMaximum reasoning/tool-calling steps per invocation
System MessageOptional prompt to shape agent’s overall behavior
OutputDescription
MessageAgent’s final response after reasoning and tool usage

When to Use This Component

Use the Tool Calling Agent when your AI workflow requires:

  • Intelligent, multi-step problem solving.
  • Dynamic use of external tools or APIs.
  • Maintenance of conversation context.
  • Customizable agent behavior.

This makes it a versatile building block for advanced AI-powered automation, chatbots, digital assistants, and more.

Examples of flow templates using Tool Calling Agent component

To help you get started quickly, we have prepared several example flow templates that demonstrate how to use the Tool Calling Agent component effectively. These templates showcase different use cases and best practices, making it easier for you to understand and implement the component in your own projects.

Frequently asked questions

What does the Tool Calling Agent do?

The Tool Calling Agent lets your AI workflow automatically choose and use external tools to answer user queries, making your solutions more dynamic and capable.

Which tools can be used with the Tool Calling Agent?

You can connect any tools supported by FlowHunt, such as web search, APIs, or custom actions, to expand your agent’s capabilities.

How does the agent decide which tool to use?

The agent analyzes the user input and context, then selects the most relevant tool to perform actions or retrieve information needed to answer the query.

Can I limit how many times the agent uses tools?

Yes, you can set a maximum number of iterations for tool usage, ensuring efficient and controlled automation.

Do I need to write code to use the Tool Calling Agent?

No coding is required. Simply configure your tools and connect the component within your flow.

Experience Tool Calling Agent

Enhance your automated workflows by leveraging agents that use external tools for smart, multi-step problem solving.

Learn more