A tool that uses an agent to perform a task.

This tool allows specialized agents to be used as reusable tools within other agents, enabling modular agent composition and domain-specific expertise as services.

Hierarchy (view full)

Constructors

Properties

name: string

Name of the tool

description: string

Description of the tool

isLongRunning: boolean

Whether the tool is a long running operation, which typically returns a resource id first and finishes the operation later.

shouldRetryOnFailure: boolean

Whether the tool execution should be retried on failure

maxRetryAttempts: number

Maximum retry attempts

baseRetryDelay: number = 1000

Base delay for retry in ms (will be used with exponential backoff)

maxRetryDelay: number = 10000

Maximum delay for retry in ms

outputKey?: string

The key to store the tool output in the state

logger: Logger = ...

Accessors

Methods

  • Processes the outgoing LLM request for this tool.

    Use cases:

    • Most common use case is adding this tool to the LLM request.
    • Some tools may just preprocess the LLM request before it's sent out.

    Parameters

    Returns Promise<void>