Implementation of a generative agent that can learn and form new memories over time. It extends the BaseChain class, which is a generic sequence of calls to components, including other chains.

Hierarchy

Constructors

Properties

longTermMemory: GenerativeAgentMemory
name: string
status: string
traits: string
verbose: boolean

Whether to print out response text.

age?: number
callbacks?: Callbacks
memory?: BaseMemory
metadata?: Record<string, unknown>
tags?: string[]

Accessors

Methods

  • Adds a memory to the agent's long-term memory.

    Parameters

    • memoryContent: string

      The content of the memory to add.

    • Optional now: Date

      Optional current date.

    • Optional metadata: Record<string, unknown>

      Optional metadata for the memory.

    • Optional callbacks: Callbacks

      Optional Callbacks instance.

    Returns Promise<ChainValues>

    The result of adding the memory to the agent's long-term memory.

  • Generates a dialogue response to the given observation.

    Parameters

    • observation: string

      The observation to generate a dialogue response for.

    • Optional now: Date

      Optional current date.

    Returns Promise<[boolean, string]>

    A boolean indicating whether to continue the dialogue and the output string.

  • Generates a reaction to the given observation.

    Parameters

    • observation: string

      The observation to generate a reaction for.

    • Optional now: Date

      Optional current date.

    Returns Promise<[boolean, string]>

    A boolean indicating whether to continue the dialogue and the output string.

  • Extracts the action of the given entity from the given observation.

    Parameters

    • observation: string

      The observation to extract the action from.

    • entityName: string

      The name of the entity to extract the action for.

    • Optional runManager: CallbackManagerForChainRun

      Optional CallbackManagerForChainRun instance.

    Returns Promise<string>

    The extracted action as a string.

  • Returns a full header of the agent's status, summary, and current time.

    Parameters

    • config: {
          forceRefresh?: boolean;
          now?: Date;
      } = {}

      Optional configuration object with current date and a boolean to force refresh.

      • Optional forceRefresh?: boolean
      • Optional now?: Date

    Returns string

    The full header as a string.

  • Gets the agent's summary, which includes the agent's name, age, traits, and a summary of the agent's core characteristics. The summary is updated periodically through probing the agent's memories.

    Parameters

    • Optional config: {
          forceRefresh?: boolean;
          now?: Date;
      }

      Optional configuration object with current date and a boolean to force refresh.

      • Optional forceRefresh?: boolean
      • Optional now?: Date
    • Optional runManager: CallbackManagerForChainRun

      Optional CallbackManagerForChainRun instance.

    Returns Promise<string>

    The agent's summary as a string.

  • Stream all output from a runnable, as reported to the callback system. This includes all inner runs of LLMs, Retrievers, Tools, etc. Output is streamed as Log objects, which include a list of jsonpatch ops that describe how the state of the run has changed in each step, and the final state of the run. The jsonpatch ops can be applied in order to construct state.

    Parameters

    Returns AsyncGenerator<RunLogPatch, any, unknown>

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