Class SearxngSearch

SearxngSearch class represents a meta search engine tool. Use this class when you need to answer questions about current events. The input should be a search query, and the output is a JSON array of the query results.

note: works best with agentType: structured-chat-zero-shot-react-description https://github.com/searxng/searxng

Example

const executor = AgentExecutor.fromAgentAndTools({
  agent,
  tools: [
    new SearxngSearch({
      params: {
        format: "json",
        engines: "google",
      },
      headers: {},
    }),
  ],
});
const result = await executor.invoke({
  input: `What is Langchain? Describe in 50 words`,
});

Hierarchy (view full)

Constructors

constructor

Properties

description name apiBase? headers? params?

Methods

buildUrl

Constructors

constructor

Properties

description

description: string = "A meta search engine. Useful for when you need to answer questions about current events. Input should be a search query. Output is a JSON array of the query results"

name

name: string = "searxng-search"

Protected Optional apiBase

apiBase?: string

Protected Optional headers

headers?: SearxngCustomHeaders

Protected Optional params

params?: SearxngSearchParams = ...

Methods

Protected buildUrl

  • buildUrl<P>(path, parameters, baseUrl): string

  • Builds the URL for the Searxng search.

    Type Parameters

    • P extends SearxngSearchParams

    Parameters

    • path: string

      The path for the URL.

    • parameters: P

      The parameters for the URL.

    • baseUrl: string

      The base URL.

    Returns string

    The complete URL as a string.

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