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*   Wikipedia tool

Wikipedia tool
==============

The `WikipediaQueryRun` tool connects your agents and chains to Wikipedia.

Usage[​](#usage "Direct link to Usage")
---------------------------------------

    import { WikipediaQueryRun } from "@langchain/community/tools/wikipedia_query_run";const tool = new WikipediaQueryRun({  topKResults: 3,  maxDocContentLength: 4000,});const res = await tool.invoke("Langchain");console.log(res);

#### API Reference:

*   [WikipediaQueryRun](https://v02.api.js.langchain.com/classes/langchain_community_tools_wikipedia_query_run.WikipediaQueryRun.html) from `@langchain/community/tools/wikipedia_query_run`

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