WikipediaQueryRun

import { WikipediaQueryRun } from "@langchain/community/tools/wikipedia_query_run";

const tool = new WikipediaQueryRun({
  topKResults: 3,
  maxDocContentLength: 4000,
});

await tool.invoke("what is the current weather in sf?");

// This is usually generated by a model, but we'll create a tool call directly for demo purposes.
const modelGeneratedToolCall = {
  args: {
    input: "what is the current weather in sf?",
  },
  id: "tool_call_id",
  name: tool.name,
  type: "tool_call",
};
await tool.invoke(modelGeneratedToolCall);

ToolMessage {
  "content": "...",
  "name": "wikipedia-api",
  "additional_kwargs": {},
  "response_metadata": {},
  "tool_call_id": "tool_call_id"
}