{
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        "height": 397,
        "content": "## Self-coded LLM Chain Node"
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        "content": "## Self-coded Tool Node"
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      "position": [
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      ],
      "parameters": {
        "name": "wikipedia_tool",
        "jsCode": "console.log('Custom Wikipedia Node runs');\nconst { WikipediaQueryRun } = require(\"@n8n/n8n-nodes-langchain/node_modules/@langchain/community/tools/wikipedia_query_run.cjs\");\n\nconst tool = new WikipediaQueryRun({\n  topKResults: 3,\n  maxDocContentLength: 4000,\n});\n\nreturn await tool.invoke(query);",
        "description": "Call this tool to research a topic on wikipedia."
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      "typeVersion": 1.1
    }
  ],
  "pinData": {},
  "connections": {
    "Set2": {
      "main": [
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      ]
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}