基于Ollama的AI智能体：实时天气与维基百科查询

• •可能需要目标 API 的认证凭证

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      "parameters": {
        "text": "={{ $json.input }}",
        "options": {
          "systemMessage": "=You are a helpful assistant, with weather tool and wiki tool. find out the latitude and longitude information of a location then use the weather tool for current weather and weather forecast. For general info, use the wiki tool."
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        "promptType": "define"
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      "typeVersion": 1.6
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        "url": "https://api.open-meteo.com/v1/forecast",
        "sendQuery": true,
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          "values": [
            {
              "name": "latitude"
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        "toolDescription": "Fetch current temperature for given coordinates."
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      "type": "@n8n/n8n-nodes-langchain.lmChatOllama",
      "position": [
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      ],
      "parameters": {
        "model": "llama3.2:latest",
        "options": {}
      },
      "credentials": {
        "ollamaApi": {
          "id": "xHuYe0MDGOs9IpBW",
          "name": "Local Ollama service"
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      "parameters": {
        "color": 4,
        "height": 240,
        "content": "### 在系统消息中添加以下内容"
      },
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    }
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  "pinData": {},
  "connections": {
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