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本页介绍如何在 LangChain 中使用 SearchApi Google 搜索 API。SearchApi 是一款用于轻松抓取 SERP 的实时 SERP API。

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设置

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封装器

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工具类

SearchApiAPIWrapper 是封装此 API 的工具类。导入方式： 
from langchain_community.utilities import SearchApiAPIWrapper
您可以将其与搜索工具一起作为代理的一部分使用： 
from langchain_community.utilities import SearchApiAPIWrapper
from langchain_openai import OpenAI
from langchain.agents import create_agent, Tool

import os

os.environ["SEARCHAPI_API_KEY"] = ""
os.environ["OPENAI_API_KEY"] = ""

llm = OpenAI(temperature=0)
search = SearchApiAPIWrapper()

tools = [
    Tool(
        name="Intermediate Answer",
        func=search.run,
        description="useful for when you need to ask with search",
    )
]

agent = create_agent(
    model=llm,
    tools=tools,
)

agent.invoke("Who lived longer: Plato, Socrates, or Aristotle?")

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输出

> Entering new AgentExecutor chain...
 Yes.
Follow up: How old was Plato when he died?
Intermediate answer: eighty
Follow up: How old was Socrates when he died?
Intermediate answer: | Socrates |
| -------- |
| Born | c. 470 BC Deme Alopece, Athens |
| Died | 399 BC (aged approximately 71) Athens |
| Cause of death | Execution by forced suicide by poisoning |
| Spouse(s) | Xanthippe, Myrto |

Follow up: How old was Aristotle when he died?
Intermediate answer: 62 years
So the final answer is: Plato

> Finished chain.
'Plato'

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工具

您也可以轻松地将此封装器加载为工具（与代理一起使用）。 操作方式： 
from langchain_community.agent_toolkits.load_tools import load_tools
tools = load_tools(["searchapi"])
有关工具的更多信息，请参阅此页面。
在 GitHub 上编辑此页面 或 提交问题。
连接这些文档 到 Claude、VSCode 等，通过 MCP 获取实时答案。