Langchain Math Tool. prompt import PromptTemplate _PROMPT_TEMPLATE = ""

prompt import PromptTemplate _PROMPT_TEMPLATE = """You are GPT-3, and you can't do math. 1 day ago · 一、手动调用工具的“痛点”：为什么需要initialize_agent？ 在之前的文章中，我们已经学会了如何定义LangChain Tool、将Tool与LLM绑定，但手动调用工具时会面临一系列棘手问题，这些问题让开发者陷入“重复造轮子”的困境： 5 days ago · 文章浏览阅读613次，点赞9次，收藏12次。 文章详细介绍了LangChain框架、Agent和RAG三者的关系及开发实践。 LangChain作为代码驱动型框架，适合定制化复杂应用；Agent负责智能决策；RAG提供知识检索功能。 Nov 17, 2025 · Unlocking Advanced AI: Mastering CompiledSubAgent In Langchain The initial setup involves defining the tasks of the sub-agent, creating the necessary tools or components it needs, and then compiling the entire workflow. Nov 29, 2025 · Build powerful AI agents with LangChain 2. The tools node executes the tools and adds the responses to the messages list as ToolMessage objects. from_template("Tell me about {topic}") model = ChatOpenAI() chain = prompt | model # Invoke with config result = chain 6 days ago · Learn to build AI agents with n8n using LangChain integration. document_loaders import DirectoryLoader, TextLoader from langchain. These Build LLM-powered applications in Ruby. Jul 25, 2025 · Here’s how it works: ️ Wikipedia Tool Powered by WikipediaAPIWrapper, this tool searches Wikipedia to fetch facts, definitions, or explanations related to your math question. LangChain. The agent node calls the language model with the messages list (after applying the system prompt).

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