Unverified50% confidenceFactExact time
LangChain's @tool decorator exposes Python functions as tools and binds them to the large language model.
1
Sources
50%
Confidence
Long-term
Relevance
10/17/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedIn LangChain, using the @tool decorator is all that is needed to register a Python function as a callable tool.76% similarUnverifiedIn FastMCP, any ordinary Python function decorated with @server.tool will be converted into a tool callable by an Agent.69% similarVerifiedLangChain primarily supports Python, followed by TypeScript.68% similarUnverifiedLangGraph、AutoGen、CrewAI 等主流多智能体框架普遍使用 Python 编写，抽象层次较高68% similarUnverifiedLLM的YAML模板格式支持在脚本中直接定义Python函数作为工具，实现工具调用68% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1052742API
curl https://kongchang.com/api/v1/knowledge/claims/1052742MCP
get_claim(id=1052742)