Tool profile

LangChain

A framework for building LLM applications, agent workflows, retrieval systems, and tool-calling chains.

What it's used for

LangChain is used to orchestrate prompts, tools, memory, retrieval, and multi-step workflows when developers want to build AI applications beyond a single model call.

How you access it

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LocalMedium complexityFree

Framework library

Self-hosted

LangChain is a software framework that runs inside your own application code rather than as a single hosted product.

How you deploy or integrate it

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ServerlessMedium complexitySelf-hosted infra cost

App server, functions, or containers

Any cloud

LangChain apps can be deployed anywhere your application stack can run, including serverless, containers, or VMs.