The LangChain open source stack provides the building blocks you need to design, test, and ship agents in TypeScript. Use the sections below to jump into the framework that fits your project.Documentation Index
Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-lifecy-1780068323-e11aa2a.mintlify.app/llms.txt
Use this file to discover all available pages before exploring further.
Deep Agents
Quickly build agents that can tackle any task.
LangChain
Customize the building blocks of your agents.
LangGraph
Control every step of your custom agent with low-level orchestration, memory, and human-in-the-loop support.
Integrations
Connect to model providers, vector stores, retrievers, and other components.
Learn
Follow tutorials and conceptual guides for common agent patterns and use cases.
Reference
API references, error codes, release notes, and migration guides.
Contribute
Contribute documentation, code, and integrations to the LangChain ecosystem.
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