---
title: "LangChain"
description: "AI startup building agentic productivity tools that take action on a user's behalf across email, calendar, and documents. Founded in 2023 by Harrison Chase and is widely used for building production-grade LLM applications with tools like LangChain and LangGraph."
---

# LangChain
> AI startup building agentic productivity tools that take action on a user's behalf across email, calendar, and documents. Founded in 2023 by Harrison Chase and is widely used for building production-grade LLM applications with tools like LangChain and LangGraph.

## Articles

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