langchain-ai/langchain

What it does

The agent engineering platform.

Summary based on the GitHub description (opens in a new tab)

What the README covers

• Quickstart
• LangChain ecosystem
• Why use LangChain?
• Resources

Getting started

Excerpt from the README · Checked 15 Oct 2026

uv add langchain

Shown exactly as published. Top 200 Repos has not run or tested it. View in README (opens in a new tab)

Ranking trend

Global rank in each recorded snapshot. A lower number is a higher rank.

From #64 to #64 across 2 snapshots since 15 Oct 2026.

What people build with it

Related repositories

• bytedance/deer-flow#197

  An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.

  Shared topics: langgraph, langchain, typescript, ai-agents

• f/prompts.chat#49

  f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

  Shared topics: chatgpt, gemini, open-source, openai

• NousResearch/hermes-agent#19

  The agent that grows with you

  Shared topics: chatgpt, anthropic, openai, ai-agents

• langflow-ai/langflow#60

  Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

  Shared topics: multiagent, agents, generative-ai, chatgpt

• unclecode/crawl4ai#189

  Official Crawl4AI Cloud: a hosted web scraping, extraction, and search API for AI agents. Free API key, 1,000 credits a month, no card. Fully open source: this repo is the Apache-2.0 crawler that powers it, and you can self-host it.

  Shared topics: open-source, rag, ai-agents, llm

• Significant-Gravitas/AutoGPT#43

  AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

  Shared topics: agents, openai, llm, ai