DeerFlow
Open-source LangChain framework for super agentsBuild self-hosted super agents with LangChain
Highlights
What you can do with it
- A developer builds a self-hosted agent for research tasks.
- A team automates long, multi-step analysis workflows.
- A user creates agents that combine tools and memory.
How to use it
- 1 Get the open-source DeerFlow code from its repository.
- 2 Set up the framework and its sandbox environment.
- 3 Configure models, tools, and memory.
- 4 Build and test an agent for your task.
- 5 Self-host and run the agent with full control.
Who it is for
Pros
- Open-source and free under the MIT license.
- Self-hostable, so you keep control of your data.
- Flexible, with tools, memory, and sub-agents.
Limitations
- It is a framework, so it needs setup and coding skill.
- Self-hosting means you manage your own infrastructure.
- As an open-source project, features and stability can change.
What DeerFlow is
DeerFlow is a framework based on LangChain for building super agents that handle complex tasks. It uses sandboxes, memory, tools, skills, and sub-agents to work at different levels. According to the description, once evolved into a full-stack super agent it can perform context engineering, use long- and short-term memory, plan long-task execution, and handle sub-tasks. Its main advantages include on-demand skill loading, strong scalability, multi-model support, and a secure sandbox environment. The product is open-source and follows the MIT license, so users can self-host it and keep full control. It is freely available and positioned to help users complete complex research, creation, and analysis tasks. It is aimed at people who want control over how their agents behave.
What you can do with it
- Build super agents on top of the LangChain framework.
- Combine tools, memory, skills, and sub-agents in one agent.
- Self-host the framework under the MIT license.
- Use multiple models and load skills on demand.
- Run agents in a secure sandbox environment.
Who it is for
- Developers who want to build custom super agents.
- Teams that need a self-hosted, controllable agent framework.
- Users who are comfortable with LangChain and open-source tools.
- Researchers and analysts automating long, multi-step tasks.
What to watch out for
DeerFlow is a framework, not a finished app, so it requires setup and some coding skill to build and run agents. Because you self-host it, you are responsible for your own infrastructure, security, and updates. As an open-source project, features and stability can change between versions, so check the repository before relying on it for production. Multi-model support means costs and behavior depend on the models you connect. Read the license and community docs to understand what is supported, and budget time to learn the framework and test agents in a sandbox before pointing them at real work.
FAQ
What is DeerFlow?
It is an open-source framework based on LangChain for building super agents.
Is it free?
Yes. It is open-source under the MIT license and freely available, and you can self-host it.
What skills do I need?
It is a developer framework, so comfort with LangChain and self-hosting helps.
Why it is free
What the official page says: 免费
Free limits, trial length and features are decided by the official site and can change at any time.
Product preview
Screenshot archived from the listing page, for preview only.