https://github.com/langflow-ai/langflow
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
https://github.com/langflow-ai/langflow
agents chatgpt generative-ai large-language-models multiagent react-flow
Last synced: 15 days ago
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Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
- Host: GitHub
- URL: https://github.com/langflow-ai/langflow
- Owner: langflow-ai
- License: mit
- Created: 2023-02-08T22:28:03.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2025-05-12T15:24:32.000Z (6 months ago)
- Last Synced: 2025-05-12T15:28:27.349Z (6 months ago)
- Topics: agents, chatgpt, generative-ai, large-language-models, multiagent, react-flow
- Language: Python
- Homepage: http://www.langflow.org
- Size: 622 MB
- Stars: 60,472
- Watchers: 375
- Forks: 6,329
- Open Issues: 947
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
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README
[](https://github.com/langflow-ai/langflow/releases)
[](https://opensource.org/licenses/MIT)
[](https://pypistats.org/packages/langflow)
[](https://star-history.com/#langflow-ai/langflow)
[](https://github.com/langflow-ai/langflow/issues)
[](https://twitter.com/langflow_ai)
[](https://www.youtube.com/@Langflow)
[](https://discord.gg/EqksyE2EX9)
[](https://deepwiki.com/langflow-ai/langflow)
> [!CAUTION]
> - Langflow versions 1.6.0 through 1.6.3 have a critical bug where `.env` files are not read, potentially causing security vulnerabilities. **DO NOT** upgrade to these versions if you use `.env` files for configuration. Instead, upgrade to 1.6.4, which includes a fix for this bug.
> - Windows users of Langflow Desktop should **not** use the in-app update feature to upgrade to Langflow version 1.6.0. For upgrade instructions, see [Windows Desktop update issue](https://docs.langflow.org/release-notes#windows-desktop-update-issue).
> - Users must update to Langflow >= 1.3 to protect against [CVE-2025-3248](https://nvd.nist.gov/vuln/detail/CVE-2025-3248)
> - Users must update to Langflow >= 1.5.1 to protect against [CVE-2025-57760](https://github.com/langflow-ai/langflow/security/advisories/GHSA-4gv9-mp8m-592r)
>
> For security information, see our [Security Policy](./SECURITY.md) and [Security Advisories](https://github.com/langflow-ai/langflow/security/advisories).
[Langflow](https://langflow.org) is a powerful tool for building and deploying AI-powered agents and workflows. It provides developers with both a visual authoring experience and built-in API and MCP servers that turn every workflow into a tool that can be integrated into applications built on any framework or stack. Langflow comes with batteries included and supports all major LLMs, vector databases and a growing library of AI tools.
## ✨ Highlight features
- **Visual builder interface** to quickly get started and iterate .
- **Source code access** lets you customize any component using Python.
- **Interactive playground** to immediately test and refine your flows with step-by-step control.
- **Multi-agent orchestration** with conversation management and retrieval.
- **Deploy as an API** or export as JSON for Python apps.
- **Deploy as an MCP server** and turn your flows into tools for MCP clients.
- **Observability** with LangSmith, LangFuse and other integrations.
- **Enterprise-ready** security and scalability.
## ⚡️ Quickstart
### Install locally (recommended)
Requires Python 3.10–3.13 and [uv](https://docs.astral.sh/uv/getting-started/installation/) (recommended package manager).
#### Install
```shell
$ uv pip install langflow -U
```
Installs the latest Langflow package.
#### Run
```shell
$ uv run langflow run
```
Starts the Langflow server at http://127.0.0.1:7860.
That's it! You're ready to build with Langflow 🎉
### Other install options
- [Docker](https://docs.langflow.org/deployment-docker)
- [Desktop app](https://docs.langflow.org/get-started-installation#install-and-run-langflow-desktop)
### Install from repo
If you're contributing or running from source, see [DEVELOPMENT.md](./DEVELOPMENT.md) for setup instructions.
## 📦 Deployment
Langflow is completely open source and you can deploy it to all major deployment clouds. To learn how to use Docker to deploy Langflow, see the [Docker deployment guide](https://docs.langflow.org/deployment-docker).
## ⭐ Stay up-to-date
Star Langflow on GitHub to be instantly notified of new releases.
## 👋 Contribute
We welcome contributions from developers of all levels. If you'd like to contribute, please check our [contributing guidelines](./CONTRIBUTING.md) and help make Langflow more accessible.
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[](https://star-history.com/#langflow-ai/langflow&Date)
## ❤️ Contributors
[](https://github.com/langflow-ai/langflow/graphs/contributors)