# Langflow

> Langflow is an MIT-licensed visual builder for LangChain-based agents, sponsored by DataStax (acquired by IBM in May 2025); every node on the canvas can be opened and edited as Python, and a flow can be exported as an OpenAI-compatible API or an MCP server.

Visual canvas for building LangChain-based agents, exportable as an API or MCP server.

- **Category:** Runtime & Orchestration
- **License:** MIT
- **Language:** Python
- **Self-hosted:** Yes
- **GitHub stars:** 155496 (2026-10-04)
- **Repository:** https://github.com/langflow-ai/langflow
- **Last verified:** 2026-10-04

Source: https://agent.c8.fit/tools/langflow/