Langflow is an open-source visual studio for building AI workflows using a drag-and-drop, low-code/no-code interface. It supports agentic RAG and generative AI workflows with model and vector store agnosticism, offering dozens of provider options. Built on Python, it allows custom component creation and modification. Key features include visual node-based architecture, built-in playground for testing, tool mode for components, native MCP support for accessing thousands of tools, and API access for programmatic control. Developers can build complex flows with database access, conditional logic, and structured outputs without extensive coding.
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