Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
http://www.langflow.org
60ccdb500f* Added mcpinput to the backend * Fixed list selection component to contain descriptions * Added mcp component in the frontend with mock values * Added mcp rendering on Parameter Render Component * Changed input to be more concise and to have dynamic placeholder * Added header search placeholder * Fixed styling to match new input * Removed unused params * Adds AddMcpServerModal's first mock version * Adds Add button on mcp component and list selection component * First pass at mcp api * Add PATCH endpoint * Add DELETE endpoint * fix: Bump version numbers for langflow and langflow-base to 1.4.3 and 0.4.3 respectively * fix: Remove Igor Carvalho from maintainers list in pyproject.toml * fix(agent): reset model list when provider changes Switching the provider in the Agent component sometimes left models from the previous provider visible/selected. We now filter against the new , ensuring only models that belong to the active provider remain. * src/frontend/src/components/core/dropdownComponent/index.tsx – add guard when rebuilding * tests/extended/regression/general-bugs-dropdown-select-not-in-list.spec.ts – expand coverage for “model not in list” edge-cases Co-authored-by: Cristian Lousa <cristian.lousa@gmail.com> * fix: Update Pokédex Agent template (#8373) * Implement adding and getting MCP servers, implemented addMcpServerModal * Added sse and stdio ways of adding a server * Added no actions handling * added new mcp type to constants * Added headers to add mcp server modal * Changed mcp component to allow persistent mcp servers * fix input list component gradient * fix add server modal to patch when initial data is present, and to clean variables when switching tabs * changed message on add mcp server * Added required mutations for mcp page * Added mcp servers page * Changed design of page * Fixed delete problems and added delete confirmation * fixed wrong error parsing * changed padding * Made added server be used on mcp component * refactor: remove references to the langflow store (#8354) Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: KimberlyFields <46325568+KimberlyFields@users.noreply.github.com> Co-authored-by: Ítalo Johnny <italojohnnydosanjos@gmail.com> Co-authored-by: Mendon Kissling <59585235+mendonk@users.noreply.github.com> fix: apikey lock issue and add option to disable tracking (#8361) * Fixed search on sidebar * fixed infinite use effect * Fixed error handling * Fixed tool mode disappearing * fixed key pair button submitting form * Fixed bugs * Added required * Changed message * Disabled other tabs when modifying * Removed tool dropdown if the mcp server is empty * parsed name * fixed data test id not applying * fixed mcp component * Fixed component not working when only stdio command is present * refactored tests * Updated mcp_component to remove old non default keys * Added data-testids * Modified tests to include settings page functionality * [autofix.ci] apply automated fixes * Refactor out the core part of the mcp * [autofix.ci] apply automated fixes * Added placeholders on frontend components for errors * Fixed bugs with mcp component * updated bug * fix: made empty project appear instead of empty flows list when mcp is enabled (#8336) * try to fix * Fix MCP persistence * Update mcp_component.py * Update mcp.py * [autofix.ci] apply automated fixes * fix: Bump version numbers for langflow and langflow-base to 1.4.3 and 0.4.3 respectively * fix: Remove Igor Carvalho from maintainers list in pyproject.toml * fix(agent): reset model list when provider changes Switching the provider in the Agent component sometimes left models from the previous provider visible/selected. We now filter against the new , ensuring only models that belong to the active provider remain. * src/frontend/src/components/core/dropdownComponent/index.tsx – add guard when rebuilding * tests/extended/regression/general-bugs-dropdown-select-not-in-list.spec.ts – expand coverage for “model not in list” edge-cases Co-authored-by: Cristian Lousa <cristian.lousa@gmail.com> * refactor: remove references to the langflow store (#8354) Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: KimberlyFields <46325568+KimberlyFields@users.noreply.github.com> Co-authored-by: Ítalo Johnny <italojohnnydosanjos@gmail.com> Co-authored-by: Mendon Kissling <59585235+mendonk@users.noreply.github.com> fix: apikey lock issue and add option to disable tracking (#8361) * fix: made empty project appear instead of empty flows list when mcp is enabled (#8336) * fix mcp client async problems * fixed mcp sse access * [autofix.ci] apply automated fixes * Made values be maintained when refreshing page * Fixed bugs with tool mode and switching from tool mode to not tool mode * Update mcp_component.py * Update test_mcp_component.py * Don't expose file by name as external endpoint * Update files.py * Update files.py * Add checks for id * Refactor tests * Update test_mcp_component.py * Update test_mcp_component.py * Update test_mcp_component.py * updated tests * re-added placeholder on input for tests to not fail * updated session selector in order for tests to work --------- Co-authored-by: Eric Hare <ericrhare@gmail.com> Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org> Co-authored-by: Mike Fortman <michael.fortman@datastax.com> Co-authored-by: Cristian Lousa <cristian.lousa@gmail.com> Co-authored-by: Edwin Jose <edwin.jose@datastax.com> Co-authored-by: Deon Sanchez <69873175+deon-sanchez@users.noreply.github.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: KimberlyFields <46325568+KimberlyFields@users.noreply.github.com> Co-authored-by: Ítalo Johnny <italojohnnydosanjos@gmail.com> Co-authored-by: Mendon Kissling <59585235+mendonk@users.noreply.github.com> |
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Langflow is a powerful tool for building and deploying AI-powered agents and workflows. It provides developers with both a visual authoring experience and a built-in API server that turns every agent into an API endpoint 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 to get started quickly and iterate.
- Access to Code so developers can tweak any component using Python.
- Playground to immediately test and iterate on their flows with step-by-step control.
- Multi-agent orchestration and conversation management and retrieval.
- Deploy as an API or export as JSON for Python apps.
- Observability with LangSmith, LangFuse and other integrations.
- Enterprise-ready security and scalability.
⚡️ Quickstart
Langflow works with Python 3.10 to 3.13.
Install with uv (recommended)
uv pip install langflow
Install with pip
pip install langflow
📦 Deployment
Self-managed
Langflow is completely open source and you can deploy it to all major deployment clouds. Follow this guide to learn how to use Docker to deploy Langflow.
Fully-managed by DataStax
DataStax Langflow is a full-managed environment with zero setup. Developers can sign up for a free account to get started.
⭐ 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 and help make Langflow more accessible.