Partial Extension Bundle Install

uv pip install langflow installs bundle components automatically.

uv pip install lfx installs the core LFX executor only, with no provider bundles included.

If your flows use bundle components, install the required packages in the same virtual environment.

Some components require an additional torch opt-in installation.

Long-tail bundles are third-party provider integrations like vector stores or model providers that ship together in the lfx-bundles package.

Standalone bundles are graduated providers with their own release cadences, such as OpenAI, Anthropic, and Exa.

To install one long-tail provider:

uv pip install "lfx-bundles[<bundle>]"

To install every long-tail provider:

uv pip install "lfx[bundles]"

lfx[bundles] is equivalent to lfx plus lfx-bundles[all]. It does not install graduated standalone packages such as lfx-openai.

To install a standalone provider package:

uv pip install lfx-<provider>

For example:

uv pip install lfx-openai

For the complete bundle-to-package mapping, see the Bundle list.

Bundle discovery happens at startup. Restart Langflow or your LFX server after installing.

To see the extensions that are currently loaded, run:

lfx extension list