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lfx-exa

Exa web-search and contents tools as a standalone Langflow Extension Bundle.

What it ships

One component, registered under the exa bundle group:

  • Exa Search (ExaSearchToolkit, canonical ID ext:exa:ExaSearchToolkit@official) — a toolkit exposing two tools for a Langflow Agent component or MCP client:
    • search — search the web with Exa (auto / fast / instant / deep search types, category, domain allow/deny lists, published-date range), returning token-efficient highlights by default.
    • get_contents — fetch highlights and/or full text for result IDs returned by search.

The component is built on the exa-py SDK. It previously shipped inside the manifest-less lfx-bundles metapackage on the deprecated metaphor-python client; the bundle name and class name are unchanged, so saved flows load without migration changes. The legacy metaphor_api_key field is still honored (hidden) — new flows should use exa_api_key.

Install

pip install lfx-exa

pip install langflow already includes it.

Develop

The bundle is a uv workspace member of the Langflow monorepo:

uv sync
uv run pytest src/bundles/exa/tests -q
uv run lfx extension validate src/bundles/exa/src/lfx_exa

To iterate on the component with a live palette:

uv run lfx extension dev src/bundles/exa

Metadata

Release files for lfx-exa 0.2.1

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