This repository is an independent LangChain integration package maintained
outside the LangChain monorepo.

Licensing correction
--------------------
Earlier releases of this package were labeled as MIT. That was incorrect for
this integration because the package hard-depends on PyMuPDF4LLM / PyMuPDF.
This repository is now distributed under the GNU Affero General Public License
v3.0 only (AGPL-3.0-only).

Downstream users should review their own obligations before using this package
in distributed software or network services. Users who cannot comply with the
AGPL should evaluate Artifex's commercial licensing options for the PyMuPDF
stack.

Third-party notices
-------------------
- `langchain-core` is licensed under the MIT License by LangChain, Inc.
- `pymupdf4llm` is published by Artifex under AGPL/commercial terms and pulls
  in the PyMuPDF stack.

See upstream projects for their full license texts and any additional notice
requirements.
