About Vespper

The bridge between AI agents and Word.

Vespper builds document infrastructure that lets agents work with Microsoft Word files without spending their context and time on OOXML mechanics.

What we build

Reliable DOCX editing.

Vespper exposes Word documents as high-fidelity HTML, lets an agent express the intended edit, and reconciles that change back into the original DOCX with tracked changes.

Our work focuses on preserving the parts that matter in production documents: content, styles, formatting, lists, tables, and review history.

Read the benchmark and technical methodology, or review the plans.