Vespper launches a DOCX MCP for agents editing Word documents

Vespper, a Y Combinator F24 startup, launches a DOCX MCP that lets agents edit Word files through HTML that a trained reconciler converts back to OOXML. On its 279-task internal benchmark, the company reports its MCP is 2.7–2.9x cheaper and 2.7–3.5x faster than Anthropic's DOCX skill, with higher pass rates.

The post also lists current limitations, including no comment creation or reply, no image or video attachment, and no support for latent styles.