OfficeCLI Closes the Render-Look-Fix Loop for Agents Editing Office Files, Now 23,044 Stars and Releasing Near-Daily

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iOfficeAI/OfficeCLI (23,044 stars, 1,552 forks, Apache-2.0, C#) shipped v1.0.143 on 2026-07-28, three days after v1.0.142, and was pushed again on 2026-07-29. It gives agents read, edit and automation control over .docx, .xlsx and .pptx as a single binary with no Office install and no dependencies. The design detail that matters is the built-in HTML rendering engine, which renders documents to HTML or PNG so the agent can look at its own output and correct it, rather than writing file bytes blind. That visual verification loop is the same pattern showing up in agent UI tooling and is arguably the harder half of document automation.