OfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.
Word and every OOXML validator accept a .docx where the reviewer's comment lost the text it was about. Reproducible harness plus a deterministic checker.
Read .docx .xlsx .pptx .pdf .doc .xls .ppt → convert to PDF, SVG, HTML, Markdown, DOCX or XLSX — pure TypeScript, no LibreOffice, no headless Office, no commercial SDK
BrandDocs is a set of agent skills that learn your existing Word, PowerPoint and Excel templates and generate new on-brand documents from them. Unlike generic AI document generators, it preserves brand, structure, styles and formulas by construction. Built for Claude Code, Codex and compatible AI agents.
NanoXLSX is a small .NET library written in C#, to create and read Microsoft Excel files in the XLSX format (Microsoft Excel 2007 or newer) in an easy and native way