Originally published on rohitraj.tech
OfficeCLI is the open-source tool developers are using to let an AI agent actually build Word, Excel and PowerPoint files — not describe them, build them, with formulas that compute. It crossed 10,576 GitHub stars and shipped v1.0.131 on 2026-07-08. Here is the builder read: what it is, the render-look-fix loop that gives your agent eyes, the one-line MCP install for Claude Code and Cursor, a worked example where an agent assembles a real Excel financial model, an honest 4-way comparison against Microsoft 365 Copilot Agents, python-docx and Aspose, and the prompt-injection failure mode you must gate before you ship it.
Read the full version with code samples, diagrams, and architecture details: OfficeCLI: Give AI Agents Real Control of Word, Excel & PowerPoint (2026 Guide)
More engineering notes: rohitraj.tech/en/notes
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