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Document & Office Skills for OpenAI Codex

Skills that let an agent create and edit Word, PDF, PowerPoint and Excel files properly. Every listing below works with OpenAI Codex. Free GitHub projects and paid options are ranked together.

Updated October 2026 · 3 listings · stars refreshed daily from GitHub

How to add document & office skills to OpenAI Codex

Skills follow the open Agent Skills format: a folder with a SKILL.md file. Copy the folder into the skills directory your app reads, then restart the session so the new description is picked up.

All agent skills 58 Development workflow skills 20 Community skill collections 15 Frontend & design skills 10 Security skills 4 Document & office skills 3 Official skill collections 3 Science & data skills 3

1

Obsidian Skills 🧩 SkillOpen source

Official-author skills for Obsidian Markdown, Bases, JSON Canvas and the Obsidian CLI

★ 49k · +218 this week

8.1 GitHub ↗

2

book-to-skill 🧩 SkillOpen source

Convert a technical book or doc folder into an on-demand Agent Skill with chapter files

★ 33k · +903 this week

7.7 GitHub ↗

3

MDA Open Spec 🧩 SkillOpen source

Write one .mda source, compile to SKILL.md, AGENTS.md and CLAUDE.md with integrity digests

★ 619 · +2 this week

6.5 Visit ↗

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