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Sepia Refactor

Sepia Refactor is an agent skill (a SKILL.md file) from Nanako0129/sepia. Agents load it when a user explicitly requests Sepia refactor for minimal in-place prose revision. It works with Claude Code, Codex, Cursor, GitHub Copilot and OpenCode and has 3,482 GitHub stars across a repository of 2 listed skills.

github.com/Nanako0129/sepia/skills/sepia-refactor (opens in a new tab)

Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add Nanako0129/sepia
/plugin install sepia@sepia

In the Claude apps, zip the sepia-refactor folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/Nanako0129/sepia.git
cp -r sepia/skills/sepia-refactor .agents/skills/sepia-refactor   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/Nanako0129/sepia.git
cp -r sepia/skills/sepia-refactor .cursor/skills/sepia-refactor   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Use when a user explicitly requests Sepia refactor for minimal in-place prose revision. This entry is supported only when co-installed with Sepia. Resolve only the exact sibling path ../sepia/SKILL.md from the directory containing this loaded wrapper file. If it is absent or unreadable, stop with: Sepia canonical skill is unavailable; install the complete Sepia plugin package.

When it triggers

  • Use when a user explicitly requests Sepia refactor for minimal in-place prose revision.

More skills in Nanako0129/sepia

2 skills are listed from this repository.

Similar skills

More coding skills

All Coding

FAQ

Sepia Refactor FAQ

Still curious? Email info@appsgit.com.

How do I install the Sepia Refactor skill?

In Claude Code, run /plugin marketplace add Nanako0129/sepia and then /plugin install sepia@sepia. For Codex or Cursor, copy the sepia-refactor folder into .agents/skills/ or .cursor/skills/.

Is the Sepia Refactor skill free?

Yes. The repository is open source under the MIT license.

Is Sepia Refactor maintained?

The repository's most recent commit was on Oct 15, 2026. Its latest release is v0.12.4. appsgit only lists skills from repositories with a commit in the last six months.