Nanako0129/sepia: 6 Agent Skills
De-AI writing skill for any Agent Skills-compatible agent (77+ via the Skills CLI), with native plugins for Claude Code, Codex, Grok Build, and Antigravity. Narrative-architecture repair for fiction, venue-matched rules for professional prose. Based on StoryScope (arXiv:2604.03136).
| Repository | Nanako0129/sepia |
|---|---|
| GitHub stars | 3,041 |
| Skills | 6 |
| Category | Marketing, SEO and writing |
| License | MIT |
| Last updated | Oct 6, 2026 |
| Install counts | Nanako0129/sepia on skills.sh, Vercel's skills directory, which shows installs and security audits per skill |
Install Nanako0129/sepia
| All skills, any agent | npx skills add Nanako0129/sepia |
|---|---|
| One skill | npx skills add Nanako0129/sepia --skill sepia-hemingway |
| Only for Claude Code | npx skills add Nanako0129/sepia -a claude-code, or copy a skill folder to ~/.claude/skills/ (all projects) or .claude/skills/ (one project) |
npx skills is the open-source skills CLI; it asks which agents to install for. Skills can include scripts that your agent will run: read a skill before installing it, as you would any code.
Skills in Nanako0129/sepia
| Skill | What it does |
|---|---|
| sepia-hemingway | Use when a user asks to write or revise fiction in the Hemingway manner, or asks for strong de-AI on a story; applies Sepia's built-in Hemingway voice profile. |
| sepia-recreate | Use when a user explicitly requests Sepia recreate for a full rewrite. |
| sepia-refactor | Use when a user explicitly requests Sepia refactor for minimal in-place prose revision. |
| sepia-review | Use when a user explicitly requests Sepia review to diagnose prose without editing. |
| sepia-write | Use when a user explicitly requests Sepia write to create new prose. |
| sepia | Make AI-generated writing read as human-written, in fiction and in professional prose. Repairs the narrative architecture of fiction and stories (based on StoryScope, arXiv:2604.03136); routes professional text through domain rules for release notes, announcements, PR and issue replies,… |
Names and descriptions come from each skill's SKILL.md and are written by the pack's authors.
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