sepia
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).
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Sepia is a skill pack that adds de-AI writing behavior to any Agent Skills-compatible agent, with native plugins for Claude Code, Codex, Grok Build, and Antigravity. It targets two modes: narrative-architecture repair for fiction and venue-matched rules for professional prose, based on the StoryScope paper (arXiv:2604.03136).
Reach for it when your agent's output reads as AI-generated and you want writing that fits fiction structure or a specific publication venue.
Use it to
- Install the skill into an Agent Skills-compatible agent via the Skills CLI
- Use the Claude Code, Codex, Grok Build, or Antigravity plugin
- Repair narrative architecture in fiction drafts
- Apply venue-matched rules to professional prose
For Writers and developers using LLM agents for prose
- Role
- skill-pack
- Language
- Python
- Licence
- MIT
- Forks
- 172
- Open issues
- 6
- Last push
- 2026-09-16
- Latest release
- v0.2.0 · 2026-08-28
- Skills shipped
- 6