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 StorySc
Improve writing quality by fixing narrative structure and matching content to specific formats (Claude Code required)
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Free · no card · unsubscribe anytimeDe-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 StorySc
sepia has 3.6k stars on GitHub. It has been forked 219 times. sepia is written mainly in Python. It has been in active development since 2026. sepia is available under the MIT license. Its main topics are agent-skills, ai-writing, antigravity, claude-code.
What is 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 StorySc
Is sepia open source?
sepia is an open-source project. It is released under the MIT license.
Is sepia free?
Yes. sepia is free and open source — you can use, modify and self-host it.
What license does sepia use?
sepia is available under the MIT license.
What language is sepia written in?
sepia is written mainly in Python.
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