sepia plugin for Codex

CommunityPluginCreativity

De-AI writing package with the general Sepia router plus five separate operation entries: write, review, refactor, recreate, and hemingway.

How to install sepia in Codex

1. Add the repo as a Codex plugin marketplace:

codex plugin marketplace add Nanako0129/sepia

2. Install the plugin from it:

codex plugin add sepia@sepia

This repo ships a Codex marketplace file (.agents/plugins/marketplace.json). The first command adds it as a marketplace (Codex CLI reference); the second installs the plugin 'sepia'. 'sepia' is the marketplace name from that file. Check the repo README too. Command format: Codex CLI reference.

What it contains

Plugins in this marketplace (1)

  • sepia — De-AI writing package with the general Sepia router plus five separate operation entries: write, review, refactor, recreate, and hemingway.

About this listing

sepia is a community plugin on GitHub by Nanako0129. Its README documents a Codex install and the repo ships a Codex plugin manifest. It passed the CodexStacks quality filter for repos found this way (at least 500 stars, pushed in the last 90 days, not a fork or a list). OpenAI hasn't reviewed it and we haven't tested it. From its files we found 1 plugin. The manifest says version 0.12.4. It's one of 36 listings in the Creativity category (category assigned by CodexStacks from the repo's topics and description).

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sepia FAQ

How do I install sepia in Codex?

Add the repo as a Codex plugin marketplace with codex plugin marketplace add Nanako0129/sepia, then install it with codex plugin add sepia@sepia. Commands: the command format from the Codex CLI reference; check the repo README too.

Is sepia an official Codex plugin?

No. sepia is a community repo on GitHub by Nanako0129. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it and we haven't tested it, so read the code before you install it.

What does sepia include?

From its manifest and repo files, sepia includes 1 plugin: sepia.

Details

Type
Plugin
Category
Creativity (assigned by us)
Source
Community
Author
Nanako0129
Version
0.12.4
License
MIT
GitHub stars
3,195 (at last sync)
Last push
2026-10-15
Manifest
.agents/plugins/marketplace.json
GitHub topics
agent-skills, ai-writing, antigravity, claude-code, developer-tools, fiction, grok, humanizer, llm, prompt-engineering, writing-tools
Source
https://github.com/Nanako0129/sepia
Listed via
GitHub search: README documents a Codex install
Tested by CodexStacks
Not yet

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Listed on CodexStacks

Markdown

[![Listed on CodexStacks](https://codexstacks.com/badge.svg)](https://codexstacks.com/p/sepia/)

HTML

<a href="https://codexstacks.com/p/sepia/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>

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sepiaCommunity Codex plugin · 1 pluginDe-AI writing package with the general Sepia router plus five separate operation entries: write, review, refactor…View on CodexStacks →
<a href="https://codexstacks.com/p/sepia/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">sepia</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin · 1 plugin</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">De-AI writing package with the general Sepia router plus five separate operation entries: write, review, refactor…</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>

Markdown summary

**[sepia on CodexStacks](https://codexstacks.com/p/sepia/)**: Community Codex plugin with 1 plugin.

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