agentmods.dev

codex-imagegen

A plugin for generating image files through Codex’s built-in image-generation skill and placing them in a project. It also removes generated-image cache files afterward.

In plain words
What is it for?
Use it when a project needs newly generated bitmap images, such as visual assets, and those files should be copied into the project with cache cleanup.
Why use it?
It provides a defined workflow for using generated images in a project while keeping temporary generated files from accumulating. The input does not describe image editing or specific image types.

Plugin for Claude Code

19 14d ago A scan tokens not measured original MIT
View the source file nathanonn/agent-skills
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Claude Code
/plugin marketplace add nathanonn/agent-skills
agentmods
npx agentmods add plugins/nathanonn/agent-skills/codex-imagegen
Clone the repo
git clone --depth 1 https://github.com/nathanonn/agent-skills

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

codex-imagegen scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/codex-imagegen/.claude-plugin/plugin.json · 15 lines

What it actually says

{
  "$schema": "https://json.schemastore.org/claude-code-plugin-manifest.json",
  "name": "codex-imagegen",
  "displayName": "Codex Imagegen",
  "version": "1.0.0",
  "description": "Generate images via Codex's built-in $imagegen skill, land them in the project, and auto-clean the generated_images cache so storage stays flat.",
  "author": {
    "name": "Nathan Onn",
    "url": "https://github.com/nathanonn"
  },
  "repository": "https://github.com/nathanonn/agent-skills",
  "license": "MIT",
  "keywords": ["image", "imagegen", "codex", "generate", "featured-image", "media"]
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 15 lines scan A 00a50e965769

Subscribe to this mod's changes

codex-imagegen is a plugin published in the GitHub repository nathanonn/agent-skills (19 stars, last pushed 14d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Creative and media
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