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image-gen

v2.1.0

Cover images and in-article illustrations for Codex. Imagen direct adapter and Grok or Codex engine hints.

CodexClaude CodeAgent Plugins1 Skill

By Spillwave SolutionsLicense: MIT2 GitHub starsUpdated last month

Directory evidence

Runtimes
Codex, Claude Code, and Agent Plugins
Parsed components
1 skill or MCP entry
Source updated
Aug 29, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install image-gen for Codex and Claude Code

Installs for the current user
codex plugin marketplace add SpillwaveSolutions/image_gen
codex plugin marketplace upgrade spillwave-image-gen
codex plugin add image-gen@spillwave-image-gen

Paste and run these commands in a terminal with Codex. They add and refresh the spillwave-image-gen catalog, then install this plugin.

Compatibility: the page URL and API slug “image-gen-2” remain stable.

  • Codex: image-gen-2@agent-plugin-marketplace → image-gen@spillwave-image-gen

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/SpillwaveSolutions/image_gen

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The repository root is the plugin root.

Plugin files

image-gen/
├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
├── plugin.json
└── SKILL.md

Included Skills1

image-genSKILL.md

Generate cover images and in-article illustrations for technical articles. Auto image backend: Imagen CLI (Nano Banana 2 / Pro), grok-img, then Codex agent. Triggers: generate images, cover image, article illustrations, visual assets, imagen, nano banana, grok imagine.

Plugin manifests3

.codex-plugin/plugin.json
{
  "name": "image-gen",
  "version": "2.1.0",
  "description": "Cover images and in-article illustrations for Codex. Imagen direct adapter and Grok or Codex engine hints.",
  "author": {
    "name": "Spillwave Solutions",
    "email": "[email protected]",
    "url": "https://spillwave.com"
  },
  "homepage": "https://github.com/SpillwaveSolutions/image_gen",
  "repository": "https://github.com/SpillwaveSolutions/image_gen",
  "license": "MIT",
  "keywords": [
    "image-generation",
    "imagen",
    "nano-banana",
    "article",
    "codex",
    "agent-skills",
    "worklog",
    "wiki-ticket-sdd"
  ],
  "skills": "./skills/",
  "interface": {
    "displayName": "Image Gen",
    "shortDescription": "Cover and in-article images via imagen, grok, or Codex",
    "longDescription": "Generate article cover images and technical illustrations. Use Imagen or grok-img directly, or select the Codex agent host with an engine hint. Every engine must write the requested PNG or the run fails closed with a prompt sidecar.",
    "developerName": "Spillwave Solutions",
    "category": "Productivity",
    "capabilities": [
      "Read",
      "Write"
    ],
    "websiteURL": "https://github.com/SpillwaveSolutions/image_gen",
    "defaultPrompt": [
      "Generate a cover image for this article.",
      "Create in-article illustrations for the key concepts.",
      "Install the latest imagen CLI and pin Nano Banana 2."
    ],
    "brandColor": "#4285F4"
  }
}
.claude-plugin/plugin.json
{
  "name": "image-gen",
  "displayName": "Image Gen",
  "version": "2.1.0",
  "description": "Cover images and in-article illustrations. Imagen direct adapter and Grok or Codex engine hints.",
  "author": {
    "name": "Spillwave Solutions",
    "email": "[email protected]",
    "url": "https://spillwave.com"
  },
  "homepage": "https://github.com/SpillwaveSolutions/image_gen",
  "repository": "https://github.com/SpillwaveSolutions/image_gen",
  "license": "MIT",
  "keywords": [
    "image-generation",
    "imagen",
    "nano-banana",
    "article",
    "cover-image",
    "claude-code",
    "worklog",
    "wiki-ticket-sdd"
  ],
  "defaultEnabled": true,
  "skills": "./skills/",
  "commands": "./commands/"
}
plugin.json
{
  "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
  "name": "image-gen",
  "version": "2.1.0",
  "description": "Generate cover images and in-article illustrations. Imagen direct adapter plus explicit Grok and Codex agent-engine hints with verified PNG output.",
  "author": {
    "name": "Spillwave Solutions",
    "email": "[email protected]",
    "url": "https://spillwave.com"
  },
  "homepage": "https://github.com/SpillwaveSolutions/image_gen",
  "repository": "https://github.com/SpillwaveSolutions/image_gen",
  "license": "MIT",
  "keywords": [
    "image-generation",
    "imagen",
    "nano-banana",
    "gemini",
    "article",
    "cover-image",
    "claude-code",
    "codex",
    "grok-build",
    "cursor",
    "agent-plugins",
    "worklog",
    "wiki-ticket-sdd"
  ],
  "extensions": {
    "com.anthropic.claude-code": {
      "pluginManifest": ".claude-plugin/plugin.json"
    },
    "com.openai.codex": {
      "pluginManifest": ".codex-plugin/plugin.json"
    },
    "ai.xai.grok-build": {
      "pluginManifest": ".grok-plugin/plugin.json"
    }
  }
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[image-gen on Agent Plugins Marketplace](https://pluginsmp.com/plugins/image-gen-2)