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omniplugin

v0.2.0

The omni-platform plugin playbook, installable: gives your agent the doctrine, checklists, and per-platform crib sheets for building and porting plugins that run on Claude Code, Codex, OpenCode, Hermes, Antigravity, and more.

CodexClaude Code1 Skill

By Quan Duong5 GitHub starsUpdated last month

Directory evidence

Runtimes
Codex and Claude Code
Parsed components
1 skill or MCP entry
Source updated
Aug 27, 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 omniplugin for Codex and Claude Code

Installs for the current user
codex plugin marketplace add nagisanzenin/omniplugin
codex plugin marketplace upgrade omniplugin
codex plugin add omniplugin@omniplugin

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

Compatibility: the page URL and API slug “omniplugin” remain stable.

  • Codex: omniplugin@agent-plugin-marketplace → omniplugin@omniplugin

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/nagisanzenin/omniplugin

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

omniplugin/
├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
└── skills/omniplugin/SKILL.md

Included Skills1

omnipluginskills/omniplugin/SKILL.md

Playbook for building and maintaining omni-platform agent plugins (one repo, native installs on Claude Code, Codex, OpenCode, Hermes, Antigravity, Gemini CLI, and more). Use when creating a plugin meant for more than one platform, porting an existing plugin to a new agentic platform, reviewing a platform-port PR, releasing a multi-platform plugin, or answering how another platform's plugin/skill/hook format works.

Plugin manifests2

.codex-plugin/plugin.json
{
  "name": "omniplugin",
  "version": "0.2.0",
  "description": "The omni-platform plugin playbook, installable: gives your agent the doctrine, checklists, and per-platform crib sheets for building and porting plugins that run on Claude Code, Codex, OpenCode, Hermes, Antigravity, and more.",
  "author": {
    "name": "Quan Duong"
  },
  "homepage": "https://github.com/nagisanzenin/omniplugin",
  "keywords": [
    "plugins",
    "playbook",
    "cross-platform",
    "skills",
    "agent-skills"
  ],
  "skills": "./skills/",
  "interface": {
    "displayName": "omniplugin",
    "category": "development"
  }
}
.claude-plugin/plugin.json
{
  "name": "omniplugin",
  "version": "0.2.0",
  "description": "The omni-platform plugin playbook, installable: gives your agent the doctrine, checklists, and per-platform crib sheets for building and porting plugins that run on Claude Code, Codex, OpenCode, Hermes, Antigravity, and more.",
  "author": {
    "name": "Quan Duong"
  },
  "homepage": "https://github.com/nagisanzenin/omniplugin",
  "keywords": [
    "plugins",
    "playbook",
    "cross-platform",
    "skills",
    "agent-skills"
  ]
}

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.

[omniplugin on Agent Plugins Marketplace](https://pluginsmp.com/plugins/omniplugin)