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oh-my-claudecode vs OMX

Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.

oh-my-claudecode

Open source · MIT

Multi-agent orchestration layer for Claude Code, installed as a plugin or npm CLI.

OMX

Open source · MIT

A workflow layer that adds prompts, agent teams, and runtime helpers on top of OpenAI's Codex CLI.

The short answer

Choose oh-my-claudecode if you need…

  • Developers already using Claude Code who want multi-agent workflows
  • Teams experimenting with parallel AI agents on coding tasks
  • People who want a prebuilt autopilot command for building features from a short description
  • Users comfortable with Linux or macOS-style terminals and npm

Choose OMX if you need…

  • Developers already using Codex CLI who want more structure on longer tasks
  • Teams that want project guidance stored in AGENTS.md and a .omx/ folder inside a repository
  • macOS or Linux users, which the README names as the recommended setup
  • Users who want to run planning, review, and QA steps separately instead of in a fixed chain

Side-by-side

oh-my-claudecodeOMX
TypeDev toolDev tool
PriceFree and open sourceFree and open source
LicenceMITMIT
GitHub stars40.5k33.7k
Setup difficultyIntermediateIntermediate
How you get itInstall with a package managerInstall with a package manager
Main languageTypeScriptTypeScript
Last code update4 days ago4 days ago

What each one is

oh-my-claudecode

oh-my-claudecode (OMC) is an add-on for Claude Code, Anthropic's coding assistant. It adds commands and workflows that coordinate multiple AI agents working on a task in parallel, such as planning, building, and QA stages. The README describes it as aimed at making Claude Code usable with little setup, though the exact behavior of each workflow is documented on an external site rather than in the portion of the README provided.

OMX

OMX (oh-my-codex) is an add-on for OpenAI's Codex CLI, a coding agent that runs in your terminal. It adds a consistent workflow on top, such as planning, implementation, review, and QA steps invoked with commands like $plan, $team, and $code-review, and it keeps project guidance and state in a .omx/ folder. People use it when they want Codex to handle larger, multi-step tasks in a more structured way.

Best for

oh-my-claudecode

  • Developers already using Claude Code who want multi-agent workflows
  • Teams experimenting with parallel AI agents on coding tasks
  • People who want a prebuilt autopilot command for building features from a short description
  • Users comfortable with Linux or macOS-style terminals and npm

OMX

  • Developers already using Codex CLI who want more structure on longer tasks
  • Teams that want project guidance stored in AGENTS.md and a .omx/ folder inside a repository
  • macOS or Linux users, which the README names as the recommended setup
  • Users who want to run planning, review, and QA steps separately instead of in a fixed chain

Strengths

oh-my-claudecode

  • Installs as a Claude Code plugin through slash commands or as an npm CLI
  • Provides both in-session slash commands and a terminal CLI with the same setup step
  • Released under the permissive MIT license with an active repository and a large number of stars

OMX

  • Builds on Codex CLI rather than replacing it, and the README says Codex remains the execution engine
  • Workflow steps can be invoked independently, so you can use only the parts you need
  • MIT licensed with an active public repository and a published npm package

Not ideal for

oh-my-claudecode

  • People who do not use Claude Code, since OMC is an add-on to it
  • Users on environments without the flock utility who need named autopilot stage profiles, because those currently require Linux with flock
  • Non-technical users who want a simple no-code tool, since setup involves slash commands, npm, and terminal use

OMX

  • People who do not use or have access to Codex CLI, since OMX is described as a layer on top of it
  • Native Windows users, because the README says it is not the default experience and receives less support
  • Users who find a heavy workflow layer more than they need; the README itself points to a lighter sibling project, gajae-code, for that case

Trade-offs

oh-my-claudecode

  • Named autopilot stage profiles currently require Linux with the flock utility, so other environments are limited to legacy autopilot
  • npm may print a deprecation warning during CLI install that comes from an upstream dependency
  • The README is long and relies on external documentation and a separate reference file for full detail

OMX

  • The README describes a number of settings and behaviors (merge policies, auto-update, plugin modes) that add complexity for new users
  • Support is strongest on macOS and Linux; Windows and the Codex App may behave inconsistently
  • Requires a working, authenticated Codex CLI, so it does not work on its own

Getting started

oh-my-claudecode

Install the plugin from the Claude Code marketplace (run inside Claude Code, one line at a time)

/plugin marketplace add https://github.com/Yeachan-Heo/oh-my-claudecode

Install the plugin (run inside Claude Code)

/plugin install oh-my-claudecode
Step-by-step guide: how to use oh-my-claudecode

OMX

Install OMX globally with npm

npm install -g oh-my-codex

Install Codex CLI with npm (optional, if you do not already have it)

npm install -g @openai/codex
Step-by-step guide: how to use OMX

Frequently asked questions

What is the difference between oh-my-claudecode and OMX?

oh-my-claudecode: Multi-agent orchestration layer for Claude Code, installed as a plugin or npm CLI. OMX: A workflow layer that adds prompts, agent teams, and runtime helpers on top of OpenAI's Codex CLI. oh-my-claudecode suits developers already using claude code who want multi-agent workflows, while OMX suits developers already using codex cli who want more structure on longer tasks.

Are oh-my-claudecode and OMX free?

oh-my-claudecode: Free and open source. OMX: Free and open source.

Is oh-my-claudecode or OMX more popular?

oh-my-claudecode has more GitHub stars (40.5k) than OMX (33.7k). Popularity isn't the same as fit — check which one matches your use case above.

What are other alternatives to oh-my-claudecode and OMX?

Other options people compare them with include wshobson/agents, planning-with-files, oh-my-opencode-slim, ECC, Claude Code Game Studios.

Keep comparing

Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.