Skip to content
Agent Orchestration
Skill

/omc-setup

Install or refresh oh-my-claudecode for plugin, npm, and local-dev setups from the canonical setup flow

From plugin
oh-my-claudecode
41k84 skills21 agents21 commands11 hooks
+1

Claude Code

$ npx -y skills add Yeachan-Heo/oh-my-claudecode --skill omc-setup --agent claude-code

SKILL.md

omc-setup.SKILL.md
name: omc-setup
description: Install or refresh oh-my-claudecode for plugin, npm, and local-dev setups from the canonical setup flow
level: 2

OMC Setup

This is the **only command you need to learn**. After running this, everything else is automatic.

**When this skill is invoked, immediately execute the workflow below. Do not only restate or summarize these instructions back to the user.**

Note: All `~/.claude/...` paths in this guide respect `CLAUDE_CONFIG_DIR` when that environment variable is set.

Best-Fit Use

Choose this setup flow when the user wants to **install, refresh, or repair OMC itself**.

  • Marketplace/plugin install users should land here after `/plugin install oh-my-claudecode`
  • npm users should land here after `npm i -g oh-my-claude-sisyphus@latest`
  • local-dev and worktree users should land here after updating the checked-out repo and rerunning setup

Flag Parsing

Check for flags in the user's invocation:

  • `--help` → Show Help Text (below) and stop
  • `--local` → Phase 1 only (target=local), then stop
  • `--global` → Phase 1 only (target=global), then stop
  • `--force` → Skip Pre-Setup Check, run full setup (Phase 1 → 2 → 3 → 4)
  • No flags → Run Pre-Setup Check, then full setup if needed

Help Text

When user runs with `--help`, display this and stop:

OMC Setup - Configure oh-my-claudecode

USAGE:
  /oh-my-claudecode:omc-setup           Run initial setup wizard (or update if already configured)
  /oh-my-claudecode:omc-setup --local   Configure local project (.claude/CLAUDE.md)
  /oh-my-claudecode:omc-setup --global  Configure global settings (~/.claude/CLAUDE.md)
  /oh-my-claudecode:omc-setup --force   Force full setup wizard even if already configured
  /oh-my-claudecode:omc-setup --help    Show this help

MODES:
  Initial Setup (no flags)
    - Interactive wizard for first-time setup
    - Configures CLAUDE.md (local or global)
    - Sets up HUD statusline
    - Checks for updates
    - Clears retired setup values (5.0.0 removed defaultExecutionMode) and points MCP registration at Claude Code's native config
    - Configures team mode defaults (agent count, type, model)
    - If already configured, offers quick update option

  Local Configuration (--local)
    - Invokes the plugin-local coordinator through `scripts/setup-claude-md.sh`; the shell validates the coordinator response and its exit status before any post-install work
    - Reports coordinator-created byte-identical backups only for files that required mutation
    - Project-specific settings
    - Use this to update project config after OMC upgrades

  Global Configuration (--global)
    - Invokes the plugin-local coordinator through `scripts/setup-claude-md.sh`; the shell validates the coordinator response and its exit status before any post-install work
    - Reports coordinator-created byte-identical backups only for changed global files
    - Default: explicitly overwrites ~/.claude/CLAUDE.md so plain `claude` also uses OMC
    - Optional preserve mode keeps the user's base `CLAUDE.md` and installs OMC into `CLAUDE-omc.md` for `omc` launches
    - Applies to all Claude Code sessions
    - Preserves same-named legacy hook files unless their exact historical contents are independently verified
    - Use this to update global config after OMC upgrades

  Force Full Setup (--force)
    - Bypasses the "already configured" check
    - Runs the complete setup wizard from scratch
    - Use when you want to reconfigure preferences

EXAMPLES:
  /oh-my-claudecode:omc-setup           # First time setup (or update CLAUDE.md if configured)
  /oh-my-claudecode:omc-setup --local   # Update this project
  /oh-my-claudecode:omc-setup --global  # Update all projects
  /oh-my-claudecode:omc-setup --force   # Re-run full setup wizard

For more info: https://github.com/Yeachan-Heo/oh-my-claudecode

Setup Invocation

Do not independently scan plugin cache directories or select a plugin root in this skill. Invoke the setup script from the plugin root supplied by the running plugin environment:

bash "${OMC_SETUP_PLUGIN_ROOT:-${CLAUDE_PLUGIN_ROOT}}/scripts/setup-claude-md.sh" <local|global> [overwrite|preserve]

The script is the sole cache resolver. It accepts only complete plugin roots (canonical `docs/CLAUDE.md`, coordinator artifact, and `wiki` skill), chooses a strict full-SemVer cache version, verifies the compiled-source handshake, and fails closed on coordinator protocol or status disagreement. Do not download configuration or mutate `CLAUDE.md` outside that coordinator.

Pre-Setup Check: Already Configured?

**CRITICAL**: Before doing anything else, check if setup has already been completed. This prevents users from having to re-run the full setup wizard after every update.

# Check if setup was already completed
CONFIG_DIR="${CLAUDE_CONFIG_DIR:-$HOME/.claude}"
case "$CONFIG_DIR" in
  "~") CONFIG_DIR="$HOME" ;;
  "~/"*) CONFIG_DIR="$HOME/${CONFIG_DIR#\~/}" ;;
  "~\\"*) CONFIG_DIR="$HOME/${CONFIG_DIR#\~\\}" ;;
esac
CONFIG_FILE="$CONFIG_DIR/.omc-config.json"

if [ -f "$CONFIG_FILE" ]; then
  if ! command -v jq >/dev/null 2>&1; then
    echo "ERROR: jq is required to inspect existing OMC setup state. Existing config was not modified."
    exit 1
  fi
  if ! SETUP_COMPLETED=$(jq -r '.setupCompleted // empty' "$CONFIG_FILE" 2>/dev/null) \
    || ! SETUP_VERSION=$(jq -r '.setupVersion // empty' "$CONFIG_FILE" 2>/dev/null); then
    echo "ERROR: Existing OMC config is invalid JSON. Existing config was not modified."
    exit 1
  fi

  if [ -n "$SETUP_COMPLETED" ] && [ "$SETUP_COMPLETED" != "null" ]; then
    echo "OMC setup was already completed on: $SETUP_COMPLETED"
    [ -n "$SETUP_VERSION" ] && echo "Setup version: $SETUP_VERSION"
    ALREADY_CONFIGURED="true"
  fi
fi

If Already Configured (and no --force flag)

If `ALREADY_CONFIGURED` is true AND the user did NOT pass `--force`, `--local`, or `--global` flags:

Use AskUserQuestion to prompt:

**Question

Read more
@yeachan-heo
Ships withoh-my-claudecode

For Codex users: Check out oh-my-codex — the same orchestration experience for OpenAI Codex CLI. Liked OmC but found it a bit overkill? Try gajae-code.

41k84 skills21 agents1 MCP
Get the whole plugin

Stars on GitHub

Momentum

stars in total
40.7k
Star history of Yeachan-Heo/oh-my-claudecode on GitHub, a chart by star-history.com

Other skills on oh-my-claudecode.

architect

architect

Settle types and module shape before cross-boundary code — competing designs explored in parallel, compared on API surface and…

arena

arena

Run N parallel candidates at one brief and synthesize: rubric-first framing, isolated fan-out, a cross-judge on a different…

More skills from other plugins.

1password

1password

Set up and use 1Password CLI for sign-in, desktop integration, and reading or injecting secrets.

clawdis11d393k
@steipete@steipeteInstall Skill
computer-use

computer-use

Drives the GUI of a visible local app window through `orca computer`: accessibility tree, clicks, typing, menus, dialogs, and…

orca11d111k
@stablyai@stablyaiInstall Skill
agentmail

agentmail

Use your assigned AgentMail inbox to read email tasks, explicitly send or reply, and check delivery. Provided automatically by…

paperclip11d109k
@paperclipai@paperclipaiInstall Skill
adr-create

adr-create

Create a new Architecture Decision Record with sequential numbering and AgentDB registration

@ruvnet@ruvnetInstall Skill

Questions about omc-setup.

Which coding agents can use omc-setup?
omc-setup installs in Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI, using each agent's flag shown on this page. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.