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[OMX] Diagnose and fix oh-my-codex installation issues

Skill by jacking7

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About

[OMX] Diagnose and fix oh-my-codex installation issues

Use cases: agent-building

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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  • codeload.github.com · found in install command

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  • ~/.claude/skills/doctor

What's inside

Skill name
doctor
Description
[OMX] Diagnose and fix oh-my-codex installation issues
License
MIT
Instructions
236 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Doctor Skill

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

## Canonical skill root

OMX installs skills to `${CODEX_HOME:-~/.codex}/skills/` — this is the path current Codex CLI natively loads as its skill root.

`~/.agents/skills/` is a **historical legacy path** from an older Codex CLI release, before Codex settled on `~/.codex` as its home directory. Current Codex CLI and OMX no longer write there.

**In a mixed OMX + plain Codex environment:**
- **Use**: `${CODEX_HOME:-~/.codex}/skills/` (user scope) or `.codex/skills/` (project scope)
- **Clean up if present**: `~/.agents/skills/` — if this still exists alongside the canonical root, Codex's Enable/Disable Skills UI will show duplicate entries for any skill present in both trees
- **Interop rule**: OMX writes only to the canonical path; archive or remove `~/.agents/skills/` once you have confirmed `${CODEX_HOME:-~/.codex}/skills/` is your active root

## Task: Run Installation Diagnostics

You are the OMX Doctor - diagnose and fix installation issues.

### Step 1: Check Plugin Version

Official Codex plugin caches are marketplace- and version-scoped, for example `${CODEX_HOME:-~/.codex}/plugins/cache/$MARKETPLACE_NAME/oh-my-codex/$VERSION/`. Local installs may use `local` as the version identifier.

```bash
# Get installed plugin cache versions across marketplaces.
# Cache shape: $PLUGIN_CACHE_ROOT/$MARKETPLACE_NAME/oh-my-codex/$PLUGIN_VERSION/
PLUGIN_CACHE_ROOT="${CODEX_HOME:-$HOME/.codex}/plugins/cache"
CACHE_ENTRIES=$(find "$PLUGIN_CACHE_ROOT" -path "*/oh-my-codex/*" -mindepth 3 -maxdepth 3 -type d 2>/dev/null)

if [[ -z "$CACHE_ENTRIES" ]]; then
  echo "Installed plugin cache: none"
else
  while IFS= read -r VERSION_DIR; do
    MARKETPLACE_NAME=$(basename "$(dirname "$(dirname "$VERSION_DIR")")")
    PLUGIN_VERSION=$(basename "$VERSION_DIR")
    printf 'Installed plugin cache: marketplace=%s version=%s path=%s\n' "$MARKETPLACE_NAME" "$PLUGIN_VERSION" "$VERSION_DIR"
  done <<< "$CACHE_ENTRIES"
fi

# Get latest from npm
LATEST=$(npm view oh-my-codex version 2>/dev/null)
echo "Latest npm: $LATEST"
```

**Diagnosis**:
- If no cache entry exists: INFO - plugin marketplace artifact not cached; this may be normal when OMX was installed only through npm/setup
- Compare each printed `PLUGIN_VERSION` with `LATEST`; if it differs and is not `local`: WARN - outdated plugin cache
- If one marketplace has multiple version directories: WARN - stale cache for that marketplace/plugin pair
- Remember: plugin install/discovery is not a replacement for `npm install -g oh-my-codex` plus `omx setup`; the packaged plugin carries plugin-scoped companion metadata for optional MCP compatibility servers and apps, with first-party MCP disabled by default, while native/runtime hooks and the rest of OMX runtime wiring stay setup-owned

### Step 2: Check Hook Configuration (config.toml + legacy settings.json)

Check `~/.codex/config.toml` first (current Codex config), then check legacy `~/.codex/settings.json` only if it exists.

Look for hook entries pointing to removed scripts like:
- `bash $HOME/.codex/hooks/keyword-detector.sh`
- `bash $HOME/.codex/hooks/persistent-mode.sh`
- `bash $HOME/.codex/hooks/session-start.sh`

**Diagnosis**:
- If found: CRITICAL - legacy hooks causing duplicates

### Step 3: Check for Legacy Bash Hook Scripts

```bash
ls -la ~/.codex/hooks/*.sh 2>/dev/null
```

**Diagnosis**:
- If `keyword-detector.sh`, `persistent-mode.sh`, `session-start.sh`, or `stop-continuation.sh` exist: WARN - legacy scripts (can cause confusion)

### Step 4: Check AGENTS.md

```bash
# Check if AGENTS.md exists
ls -la ~/.codex/AGENTS.md 2>/dev/null

# Check for OMX marker
grep -q "oh-my-codex Multi-Agent System" ~/.codex/AGENTS.md 2>/dev/null && echo "Has OMX config" || echo "Missing OMX config"
```

**Diagnosis**:
- If missing: CRITICAL - AGENTS.md not configured
- If missing OMX marker: WARN - outdated AGENTS.md

### Step 5: Check for Stale Plugin Cache

```bash
# List marketplace/version cache entries for this plugin
PLUGIN_CACHE_ROOT="${CODEX_HOME:-$HOME/.codex}/plugins/cache"
find "$PLUGIN_CACHE_ROOT" -path "*/oh-my-codex/*" -mindepth 3 -maxdepth 3 -type d 2>/dev/null \
  | while IFS= read -r VERSION_DIR; do
      MARKETPLACE_NAME=$(basename "$(dirname "$(dirname "$VERSION_DIR")")")
      PLUGIN_VERSION=$(basename "$VERSION_DIR")
      printf '%s\t%s\n' "$MARKETPLACE_NAME" "$PLUGIN_VERSION"
    done
```

**Diagnosis**:
- If a single marketplace lists multiple versions: WARN - multiple cached versions for that marketplace/plugin pair (cleanup recommended)

### Step 6: Check for Legacy Curl-Installed Content

Check for legacy agents, commands, and historical legacy skill roots from older installs/migrations:

```bash
# Check for legacy agents directory
ls -la ~/.codex/agents/ 2>/dev/null

# Check for legacy commands directory
ls -la ~/.codex/commands/ 2>/dev/null

# Check canonical current skills directory
ls -la ${CODEX_HOME:-~/.codex}/skills/ 2>/dev/null

# Check historical legacy skill directory
ls -la ~/.agents/skills/ 2>/dev/null
```

From jacking7/G2B-BID-REPORT, MIT.

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Last commit (this folder)
May 18, 2026 (5 months ago)
Last release
May 20, 2026 (5 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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doctor skill. Agent Mart. https://agentmart.dev/skills/jacking7-doctor (last updated 2026-10-24)