Collaborate with OpenAI Codex CLI for parallel work. Use when delegating tasks from Claude Code to Codex or requesting plan reviews. (1) Create plan.md and ask Codex for feedback, (2) Offload long-running tasks to Codex for parallel work, (3) Execute tasks non-interactively with codex exec, (4) Request code reviews from Codex
/plugin marketplace add masseater/claude-code-plugin/plugin install mutils@masseater-pluginsThis skill inherits all available tools. When active, it can use any tool Claude has access to.
Invoke OpenAI Codex CLI from Claude Code for collaborative work.
Ask Codex to review plans created by Claude Code:
# After creating plan.md
codex exec "Read plan.md and review this plan. Point out any issues or suggest improvements"
Request detailed feedback:
codex exec "Read plan.md and review from these perspectives:
1. Missing edge cases
2. Performance implications
3. Better alternative approaches"
codex exec "Run all tests in this directory and fix any failures"
Save output to file:
codex exec --output-last-message result.md "Update the README"
codex exec "Review the changes shown by git diff and point out any issues"
Background execution:
codex exec --output-last-message /tmp/codex-result.md "Execute large-scale refactoring" &
| Option | Description |
|---|---|
--sandbox read-only | Read-only access |
--sandbox workspace-write | Write access within workspace only |
codex --sandbox workspace-write exec "Execute refactoring"
| Option | Description |
|---|---|
--model, -m | Specify model |
--image, -i | Attach image file |
--search | Enable web search |
--full-auto | Auto-execute without approval |
--output-last-message, -o | Save final message to file |