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codex

Start an OpenAI Codex CLI session for deep reasoning and code analysis

Skill by agentic-box

IndexedMIT★ 140
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/agentic-box-codex

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Start an OpenAI Codex CLI session for deep reasoning and code analysis

Use cases: agent-building

Reviews

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Permissions

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

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/codex

What's inside

Skill name
codex
Description
Start an OpenAI Codex CLI session for deep reasoning and code analysis
License
MIT
Instructions
24 lines in SKILL.md · view on GitHub

Agent Skills spec issues

  • allowed-tools: must be a space-separated string

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Codex Session

Start a Codex CLI session for deep reasoning, code review, and analysis.

## Instructions

1. Take the user's prompt from: $ARGUMENTS
2. If no argument provided, ask what they want Codex to help with
3. Determine if new or continuation:
   - New topic: Use `start_codex_session`
   - Follow-up: Use `resume_codex_session`
4. Return immediately with the task_id
5. Tell the user:
   - "Codex started (task: <task_id>)"
   - "Check results with: `/codex-result <task_id>`"

**Do NOT call wait_for_task. Return immediately.**

## Usage

- `/codex Explain how the auth flow works`
- `/codex Find bugs in this function`

From agentic-box/owlex, MIT.

More from agentic-box/owlex

Signals

Stars
140
Forks
16
Open issues
0
Last commit (this folder)
Jan 10, 2026 (9 months ago)
Last release
Feb 18, 2026 (8 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
Repository
github.com/agentic-box/owlex
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

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Cite this page

codex skill. Agent Mart. https://agentmart.dev/skills/agentic-box-codex (last updated 2026-10-24)