Skip to content
Agentmart
Submit a tool

codex

OpenAI Codex second opinion via the codex CLI — three modes.

Skill by bolasblack

IndexedLicense unknown★ 4
Write a review

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/bolasblack-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.

Get the weekly diff

The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.

We use your email only for this newsletter. Privacy

About

OpenAI Codex second opinion via the codex CLI — three modes. Review: independent diff review with a pass/fail gate. Challenge: adversarial pass that tries to break the code. Consult: ask Codex anything, with session continuity for follow-ups. Use when the user says "codex review", "codex challenge", "ask codex", or wants a second opinion from Codex.

Use cases: agent-building

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

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
Runs as
Python package

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/codex

Tools it pre-approves 5

From allowed-tools in SKILL.md: the agent may use these without asking you each time.

  • Bash,
  • Read,
  • Glob,
  • Grep,
  • AskUserQuestion

What's inside

Skill name
codex
Description
OpenAI Codex second opinion via the codex CLI — three modes. Review: independent diff review with a pass/fail gate. Challenge: adversarial pass that tries to break the code. Consult: ask Codex anything, with session continuity for follow-ups. Use when the user says "codex review", "codex challenge", "ask codex", or wants a second opinion from Codex.
License
unknown
Compatibility
Requires the OpenAI Codex CLI (npm install -g @openai/codex) authenticated via codex login or OPENAI_API_KEY/CODEX_API_KEY, and python3 for the bundled stream parser. Review and Challenge modes also require git.
Allowed tools
Bash,, Read,, Glob,, Grep,, AskUserQuestion
Instructions
195 lines in SKILL.md · view on GitHub

Before installing

  • Ships executable scripts
  • Pre-approves some shell commands

Files (6)

  • README.md
  • SKILL.md
  • parse-stream.py · scripts/
  • parse-stream_test.py · scripts/
  • run-with-timeout.py · scripts/
  • run-with-timeout_test.py · scripts/

The license isn't open source, so the instructions aren't shown here. Read SKILL.md on GitHub

More from bolasblack/claude-skills

Signals

Stars
4
Forks
0
Open issues
0
Last commit (this folder)
Aug 5, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
License unknown
Repository
github.com/bolasblack/claude-skills
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

More from bolasblack

Cite this page

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