How do I install the Julien Workflow Advice Codex skill?

Run npx skillmds@latest add majiayu000/julien-workflow-advice-codex in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Julien Workflow Advice Codex safe to use?

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Which AI agents work with Julien Workflow Advice Codex?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Julien Workflow Advice Codex free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Julien Workflow Advice Codex?

majiayu000 (@majiayu000) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Julien Workflow Advice Codex by majiayu000

Name: Julien Workflow Advice Codex
Rating: 4.2 (5 reviews)
Author: majiayu000

File contents

Ask Codex

Get feedback from OpenAI's Codex CLI on code, bugs, or implementation approaches.

Prerequisites

Codex CLI installed: npm install -g @openai/codex
Authenticated: codex login or sign in with ChatGPT account
Verify: codex --version

When to Use

Want a second opinion on code quality
Need bug analysis
Code review before commit
Performance optimization suggestions

How to Invoke

The user will ask something like:

"ask codex what it thinks about this code"
"get codex's opinion on this implementation"
"fais reviewer ce fichier par codex"

Execution

For file review (non-interactive)

codex exec "Review <file_path> and provide 3 specific improvements for production"

For bug analysis

codex exec "Analyze <file_path> for potential bugs and edge cases"

For dedicated code review

codex review

Note: codex review opens an interactive review session - use codex exec for non-interactive feedback.

Output Format

Present Codex's response clearly to the user. If Codex suggests improvements, summarize them as actionable items.

Examples

File review

User: "demande à codex de reviewer le benchmark"

codex exec "Review scripts/benchmark-semantic-router.py for improvements and potential issues"

Bug analysis

User: "ask codex to find bugs in this file"

codex exec "Analyze scripts/semantic-skill-router.py for potential bugs, edge cases, and error handling gaps"

Troubleshooting

Error	Cause	Fix
`codex: command not found`	CLI not installed	`npm install -g @openai/codex`
`Not authenticated`	Not logged in	Run `codex login`
`Model not available`	Account tier issue	Check ChatGPT subscription
Response timeout	Large codebase	Use specific file path, not whole repo

Notes

Default model: GPT-5.1 Codex Max
Supports reasoning levels
codex exec for non-interactive (scripted) use
codex review for interactive review session
Timeout: allow up to 60s for response

Skill Chaining

Input Expected

File path to review, OR
Bug analysis request from user

Output Produced

Format: Markdown feedback from Codex
Side effects: None (read-only)

Compatible Skills

Can be used alongside julien-workflow-advice-gemini for multiple AI opinions
Use after writing code, before commit

Tools Used

Bash (usage: run codex CLI command, timeout 60s)

---name: julien-workflow-advice-codexdescription: Get OpenAI Codex CLI's opinion on code, bugs, or implementation. Use when you want a second AI perspective during coding sessions.--- # Ask Codex Get feedback from OpenAI's Codex CLI on code, bugs, or implementation approaches. ## Prerequisites - Codex CLI installed: `npm install -g @openai/codex` - Authenticated: `codex login` or sign in with ChatGPT account - Verify: `codex --version` ## When to Use - Want a second opinion on code quality - Need bug analysis - Code review before commit - Performance optimization suggestions ## How to Invoke The user will ask something like: - "ask codex what it thinks about this code" - "get codex's opinion on this implementation" - "fais reviewer ce fichier par codex" ## Execution ### For file review (non-interactive) ```bash codex exec "Review <file_path> and provide 3 specific improvements for production" ``` ### For bug analysis ```bash codex exec "Analyze <file_path> for potential bugs and edge cases" ``` ### For dedicated code review ```bash codex review ``` Note: `codex review` opens an interactive review session - use `codex exec` for non-interactive feedback. ## Output Format Present Codex's response clearly to the user. If Codex suggests improvements, summarize them as actionable items. ## Examples ### File review **User**: "demande à codex de reviewer le benchmark" ```bash codex exec "Review scripts/benchmark-semantic-router.py for improvements and potential issues" ``` ### Bug analysis **User**: "ask codex to find bugs in this file" ```bash codex exec "Analyze scripts/semantic-skill-router.py for potential bugs, edge cases, and error handling gaps" ``` ## Troubleshooting | Error | Cause | Fix | |-------|-------|-----| | `codex: command not found` | CLI not installed | `npm install -g @openai/codex` | | `Not authenticated` | Not logged in | Run `codex login` | | `Model not available` | Account tier issue | Check ChatGPT subscription | | Response timeout | Large codebase | Use specific file path, not whole repo | ## Notes - Default model: GPT-5.1 Codex Max - Supports reasoning levels - `codex exec` for non-interactive (scripted) use - `codex review` for interactive review session - Timeout: allow up to 60s for response ## Skill Chaining ### Input Expected - File path to review, OR - Bug analysis request from user ### Output Produced - **Format**: Markdown feedback from Codex - **Side effects**: None (read-only) ### Compatible Skills - Can be used alongside `julien-workflow-advice-gemini` for multiple AI opinions - Use after writing code, before commit ### Tools Used - `Bash` (usage: run codex CLI command, timeout 60s)

Frequently asked questions

Julien Workflow Advice Codex