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Bridge between Claude Code and OpenAI Codex CLI - generates AGENTS.md from CLAUDE.md, provides Codex CLI execution helpers, and enables seamless interoperability between both tools
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
Analyzes, generates, and enhances CLAUDE.md files for any project type using best practices, modular architecture support, and tech stack customization. Use when setting up new projects, improving existing CLAUDE.md files, or establishing AI-assisted development standards.
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| name | codex-cli-bridge |
| description | Bridge between Claude Code and OpenAI Codex CLI - generates AGENTS.md from CLAUDE.md, provides Codex CLI execution helpers, and enables seamless interoperability between both tools |
This skill creates a comprehensive bridge between Claude Code and OpenAI's Codex CLI, enabling seamless interoperability through:
codex exec).claude/skills/, .claude/agents/, documentation/ folderscodex --version)/init if CLAUDE.md missing (with user notification)exec_analysis() - Read-only analysis tasks (gpt-5, read-only sandbox)exec_edit() - Code editing tasks (gpt-5-codex, workspace-write)exec_with_search() - Web search-enabled tasksresume_session() - Continue last Codex sessioncodex exec (never plain codex - critical for Claude Code)codex exec command syntax{
"action": "generate-agents-md",
"project_root": "/path/to/project",
"options": {
"validate_codex": true,
"auto_init": true,
"include_mcp": true,
"skill_detail_level": "relevant"
}
}
{
"action": "codex-exec",
"task_type": "analysis|edit|search",
"prompt": "Your task description",
"model": "gpt-5|gpt-5-codex",
"sandbox": "read-only|workspace-write|danger-full-access"
}
# AGENTS.md
## Project Overview
[From CLAUDE.md]
## Available Skills
### Skill Name
**Location**: `path/to/skill/`
**Using from Codex CLI**: [Most relevant method]
## Workflow Patterns
[Slash commands → Codex equivalents]
## MCP Integration
[MCP server references]
## Command Reference
| Claude Code | Codex CLI |
|-------------|-----------|
[Mappings]
{
"status": "success|error",
"output": "Command output",
"session_id": "uuid",
"model_used": "gpt-5|gpt-5-codex",
"command": "codex exec ..."
}
codex execUser prompt:
Generate AGENTS.md for this project
What happens:
Output: Complete AGENTS.md file in project root
User prompt:
Use Codex to analyze this codebase for security vulnerabilities
What happens:
from codex_executor import CodexExecutor
executor = CodexExecutor()
result = executor.exec_analysis(
"Analyze this codebase for security vulnerabilities",
model="gpt-5"
)
Executes:
codex exec -m gpt-5 -s read-only \
-c model_reasoning_effort=high \
"Analyze this codebase for security vulnerabilities"
User prompt:
Use Codex to refactor main.py for better async patterns
What happens:
executor = CodexExecutor()
result = executor.exec_edit(
"Refactor main.py for better async patterns",
model="gpt-5-codex"
)
Executes:
codex exec -m gpt-5-codex -s workspace-write \
-c model_reasoning_effort=high \
"Refactor main.py for better async patterns"
User prompt:
Continue the previous Codex session
What happens:
executor = CodexExecutor()
result = executor.resume_session()
Executes:
codex exec resume --last
codex exec always (never plain codex in Claude Code)gpt-5: General reasoning, architecture, analysisgpt-5-codex: Code editing, specialized coding tasksread-only: Safe analysis (default)workspace-write: File modificationsdanger-full-access: Network access (rarely needed)--search flag)This skill integrates with existing Claude Code commands:
/init: Auto-generates AGENTS.md after CLAUDE.md creation/update-claude: Regenerates AGENTS.md when CLAUDE.md changes/check-docs: Validates AGENTS.md exists and is in sync/sync-agents-md: Manual AGENTS.md regeneration/codex-exec <task>: Wrapper using codex_executor.pyCodex CLI installed:
codex --version # Should show v0.48.0 or higher
Codex authenticated:
codex login
Claude Code v1.0+
Option 1: Copy to project
cp -r generated-skills/codex-cli-bridge ~/.claude/skills/
Option 2: Use from this repository
# Skill auto-discovered when Claude Code loads this project
Solution: Install Codex CLI and ensure it's in PATH
which codex # Should return path
codex --version # Should work
Solution: Skill auto-runs /init with notification. If it fails:
# Manually run /init
/init
Solution: Always use codex exec, never plain codex
❌ codex -m gpt-5 "task"
✅ codex exec -m gpt-5 "task"
Solution: Regenerate manually
/sync-agents-md
openai-codex-cli-instructions.mdclaude-skills-instructions.mdclaude-skills-examples/codex-cli-skill.mdv1.0.0 - Initial release (2025-10-30)
Apache 2.0
Created by: Claude Code Skills Factory Maintained for: Cross-tool team collaboration (Claude Code ↔ Codex CLI) Sync Status: Reference-based bridge (one-way sync: CLAUDE.md → AGENTS.md)