Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/alirezarezvani/claude-code-skill-factory/codex-cli-bridgenpx skills add alirezarezvani/claude-code-skill-factory --skill codex-cli-bridgegit clone --depth 1 https://github.com/alirezarezvani/claude-code-skill-factoryWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00041 | $0.02303 |
| Opus 5 | $0.00020 | $0.01151 |
| Sonnet 5 | $0.00008 | $0.00461 |
| Haiku 4.5 | $0.00004 | $0.00230 |
Grade A, and why
codex-cli-bridge scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 349 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Codex CLI Bridge Skill
Purpose
This skill creates a comprehensive bridge between Claude Code and OpenAI's Codex CLI, enabling seamless interoperability through:
- Documentation Translation: Converts CLAUDE.md → AGENTS.md (reference-based, no file duplication)
- Execution Helpers: Python wrappers for Codex CLI commands (always uses
codex exec) - Skill Documentation: Makes Claude Skills accessible to Codex CLI users
Key Capabilities
1. CLAUDE.md → AGENTS.md Generation
- Parses CLAUDE.md and project structure
- Scans
.claude/skills/,.claude/agents/,documentation/folders - Generates comprehensive AGENTS.md with file path references
- Reference-based: No file duplication, only links to existing files
- Documents Skills with most relevant usage method (bash scripts vs prompt references)
2. Safety Mechanism
- Auto-checks Codex CLI installation (
codex --version) - Auto-runs
/initif CLAUDE.md missing (with user notification) - Validates authentication and environment
- User-friendly error messages
3. Codex CLI Execution Helpers
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 session- Always uses
codex exec(never plaincodex- critical for Claude Code)
4. Skill Documentation for Codex CLI
- Prompt-only skills: Show how to reference in Codex prompts
- Functional skills: Show how to execute Python scripts directly
- Complex skills: Show both methods
- Includes proper
codex execcommand syntax - Model selection guidance (gpt-5 vs gpt-5-codex)
Input Requirements
For AGENTS.md Generation
{
"action": "generate-agents-md",
"project_root": "/path/to/project",
"options": {
"validate_codex": true,
"auto_init": true,
"include_mcp": true,
"skill_detail_level": "relevant"
}
}
What ships with it
14 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- agents_md_generator.py 17 KB runs code
- bridge.py 7.5 KB runs code
- CHANGELOG.md 5.5 KB
- claude_parser.py 15 KB runs code
- codex_executor.py 13 KB runs code
- expected_output.json 4.7 KB
- HOW_TO_USE.md 10 KB
- INSTALL.md 10 KB
- package.sh 5.8 KB runs code
- project_analyzer.py 11 KB runs code
- README.md 9.5 KB
- safety_mechanism.py 12 KB runs code
- sample_input.json 1.5 KB
- skill_documenter.py 9.5 KB runs code
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 3d ago First seen · 349 lines · 41 tokens per session scan A 0ec7b025e57e
codex-cli-bridge is a skill published in the GitHub repository alirezarezvani/claude-code-skill-factory (855 stars, last pushed 9mo ago), licensed MIT. It adds 41 tokens to every session and 2,303 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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