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 skills add JunMystery/Agent-Guidance-Python --skill codex-vscodegit clone --depth 1 https://github.com/JunMystery/Agent-Guidance-PythonWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/junmystery/agent-guidance-python/codex-vscode)<a href="https://agentmods.dev/skills/junmystery/agent-guidance-python/codex-vscode"><img src="https://agentmods.dev/badge/skills/junmystery/agent-guidance-python/codex-vscode.svg" alt="Measured on agentmods" height="20"></a>What 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 5.1 | $0.00060 | $0.00477 |
| Opus 5 | $0.00030 | $0.00238 |
| Sonnet 5 | $0.00012 | $0.00095 |
| Haiku 4.5 | $0.00006 | $0.00048 |
Grade A, and why
codex-vscode 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 6d 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.
What it actually says
Codex VS Code
Use this skill to make OpenAI Codex follow the repository standards when it runs from VS Code, Cursor, Windsurf, or another VS Code-compatible IDE.
What to Apply
- Prefer
AGENTS.mdas the Codex project instruction file. - Keep Codex instructions short and link to standards files instead of duplicating the whole framework.
- Put
AGENTS.mdat the project root so Codex can auto-discover it for the workspace. - For nested workspaces, check for closer
AGENTS.mdfiles before editing files in subdirectories. - Keep task-specific guidance on-demand through SKILL-REFERENCE.md and skills/.
- When installing this framework into another project, copy
AGENTS.mdtogether with the other root instruction files and rewrite links withscripts/setup.py.
VS Code Notes
- Treat Codex in VS Code as the same coding agent workflow as Codex CLI: it can inspect the repo, edit files, and run checks subject to approvals and sandbox settings.
- Do not use
.instructions.mdfor Codex-specific guidance; that file is for VS Code Copilot. - Use
AGENTS.mdfor shared Codex behavior andPROJECT-STANDARDS.mdfor project-local rules that all agents should honor. - If the user is configuring a VS Code fork, keep the guidance Codex-specific and avoid changing Cursor or Windsurf rules unless the request also affects those tools.
Reference Files
Output Expectation
State which instruction file Codex will load, what changed, and how to verify by asking Codex "What coding standards are you following?"
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.
- 6d ago First seen · 38 lines · 60 tokens per session scan A dd614d4bc1f0
codex-vscode is a skill published in the GitHub repository JunMystery/Agent-Guidance-Python (2 stars, last pushed 1mo ago), licensed MIT. It adds 60 tokens to every session and 477 once invoked, about $0.0003 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 2026-08-31.
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