Openai Codex Security Threat Model

Q: What is a Claude Code skill and how does the Openai Codex Security Threat Model skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Openai Codex Security Threat Model is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: threat-hunting · Last updated: 2026-06-04

ai:openai

Use when Codex is already in the threat-modeling phase of a security scan, the user explicitly invokes $threat-model, or the user explicitly asks to create, update, or persist a repository threat model. Do not use as the primary trigger for full PR, commit, branch, patch, or repository scans.

About this skill (catalog notes)

Openai Codex Security Threat Model is published as a SKILL.md file in this catalog. The SKILL.md is on the shorter side at about 541 words.

Original author: phamlongh230-lgtm
Indexed lastmod: 2026-06-04
Catalog position: Security · threat-hunting
Indexed related skills: 10

How Openai Codex Security Threat Model fits the catalog

Openai Codex Security Threat Model sits in the Security category under the threat-hunting sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Openai Codex Security Threat Model is a community-contributed Claude Code skill in the threat-hunting sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/openai--codex-security--threat-model/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when Codex is already in the threat-modeling phase of a security scan, the user explicitly invokes $threat-model, or the user explicitly asks to create, update, or persist a repository threat model. Do not use as the primary trigger for full PR, commit, branch, patch, or repository scans.

Who uses this skill

The Openai Codex Security Threat Model Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 96,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/openai--codex-security--threat-model
curl -L https://claudskills.com/skills/openai--codex-security--threat-model/SKILL.md \
  -o ~/.claude/skills/openai--codex-security--threat-model/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/openai--codex-security--threat-model/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/openai--codex-security--threat-model/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\openai--codex-security--threat-model\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Openai Codex Security Threat Model Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/openai--codex-security--threat-model/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Openai Codex Security Threat Model skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Openai Codex Security Threat Model skill?

Use Openai Codex Security Threat Model when your Claude Code task falls under the Security category — specifically in the threat hunting area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Openai Codex Security Threat Model" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Openai Codex Security Threat Model skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Openai Codex Security Threat Model is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/phamlongh230-lgtm/yamtam-engine/blob/HEAD/core/skills/openai--codex-security--threat-model/SKILL.md
Author: phamlongh230-lgtm

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

phamlongh230-lgtm. (2026). Openai Codex Security Threat Model [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/openai--codex-security--threat-model/

BibTeX

@misc{openai--codex-security--threat-model-2026,
  author    = {phamlongh230-lgtm},
  title     = {Openai Codex Security Threat Model [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/openai--codex-security--threat-model/}
}

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