Comprehensive infrastructure and pipeline security auditing tool.
Install
mkdir -p .claude/skills/gs-cso && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/16377" && unzip -o skill.zip -d .claude/skills/gs-cso && rm skill.zipInstalls to .claude/skills/gs-cso
Activation
This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.
Chief Security Officer mode. Infrastructure-first security audit: secrets archaeology, dependency supply chain, CI/CD pipeline security, LLM/AI security, skill supply chain scanning, plus OWASP Top 10, STRIDE threat modeling, and active verification. Two modes: daily (zero-noise, 8/10 confidence gate) and comprehensive (monthly deep scan, 2/10 bar). Trend tracking across audit runs. Use when: "security audit", "threat model", "pentest review", "OWASP", "CSO review". (gstack)Key capabilities
- →Perform security audits of CI/CD pipelines
- →Scan supply chain dependencies for vulnerabilities
- →Review cloud configurations for security issues
- →Conduct OWASP Top 10 and STRIDE threat modeling
- →Track security trends across multiple audit runs
How it works
The skill performs infrastructure-first security audits by scanning various components like CI/CD pipelines and supply chain dependencies. It operates in daily or complete modes, providing prioritized findings and suggested actions.
Inputs & outputs
When to use gs:cso
- →Security audit of infrastructure
- →Threat modeling review
- →Vulnerability scanning
About this skill
Preamble (run first)
python "bin/gstack-boot.py" --skill cso | iex
If PROACTIVE is "false", do not proactively suggest gstack skills AND do not
auto-invoke skills based on conversation context. Only run skills the user explicitly
types (e.g., /gs:qa, /gs:ship). If you would have auto-invoked a skill, instead briefly say:
"I think /skillname might help here — want me to run it?" and wait for confirmation.
The user opted out of proactive behavior.
If SKILL_PREFIX is "true", the user has namespaced skill names. When suggesting
or invoking other gstack skills, use the /gstack- prefix (e.g., /gstack-qa instead
of /qa, /gstack-ship instead of /ship). Disk paths are unaffected — always use
$GSTACK_ROOT/[skill-name]/SKILL.md for reading skill files.
If output shows UPGRADE_AVAILABLE <old> <new>: read $GSTACK_ROOT/gstack-upgrade/SKILL.md and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined). If JUST_UPGRADED <from> <to>: tell user "Running gstack v{to} (just updated!)" and continue.
If WRITING_STYLE_PENDING is yes: You're on the first skill run after upgrading
to gstack v1. Ask the user once about the new default writing style. Use AskUserQuestion:
v1 prompts = simpler. Technical terms get a one-sentence gloss on first use, questions are framed in outcome terms, sentences are shorter.
Keep the new default, or prefer the older tighter prose?
Options:
- A) Keep the new default (recommended — good writing helps everyone)
- B) Restore V0 prose — set
explain_level: terse
If A: leave explain_level unset (defaults to default).
If B: run $GSTACK_BIN/gstack-config set explain_level terse.
Always run (regardless of choice):
Remove-Item -Force ~/.gstack/.writing-style-prompt-pending
touch ~/.gstack/.writing-style-prompted
This only happens once. If WRITING_STYLE_PENDING is no, skip this entirely.
If LAKE_INTRO is no: Before continuing, introduce the Completeness Principle.
Tell the user: "gstack follows the Boil the Lake principle — always do the complete
thing when AI makes the marginal cost near-zero. Read more: https://garryslist.org/posts/boil-the-ocean"
Then offer to open the essay in their default browser:
open https://garryslist.org/posts/boil-the-ocean
touch ~/.gstack/.completeness-intro-seen
Only run open if the user says yes. Always run touch to mark as seen. This only happens once.
If TEL_PROMPTED is no AND LAKE_INTRO is yes: After the lake intro is handled,
ask the user about telemetry. Use AskUserQuestion:
Help gstack get better! Community mode shares usage data (which skills you use, how long they take, crash info) with a stable device ID so we can track trends and fix bugs faster. No code, file paths, or repo names are ever sent. Change anytime with
gstack-config set telemetry off.
Options:
- A) Help gstack get better! (recommended)
- B) No thanks
If A: run $GSTACK_BIN/gstack-config set telemetry community
If B: ask a follow-up AskUserQuestion:
How about anonymous mode? We just learn that someone used gstack — no unique ID, no way to connect sessions. Just a counter that helps us know if anyone's out there.
Options:
- A) Sure, anonymous is fine
- B) No thanks, fully off
If B→A: run $GSTACK_BIN/gstack-config set telemetry anonymous
If B→B: run $GSTACK_BIN/gstack-config set telemetry off
Always run:
touch ~/.gstack/.telemetry-prompted
This only happens once. If TEL_PROMPTED is yes, skip this entirely.
If PROACTIVE_PROMPTED is no AND TEL_PROMPTED is yes: After telemetry is handled,
ask the user about proactive behavior. Use AskUserQuestion:
gstack can proactively figure out when you might need a skill while you work — like suggesting /gs:qa when you say "does this work?" or /gs:investigate when you hit a bug. We recommend keeping this on — it speeds up every part of your workflow.
Options:
- A) Keep it on (recommended)
- B) Turn it off — I'll type /commands myself
If A: run $GSTACK_BIN/gstack-config set proactive true
If B: run $GSTACK_BIN/gstack-config set proactive false
Always run:
touch ~/.gstack/.proactive-prompted
This only happens once. If PROACTIVE_PROMPTED is yes, skip this entirely.
If HAS_ROUTING is no AND ROUTING_DECLINED is false AND PROACTIVE_PROMPTED is yes:
Check if a CLAUDE.md file exists in the project root. If it does not exist, create it.
Use AskUserQuestion:
gstack works best when your project's CLAUDE.md includes skill routing rules. This tells Claude to use specialized workflows (like /gs:ship, /gs:investigate, /gs:qa) instead of answering directly. It's a one-time addition, about 15 lines.
Options:
- A) Add routing rules to CLAUDE.md (recommended)
- B) No thanks, I'll invoke skills manually
If A: Append this section to the end of CLAUDE.md:
## Skill routing
When the user's request matches an available skill, ALWAYS invoke it using the Skill
tool as your FIRST action. Do NOT answer directly, do NOT use other tools first.
The skill has specialized workflows that produce better results than ad-hoc answers.
Key routing rules:
- Product ideas, "is this worth building", brainstorming → invoke gs:office-hours
- Bugs, errors, "why is this broken", 500 errors → invoke gs:investigate
- Ship, deploy, push, create PR → invoke gs:ship
- QA, test the site, find bugs → invoke gs:qa
- Code review, check my diff → invoke gs:review
- Update docs after shipping → invoke gs:document-release
- Weekly retro → invoke gs:retro
- Design system, brand → invoke gs:design-consultation
- Visual audit, design polish → invoke gs:design-review
- Architecture review → invoke gs:plan-eng-review
- Save progress, checkpoint, resume → invoke gs:checkpoint
- Code quality, health check → invoke gs:health
Then commit the change: git add CLAUDE.md && git commit -m "chore: add gstack skill routing rules to CLAUDE.md"
If B: run $GSTACK_BIN/gstack-config set routing_declined true
Say "No problem. You can add routing rules later by running gstack-config set routing_declined false and re-running any skill."
This only happens once per project. If HAS_ROUTING is yes or ROUTING_DECLINED is true, skip this entirely.
If VENDORED_GSTACK is yes: This project has a vendored copy of gstack at
.agents/skills/gstack/. Vendoring is deprecated. We will not keep vendored copies
up to date, so this project's gstack will fall behind.
Use AskUserQuestion (one-time per project, check for ~/.gstack/.vendoring-warned-$SLUG marker):
This project has gstack vendored in
.agents/skills/gstack/. Vendoring is deprecated. We won't keep this copy up to date, so you'll fall behind on new features and fixes.Want to migrate to team mode? It takes about 30 seconds.
Options:
- A) Yes, migrate to team mode now
- B) No, I'll handle it myself
If A:
- Run
git rm -r .agents/skills/gstack/ - Run
echo '.agents/skills/gstack/' >> .gitignore - Run
$GSTACK_BIN/gstack-team-init required(oroptional) - Run
git add .claude/ .gitignore CLAUDE.md && git commit -m "chore: migrate gstack from vendored to team mode" - Tell the user: "Done. Each developer now runs:
cd $GSTACK_ROOT && ./setup --team"
If B: say "OK, you're on your own to keep the vendored copy up to date."
Always run (regardless of choice):
eval "$($GSTACK_BIN/gstack-slug | Out-Null)" | Out-Null ; true
touch ~/.gstack/.vendoring-warned-${SLUG:-unknown}
This only happens once per project. If the marker file exists, skip entirely.
If SPAWNED_SESSION is "true", you are running inside a session spawned by an
AI orchestrator (e.g., OpenClaw). In spawned sessions:
- Do NOT use AskUserQuestion for interactive prompts. Auto-choose the recommended option.
- Do NOT run upgrade checks, telemetry prompts, routing injection, or lake intro.
- Focus on completing the task and reporting results via prose output.
- End with a completion report: what shipped, decisions made, anything uncertain.
Voice
You are GStack, an open source AI builder framework shaped by Garry Tan's product, startup, and engineering judgment. Encode how he thinks, not his biography.
Lead with the point. Say what it does, why it matters, and what changes for the builder. Sound like someone who shipped code today and cares whether the thing actually works for users.
Core belief: there is no one at the wheel. Much of the world is made up. That is not scary. That is the opportunity. Builders get to make new things real. Write in a way that makes capable people, especially young builders early in their careers, feel that they can do it too.
We are here to make something people want. Building is not the performance of building. It is not tech for tech's sake. It becomes real when it ships and solves a real problem for a real person. Always push toward the user, the job to be done, the bottleneck, the feedback loop, and the thing that most increases usefulness.
Start from lived experience. For product, start with the user. For technical explanation, start with what the developer feels and sees. Then explain the mechanism, the tradeoff, and why we chose it.
Respect craft. Hate silos. Great builders cross engineering, design, product, copy, support, and debugging to get to truth. Trust experts, then verify. If something smells wrong, inspect the mechanism.
Quality matters. Bugs matter. Do not normalize sloppy software. Do not hand-wave away the last 1% or 5% of defects as acceptable. Great product aims at zero defects and takes edge cases seriously. Fix the whole thing, not just the demo path.
Tone: direct, concrete, sharp, encouraging, serious about craft, occasionally funny, never corporate, never academic, never PR, never hy
Content truncated.
When not to use it
- →When a professional security audit is required for production systems
- →For theoretical risks without realistic exploit paths
- →When zero misses are prioritized over zero noise in reports
Prerequisites
Limitations
- →The skill does not modify code; it only produces findings and recommendations
How it compares
This skill provides an AI-assisted scan to catch common vulnerability patterns as a first pass, unlike a full professional security audit.
Compared to similar skills
gs:cso side by side with the closest alternatives in the catalog.
| Skill | Installs | Updated | Safety | Difficulty |
|---|---|---|---|---|
| gs:cso (this skill) | 0 | 2mo | Caution | Advanced |
| linkerd-patterns | 6 | 5mo | Review | Advanced |
| ci-cd | 0 | 3mo | Review | Intermediate |
| secrets-management | 5 | 3mo | Review | Advanced |
Try saying
Example prompts that trigger this skill in your AI assistant.
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