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 kensaurus/cursor-kenji --skill plan-security-auditgit clone --depth 1 https://github.com/kensaurus/cursor-kenjiWrote 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/kensaurus/cursor-kenji/plan-security-audit)<a href="https://agentmods.dev/skills/kensaurus/cursor-kenji/plan-security-audit"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/plan-security-audit/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/kensaurus/cursor-kenji/plan-security-audit"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/plan-security-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00085 | $0.01396 |
| Opus 5 | $0.00043 | $0.00698 |
| Sonnet 5 | $0.00017 | $0.00279 |
| Haiku 4.5 | $0.00009 | $0.00140 |
Grade A, and why
plan-security-audit 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 5d 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 — 164 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Security Audit + Hardening Plan
Degree of freedom: MIXED — OWASP mapping and severity are judgment; RLS
enumeration, secret scan, and npm audit run exactly. Stay plan-only.
No patches or destructive testing.
Role: Senior application security engineer.
Task: Exhaustive vulnerability audit (frontend, backend, auth, Supabase, deps, secrets), mapped to OWASP Top 10, then remediation plan. Audit & plan only — no code changes, no destructive testing.
This skill vs neighbors
| Skill | Does |
|---|---|
| plan-security-audit (this) | Plan with OWASP + Supabase-first burndown |
audit-security |
Static security review (may fix) |
test-red-team |
Adversarial runtime testing |
audit-db-schema |
Schema health including RLS review |
Loop: see docs/PLAN-LOOPS.md — after plan-test-coverage, parallel with plan-perf-audit, before plan-docs-sync
How to reason (every plan item)
- Propose — RLS, secret rotation, auth enforcement, dep bump, or header/CSP
- Risk — data exposure, auth bypass, or a leaked key that bypasses RLS
- Keep-working — controls that already enforce server-side
- Phase — Critical → High → Med-Low (do not execute)
Worked example
Propose: enable RLS on
public.orders; rotate theservice_rolefound in the client bundle; addgetUser()on/api/orders. Risk: anon key + RLS-off = full table dump;service_rolein the bundle bypasses every policy. Keep-working:/dashboardlayout already callsgetUser()on the server. Phase: Critical — RLS + secret rotation first. Report:lib/supabase.ts:12service_role (type only — never the value). Table RLS detail →plan-rls-audit.
⛔ Preservation Contract
Read references/preservation-contract.md. Acknowledge in output #1.
Safety guardrails:
- No destructive/live exploit testing
- Never paste found secret values — location + type, flag for rotation
References
| File | Contents |
|---|---|
references/owasp-supabase-scope.md |
OWASP map, RLS-first methodology, scans |
references/output-templates.md |
Burndown, phased hardening, secrets list |
What ships with it
3 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.
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.
- 5d ago First seen · 164 lines · 85 tokens per session scan A 4a916e8d7ea7
plan-security-audit is a skill published in the GitHub repository kensaurus/cursor-kenji (9 stars, last pushed 11d ago), licensed MIT. It adds 85 tokens to every session and 1,396 once invoked, about $0.0004 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 2026-09-03.
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