vendor-security-review

vendor-security-review is a skill for Codex from ClarentCinematics/Codex-Skills-for-Enterprise. It costs 70 tokens per session (490 once invoked), scanned A, original, MIT.

A method for reviewing vendor security materials such as questionnaires, SOC 2 summaries, data-processing agreements, and subprocessor lists. It separates supplied evidence from claims, assumptions, missing answers, and review questions.

In plain words
What is it for?
Use it to prepare follow-up questions and risk summaries for security, privacy, legal, procurement, or business reviewers.
Why use it?
It shows where a vendor review lacks coverage or reliable evidence without approving the vendor or making a security certification.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: mentions Codex.

Good fit Use it to prepare follow-up questions and risk summaries for security, privacy, legal, procurement, or business reviewers.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/clarentcinematics/codex-skills-for-enterprise/vendor-security-review
Install

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.

Any agent
npx skills add ClarentCinematics/Codex-Skills-for-Enterprise --skill vendor-security-review
Clone the repo
git clone --depth 1 https://github.com/ClarentCinematics/Codex-Skills-for-Enterprise

Made for: Codex.

Wrote 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.

agentmods badge for vendor-security-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/clarentcinematics/codex-skills-for-enterprise/vendor-security-review/github.svg)](https://agentmods.dev/skills/clarentcinematics/codex-skills-for-enterprise/vendor-security-review)
Your own site
<a href="https://agentmods.dev/skills/clarentcinematics/codex-skills-for-enterprise/vendor-security-review"><img src="https://agentmods.dev/badge/skills/clarentcinematics/codex-skills-for-enterprise/vendor-security-review/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.

agentmods 80×15 button for vendor-security-review

Your own site · 80×15
<a href="https://agentmods.dev/skills/clarentcinematics/codex-skills-for-enterprise/vendor-security-review"><img src="https://agentmods.dev/badge/skills/clarentcinematics/codex-skills-for-enterprise/vendor-security-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 70 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 490 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00070 $0.00490
Opus 5 $0.00035 $0.00245
Sonnet 5 $0.00014 $0.00098
Haiku 4.5 $0.00007 $0.00049

Measured 12d ago against content hash e6aee67b1ff5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

vendor-security-review 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 12d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/check_vendor_security_answers.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/vendor-security-review/SKILL.md · 42 lines

What it actually says

Vendor Security Review

Workflow

  1. Identify vendor, product, data involved, intended use, review stage, and source documents.
  2. Check coverage for security, privacy, data handling, access control, auditability, and contractual evidence.
  3. Separate supplied evidence from vendor claims, assumptions, missing answers, and review questions.
  4. Flag gaps, weak answers, risks, and required human review.
  5. Produce a concise review packet for security, legal, procurement, or business owners.

Script-Assisted Workflow

When given a questionnaire or answer draft, run scripts/check_vendor_security_answers.py --input <path> first. Use --json for structured coverage output. The helper detects missing topic coverage and weak answers; it does not approve vendors or provide legal/security certification.

Output Standard

Use this structure by default:

  • Review Summary: vendor, product, intended use, data sensitivity, and readiness.
  • Coverage Check: SOC2, DPA, subprocessors, retention, breach notification, encryption, SSO, and audit logs.
  • Evidence Gaps: missing or weak answers with source excerpts.
  • Risk Questions: security, privacy, legal, procurement, and business-owner follow-ups.
  • Recommended Next Steps: review actions and owners when stated.
  • Human Review Required: approvals, exceptions, legal terms, or risk acceptance.
  • Caveats: non-inferred approvals and source limitations.

Rules

  • Do not approve vendors, accept risk, provide legal advice, or certify compliance.
  • Do not invent SOC2 status, DPA terms, subprocessors, encryption controls, SSO support, or breach-notification terms.
  • Mark missing answers as missing, not failed, unless the source explicitly says a control is absent.
  • Treat customer, employee, health, financial, or regulated data as requiring human review.

References

Read references/vendor-security-rubric.md when preparing security, privacy, procurement, or legal follow-up questions.

Files

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.

Changes

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.

  1. 12d ago First seen · 42 lines · 70 tokens per session scan A e6aee67b1ff5

Subscribe to this mod's changes

vendor-security-review is a skill published in the GitHub repository ClarentCinematics/Codex-Skills-for-Enterprise (2 stars, last pushed 2mo ago), licensed MIT. It adds 70 tokens to every session and 490 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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