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ClaudSkills / Security / security-misc

Vendor Tiering

Category: Security  ·  Sub-category: security-misc  ·  Last updated:
type:review
Use this skill when a company needs to decide how much assessment each supplier deserves, or asks "tier our vendors", "which suppliers are critical", "we have 200 vendors and cannot assess them all", "build a third-party risk tiering", "rank suppliers by risk" or "which vendors need a security review this year". Builds the complete supplier population from finance, single sign-on and contracts, scores each supplier on data, access and dependency, assigns a tier by the highest axis, sets the assessment depth and cycle per tier, and writes a tiered list with the reason for every score.
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Use this once to set up supplier risk management, then whenever a supplier is onboarded or its use changes. You get three files in a new folder, ./vendor-tiering/: a spreadsheet you can open in Excel listing every supplier with its scores, tier and next review (vendor-tiers.csv), a one-page note on how the tiers are decided, short enough for an owner to apply alone (tiering-method.md), and the questions each business owner must answer to confirm their suppliers' scores (questions-for-owners.md). This skill drafts for a human to review and sign; this skill never marks a control effective. The…

What this skill does

Vendor Tiering is a community-contributed Claude Code skill in the security-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/vendor-tiering/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Vendor Tiering 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 213,000+ 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/vendor-tiering
curl -L https://claudskills.com/skills/vendor-tiering/SKILL.md \
  -o ~/.claude/skills/vendor-tiering/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/vendor-tiering/. Claude Code auto-discovers it on next session.

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

Telegram

📱 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 Vendor Tiering Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/vendor-tiering/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Vendor Tiering skill do?
Use this skill when a company needs to decide how much assessment each supplier deserves, or asks "tier our vendors", "which suppliers are critical", "we have 200 vendors and cannot assess them all", "build a third-party risk tiering", "rank suppliers by risk" or "which vendors need a security review this year". Builds the complete supplier population from finance, single sign-on and contracts, scores each supplier on data, access and dependency, assigns a tier by the highest axis, sets the assessment depth and cycle per tier, and writes a tiered list with the reason for every score.
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 Vendor Tiering skill?
Use Vendor Tiering when your Claude Code task falls under the Security category — specifically in the security misc 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 Vendor Tiering" or describe the task and let Claude pick). Browse related skills at /category/security/.
What is a Claude Code skill and how does the Vendor Tiering 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. Vendor Tiering 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

Cite this skill

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

APA
better-isms. (2026). Vendor Tiering [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/vendor-tiering/
BibTeX
@misc{vendor-tiering-2026,
  author    = {better-isms},
  title     = {Vendor Tiering [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/vendor-tiering/}
}

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Security scan

Grade A · scanned 2026-11-01 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/vendor-tiering/#security)

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More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills
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