claude-security SKILL.md skillA

claude-security from anthropics/claude-plugins-official is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add anthropics/claude-plugins-official/claude-security@git:20260925.ca08d5e

Pins git:20260925.ca08d5e in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
anthropics/claude-plugins-official
Path
plugins/claude-security/skills/claude-security/SKILL.md
Versions recorded
4
Latest version
git:20260925.ca08d5e, committed Sep 25, 2026
First version recorded
Jul 22, 2026
Size
5,569 bytes
Repository stars
43,118
License
Apache-2.0

Claude Security: scan the codebase (the whole repository or a scoped part of it), scan changes (this branch's or a pull request's diff, or one commit), or suggest patches (findings turned into targeted patch files, each verified by a panel of agents, that you apply when you choose). Use when the user asks to scan, audit or check code with Claude Security, to scan their changes with Claude Security, or to fix or patch Claude Security findings.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Claude Security

- Session start time (UTC): !`date -u +%Y%m%d-%H%M%S`

## The front-desk menu

This is the front desk. Its whole purpose is to work out which job the user wants and drive it, following that job's recipe.

1. **If the user already asked for a specific job** — in the arguments (`$ARGUMENTS`) or in plain text ("scan this repo", "scan my branch", "fix the findings", a bare commit sha) — do that job directly and skip the menu. The recipe still asks its own single follow-up question wherever the request left one open.
2. **Otherwise, open with the menu.** Call AskUserQuestion once, single select, `header: "Job"`, `question: "What would you like to do?"`, offering exactly these three options (never invent others — the tool adds its own free-text entry). The menu is your first user-visible act; no text of any kind comes before it.

   Offer these three options:
   1. [Scan codebase](${CLAUDE_SKILL_DIR}/jobs/scan-codebase.md)
   2. [Scan changes](${CLAUDE_SKILL_DIR}/jobs/scan-changes.md)
   3. [Suggest patches](${CLAUDE_SKILL_DIR}/jobs/suggest-patches.md)
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add anthropics/claude-plugins-official/claude-security@sha256:58898a55aa8d0864

The line at the top of this page pins the label git:20260925.ca08d5e, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_vmlxd4xuy55ckbk4.svg)](https://markdownregistry.com/a/art_vmlxd4xuy55ckbk4)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 4 versions of this file, between Jul 22, 2026 and Sep 25, 2026, about one every 22 days.

versioncommittedcommitsizeaudit
git:20260925.ca08d5e latest2026-09-25 ca08d5e 5,569 BA view · diff
git:20260901.f85f7cf2026-09-01 f85f7cf 5,246 BA view · diff
git:20260817.8aa2f062026-08-17 8aa2f06 5,195 BA view · diff
git:20260722.4b3d2a22026-07-22 4b3d2a2 5,130 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (5569 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

anthropics/claude-plugins-official · 43,118 stars · license Apache-2.0 · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_vmlxd4xuy55ckbk4
GET https://markdownregistry.com/api/v1/resolve?ref=anthropics/claude-plugins-official/claude-security
GET https://markdownregistry.com/api/v1/blob/58898a55aa8d086460bc4cc9c87e75b6198bf3b7cd55fe1fa231c0d66016480f

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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