CLAUDE PLUGIN

Security Guidance

Anthropic · Claude Code

Follow up to 10 plugins for free across Codex and Claude.

What this plugin does

Security review for Claude-generated code. Pattern-based warnings on edits, LLM-powered diff review on Stop, and an agentic commit reviewer that catches injection, XSS, SSRF, hardcoded secrets, and 25+ other vulnerability classes.

Open in Claude Marketplace ↗ Source repository ↗ Publisher website ↗

Catalog observations

Sources: Claude Marketplace · Official · Knowledge Work
Works with: Claude Code
Category: Security
Reported installs: 241,800
First observed: 2026-10-03 21:29 UTC
Last observed: 2026-10-15 12:00 UTC
Source badge: Anthropic verified, as displayed by Claude Marketplace.

Installation counts are reported by Claude Marketplace, not independently verified active users. Observation dates are not release dates. Pricing and account requirements must be checked with the publisher.

Install in Claude Code

Choose a source and review what the plugin adds before installing.

Official

/plugin install security-guidance@claude-plugins-official

Knowledge Work

/plugin marketplace add anthropics/knowledge-work-plugins
/plugin install security-guidance@knowledge-work-plugins

Claude Code installation documentation

Source evidence

Listing and manifest JSON

Descriptions and compatibility labels come from the linked sources. Where both sources match, the GitHub description is used because web summaries may be shortened. We have not independently tested the declared capabilities.