Claude Security
Anthropic's scanner for your code: scan a repo, scan a diff, get verified patches.
Official Anthropicby AnthropicChecked October 18, 2026
An official Anthropic plugin that performs deep vulnerability scans entirely inside Claude Code. It can scan a whole repository, scan only your branch or pull request, and turn findings into patch files checked by a panel of agents.
Who it is for
- Developers
- Security teams
- Startups without a security engineer
Prompts to try
Once the skill is installed, ask for the result in plain words. Claude picks the skill up on its own.
Scan this repo with Claude SecurityScan my branch's changes before I open the PRSuggest patches for the Claude Security findingsHow to install it
In Claude Code
/plugin install claude-security@claude-plugins-official
In Claude.ai
Not practical in Claude.ai because it scans a local repository with subagents, so use Claude Code.
Good to know
You decide when to apply each suggested patch.
Unlock the install steps
Free. Leave your email once to open the install steps for all 149 skills, and get the best new skills each month.
How we checked it
Confirmed SKILL.md at plugins/claude-security/skills/claude-security/SKILL.md in anthropics/claude-plugins-official via the GitHub API; skill folder last changed 2026-09-25, repo has 41,644 stars and was pushed 2026-10-17; maintained by Anthropic inside its official plugin marketplace repo.