TheDecipherist

Mdd Security Rules — Security skill for Claude Code

Security community

SECURITY RULES MODE — /mdd security-rules.

How to install Mdd Security Rules

Installs to ~/.claude/skills/thedecipherist-mdd-mdd-security-rules/SKILL.md

Terminal

mkdir -p ~/.claude/skills/thedecipherist-mdd-mdd-security-rules && curl -fsSL https://raw.githubusercontent.com/TheDecipherist/mdd/HEAD/commands/mdd-security-rules.md -o ~/.claude/skills/thedecipherist-mdd-mdd-security-rules/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Mdd Security Rules does

SECURITY RULES MODE — `/mdd security-rules`

Triggered when arguments start with `security-rules`. Also triggered automatically by AUDIT MODE when `$MDD_SECURITY_SCAN` is `true` (set via `securityScan: true` in `.mdd/settings.json`).

This mode scans the project's declared stack for known vulnerabilities using free, locally-available tools, then compares each finding against existing MDD stack rule files. Any vulnerability pattern not already covered by an existing rule becomes a new rule, ap

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