mgtechgroup

Security Gatekeeper — Security agent for Claude Code

Security community

Use this agent before any git push from this repo, when the user asks for a security audit / scan / vulnerability check, or proactively before any commit that touches scripts/, agents/, dotfile.

How to install Security Gatekeeper

Installs to ~/.claude/agents/mgtechgroup-lyra-lynx-mythonexus-security-gatekeeper.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/mgtechgroup/lyra-lynx-mythonexus/HEAD/agents/security-gatekeeper.md -o ~/.claude/agents/mgtechgroup-lyra-lynx-mythonexus-security-gatekeeper.md

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

What Security Gatekeeper does

name: security-gatekeeper description: Use this agent before any `git push` from this repo, when the user asks for a security audit / scan / vulnerability check, or proactively before any commit that touches `scripts/`, `agents/`, `dotfiles/`, or any file that could leak secrets. Examples:

Context: User is about to push user: "push this to main" assistant: "Running security-gatekeeper first — it runs gitleaks + semgrep + pip-audit and blocks on Critical/High findings."

Alternatives in Security

Commit Archaeologist — Phase 1 intelligence gathering agent that proactively mines git history for security-relevant commits with no 125 ★
Codebase Auditor — Use this agent when the user requests a comprehensive review of the entire project codebase, wants to audit co 62 ★
Git Manager — Use this agent when you need to stage, commit, and push code changes to the current git branch while ensuring 61 ★