---
title: "Engineering - POWERFUL Skills — Agent Skills & Codex Plugins"
description: "51 engineering - powerful skills — advanced agent-native skill and Claude Code plugin for AI agent design, infrastructure, and automation. Works with Claude Code, Codex CLI, Gemini CLI, and OpenClaw."
---

<div class="domain-header" markdown>

# :material-rocket-launch: Engineering - POWERFUL

<p class="domain-count">51 skills in this domain</p>

</div>

<div class="install-banner" markdown>
<span class="install-label">Install all:</span> <code>claude /plugin install engineering-advanced-skills</code>
</div>

<div class="grid cards" markdown>

-   **[Agent Designer - Multi-Agent System Architecture](agent-designer.md)**

    ---

    Tier: POWERFUL

-   **[Agent Workflow Designer](agent-workflow-designer.md)**

    ---

    Tier: POWERFUL

-   **[AgentHub — Multi-Agent Collaboration](agenthub.md)** + 7 sub-skills

    ---

    Spawn N parallel AI agents that compete on the same task. Each agent works in an isolated git worktree. The coordinat...

-   **[API Design Reviewer](api-design-reviewer.md)**

    ---

    Tier: POWERFUL

-   **[API Test Suite Builder](api-test-suite-builder.md)**

    ---

    Tier: POWERFUL

-   **[Autoresearch Agent](autoresearch-agent.md)** + 5 sub-skills

    ---

    > You sleep. The agent experiments. You wake up to results.

-   **[Browser Automation - POWERFUL](browser-automation.md)**

    ---

    The Browser Automation skill provides comprehensive tools and knowledge for building production-grade web automation ...

-   **[Changelog Generator](changelog-generator.md)**

    ---

    Tier: POWERFUL

-   **[CI/CD Pipeline Builder](ci-cd-pipeline-builder.md)**

    ---

    Tier: POWERFUL

-   **[Codebase Onboarding](codebase-onboarding.md)**

    ---

    Tier: POWERFUL

-   **[Database Designer - POWERFUL Tier Skill](database-designer.md)**

    ---

    A comprehensive database design skill that provides expert-level analysis, optimization, and migration capabilities f...

-   **[Database Schema Designer](database-schema-designer.md)**

    ---

    Tier: POWERFUL

-   **[Dependency Auditor](dependency-auditor.md)**

    ---

    > Skill Type: POWERFUL

-   **[Docker Development](docker-development.md)**

    ---

    > Smaller images. Faster builds. Secure containers. No guesswork.

-   **[Engineering Advanced Skills (POWERFUL Tier)](engineering.md)**

    ---

    25 advanced engineering skills for complex architecture, automation, and platform operations.

-   **[Env & Secrets Manager](env-secrets-manager.md)**

    ---

    Tier: POWERFUL

-   **[Focused Fix — Deep-Dive Feature Repair](focused-fix.md)**

    ---

    Activate when the user asks to fix, debug, or make a specific feature/module/area work. Key triggers:

-   **[Git Worktree Manager](git-worktree-manager.md)**

    ---

    Tier: POWERFUL

-   **[Helm Chart Builder](helm-chart-builder.md)**

    ---

    > Production-grade Helm charts. Sensible defaults. Secure by design. No cargo-culting.

-   **[Interview System Designer](interview-system-designer.md)**

    ---

    Comprehensive interview loop planning and calibration support for role-based hiring systems.

-   **[LLM Cost Optimizer](llm-cost-optimizer.md)**

    ---

    > Originally contributed by chad848(https://github.com/chad848) — enhanced and integrated by the claude-skills team.

-   **[MCP Server Builder](mcp-server-builder.md)**

    ---

    Tier: POWERFUL

-   **[Migration Architect](migration-architect.md)**

    ---

    Tier: POWERFUL

-   **[Monorepo Navigator](monorepo-navigator.md)**

    ---

    Tier: POWERFUL

-   **[Observability Designer (POWERFUL)](observability-designer.md)**

    ---

    Category: Engineering

-   **[Performance Profiler](performance-profiler.md)**

    ---

    Tier: POWERFUL

-   **[PR Review Expert](pr-review-expert.md)**

    ---

    Tier: POWERFUL

-   **[Prompt Governance](prompt-governance.md)**

    ---

    > Originally contributed by chad848(https://github.com/chad848) — enhanced and integrated by the claude-skills team.

-   **[RAG Architect - POWERFUL](rag-architect.md)**

    ---

    The RAG (Retrieval-Augmented Generation) Architect skill provides comprehensive tools and knowledge for designing, im...

-   **[Release Manager](release-manager.md)**

    ---

    Tier: POWERFUL

-   **[Runbook Generator](runbook-generator.md)**

    ---

    Tier: POWERFUL

-   **[Secrets Vault Manager](secrets-vault-manager.md)**

    ---

    Tier: POWERFUL

-   **[Self-Eval: Honest Work Evaluation](self-eval.md)**

    ---

    ultrathink

-   **[Skill Security Auditor](skill-security-auditor.md)**

    ---

    Scan and audit AI agent skills for security risks before installation. Produces a

-   **[Skill Tester](skill-tester.md)**

    ---

    ---

-   **[Spec-Driven Workflow — POWERFUL](spec-driven-workflow.md)**

    ---

    Spec-driven workflow enforces a single, non-negotiable rule: write the specification BEFORE you write any code. Not a...

-   **[SQL Database Assistant - POWERFUL Tier Skill](sql-database-assistant.md)**

    ---

    The operational companion to database design. While database-designer focuses on schema architecture and database-sch...

-   **[Tech Debt Tracker](tech-debt-tracker.md)**

    ---

    Tier: POWERFUL 🔥

-   **[Terraform Patterns](terraform-patterns.md)**

    ---

    > Predictable infrastructure. Secure state. Modules that compose. No drift.

</div>
