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claude-skills-reference/docs/skills/engineering/index.md
Reza Rezvani 1f374e7492 feat: add 4 community skills — llm-cost-optimizer, prompt-governance, business-investment-advisor, video-content-strategist 
Based on PR #448 by chad848. Enhanced with frontmatter normalization,
anti-patterns sections, ghost script reference removal, and broken
cross-reference fixes. Automotive-electrical-engineer excluded (out of
scope for software/AI skills library).

llm-cost-optimizer (engineering/, 192 lines):
- Reduce LLM API spend 40-80% via model routing, caching, compression
- 3 modes: Cost Audit, Optimize, Design Cost-Efficient Architecture

prompt-governance (engineering/, 224 lines):
- Production prompt lifecycle: versioning, eval pipelines, A/B testing
- Distinct from senior-prompt-engineer (writing) — this is ops/governance

business-investment-advisor (finance/, 220 lines):
- Capital allocation: ROI, NPV, IRR, payback, build-vs-buy, lease-vs-buy
- NOT securities advice — business capex decisions only

video-content-strategist (marketing-skill/, 218 lines):
- YouTube strategy, video scripting, short-form pipelines, content atomization
- Fills video gap in 44-skill marketing pod

Co-Authored-By: chad848 <chad848@users.noreply.github.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 11:43:03 +02:00

255 lines
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---
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>
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