40 advanced engineering skills: agent designer, agent workflow designer, AgentHub, RAG architect, database designer, focused-fix, browser-automation, spec-driven-workflow, secrets-vault-manager, sql-database-assistant, migration architect, observability designer, dependency auditor, release manager, API reviewer, CI/CD pipeline builder, MCP server builder, skill security auditor, performance profiler, Helm chart builder, Terraform patterns, self-eval, llm-cost-optimizer, prompt-governance, behuman, code-tour, demo-video, data-quality-auditor, statistical-analyst, llm-wiki (second brain for Obsidian + Claude Code, Karpathy pattern), feature-flags-architect (flag debt scanner, rollout planner, kill-switch audit), kubernetes-operator (CRD validator, reconcile linter, capability auditor), chaos-engineering (experiment designer, blast-radius calculator, postmortem generator), ship-gate (pre-production 8-category audit with deploy-intent intercept), slo-architect (SLO designer, error-budget calculator with multi-window burn-rate alerts, SLO reviewer per Google SRE Workbook), and more.