--- name: database-mastery description: 'Production database mastery — MySQL/MariaDB, PostgreSQL, Redis, backup strategies, replication, and query optimization' version: 1.0.0 category: devops tags: [database, mysql, postgresql, redis, mariadb, sql,

Comprehensive mastery of AI agent architecture, patterns, and engineering. Covers MCP server design, agent spawning/delegation, ACP protocol, x402 payment, memory systems, prompt engineering for agent

### OpenClaw Component Architecture ``` ┌──────────────────────────────────────────────────────────────┐ │ OpenClaw Platform │ │ │ │ ┌──────────

```ini # /etc/php/8.2/fpm/pool.d/www.conf [www] user = www-data; group = www-data listen = /run/php/php8.2-fpm.sock; listen.mode = 0660; listen.backlog = 65535 pm = dynamic pm.max_children = 50; pm.start_servers = 5; pm.min_spare_servers = 3; pm.max_

Comprehensive Python mastery skill covering architecture, idiomatic code, design patterns, security, testing, performance, and deployment for production-grade Python applications.

Pitfalls, examples, and edge cases for Hermes Kanban workers. The lifecycle itself is auto-injected into every worker's system prompt as KANBAN_GUIDANCE (from agent/prompt_builder.py); this skill is w

Comprehensive Kubernetes mastery guide covering architecture, core objects, networking, security, Helm, Kustomize, debugging, monitoring, GitOps, and production best practices.

Networking and SSL/TLS mastery — DNS, reverse proxies, TLS termination, CDN tuning, firewall rules, and certificate management

Deploy OpenClaw (openclaw.ai) — the open-source AI agent platform with Docker gateway, ClawHub skills, browser automation, and multi-provider LLM support.

Production server hardening — SSH, fail2ban, UFW/iptables, auditd, kernel tuning, intrusion detection, and compliance

### Cache Strategy Decision Tree ``` Need caching? ─┬─ Read-heavy, static data ──→ Cache-Aside (lazy load) ├─ Write-heavy, must be fresh ──→ Write-Through (sync write) ├─ Batch writes acceptable ──→ Write-Behind (async

Webhook subscriptions: event-driven agent runs.