GUIDES

AI Engineering Guides

59 deep technical guides on AI agents, Claude and LLMs, cloud and DevOps, web and mobile, data and voice — written from real production work.

Everything here comes from systems I run myself: 19+ years of engineering, 26 microservices in production, 200K+ lines of code.

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AI Agents & Frameworks· 15

AI Agent ArchitectureFrom single agents to multi-agent systems: tools, subagents, hooks, and production deployment. Claude Agent SDKThe 4-phase agentic loop, custom tools, MCP integration, structured outputs, and cost tracking. OpenAI Agents SDKAgent primitives, handoffs, guardrails, tracing, and multi-agent patterns in Python. Google Agent Development Kit (ADK)Code-first multi-agent systems in Python, TypeScript, Java, and Go, with A2A and MCP integration. Microsoft Agent FrameworkThe unification of Semantic Kernel and AutoGen: orchestration patterns, MCP and A2A interop. CrewAIMulti-agent orchestration in Python: roles, task pipelines, processes, memory, and Flows. LangGraphGraph-based stateful agents: StateGraph, checkpointing, human-in-the-loop, LangSmith tracing. Vercel AI SDKTypeScript-first agents: ToolLoopAgent, MCP clients, and streaming UI with useChat. Amazon Bedrock AgentCoreRuntime, Memory, Gateway, and Identity primitives for operating agents at scale on AWS. MCP ServersModel Context Protocol: architecture, transports, building custom servers, OAuth, deployment. A2A ProtocolAgent-to-agent interoperability: Agent Cards, task lifecycle, streaming, and MCP vs A2A. Agent Payments: AP2, Stripe MPP, x402Payment protocols for AI agents: mandates, signing intents, fraud handling, compliance. n8n Workflow AutomationAI agent nodes, MCP integration, self-hosting with Docker, and 400+ integrations. Stagehand + BrowserbaseProduction browser agents with act, extract, and observe; CDP architecture and anti-bot strategies. PuppeteerHeadless Chrome automation: scraping, E2E testing, PDFs, network interception, stealth.

OpenClaw Ecosystem· 10

OpenClaw Ecosystem: 9 Frameworks ComparedOpenClaw and its derivatives compared: features, security, benchmarks, decision guide. OpenClawDeploy a personal AI assistant on WhatsApp and Telegram: architecture, skills, voice, browser. NanobotUltra-lightweight Python reimplementation: 99% fewer lines, natural-language cron, 191MB RAM. ZeroClawPerformance-first Rust alternative: 3.4MB binary, under 5MB RAM, sub-10ms startup. PicoClawAI agent for embedded and IoT: 8MB binary, RISC-V/ARM64, 30+ LLM providers. NanoClawSecurity-first agent with Docker container isolation and a minimal codebase. NemoClawThe NVIDIA security wrapper that sandboxes OpenClaw: architecture, security model, trade-offs. OpenFangAgent operating system in Rust: agents as OS processes, WASM sandboxing, 40 channel adapters. IronClawSecurity-hardened Rust reimplementation: WASM sandbox, encrypted vaults, TEE support. PaperclipMulti-agent orchestration for zero-human companies: org charts, governance, operations.

Claude, LLMs & Inference· 6

Claude CodeThe complete guide: CLAUDE.md, skills, hooks, MCP, subagents, agent teams, cost optimization. Cursor IDETab, Cmd+K, Composer, Agent mode, context management, and comparisons with other AI IDEs. AI Inference: Models, Providers & PricesEvery major model, provider, and price compared, with an interactive model finder. OllamaLocal LLM serving: model management, GGUF quantization, GPU acceleration, production tuning. Fine-tuning LLMsLoRA, QLoRA, DPO, GRPO, frameworks, managed providers, and GPU requirements. RAG Pipelines & Vector DatabasesChunking, embeddings, vector stores, reranking, agentic and graph RAG, evaluation.

Cloud & DevOps· 11

AWSEC2, ECS, EKS, Lambda, Aurora, S3, CloudFront, VPC, IAM, and cost optimization. Google Cloud PlatformGKE, Cloud Run, Cloud Build, IAM, Cloud SQL, Pub/Sub, and cost management. CloudflareDNS, CDN, WAF, Workers, Pages, Workers AI, AI Gateway, Zero Trust, DDoS protection. Cloudflare Tunnel ProxySelf-hosted VLESS+WebSocket+TLS proxy with cloudflared and Xray, with a hardening runbook. DockerDockerfiles, multi-stage builds, Compose, image optimization, security scanning, BuildKit. KubernetesProduction orchestration: Deployments, Services, RBAC, autoscaling, Operators, debugging. Kubernetes & DevOpsThe full stack: Docker, GKE/EKS, Helm, Istio, CI/CD, SRE practices, observability. HelmCharts, values, Go templates, OCI repositories, hooks, umbrella charts, rollbacks. IstioService mesh: Envoy sidecars, traffic management, mTLS, tracing, ambient mesh. GitHub ActionsWorkflows, matrix builds, secrets, caching, reusable workflows, OIDC cloud auth. GitLab CI/CDPipelines at scale: stages, rules, Kaniko, review apps, SAST/DAST, runners.

Web, Mobile & Full-Stack· 11

Full-Stack Development with AIShip 2x faster: microservices, frontend, mobile, payments, and TDD with AI. Node.jsScalable microservices: event loop, Express, Fastify, NestJS, clustering, security, testing. TypeScriptType system internals, generics, mapped and conditional types, strict mode, monorepos. PythonFrom scripting to AI/ML: FastAPI, pandas, PyTorch, async, testing, packaging. ReactHooks, state management, Next.js SSR, testing, and performance optimization. AngularEnterprise frontend: standalone components, RxJS, signals, SSR, testing, migrations. Vue.js & NuxtComposition API, Pinia, Nuxt 3 SSR/SSG, component patterns, Vitest. Android with KotlinCoroutines, Jetpack Compose, Hilt, Room, Fastlane, white-label builds, Play Store. iOS with SwiftAsync/await, actors, SwiftUI, Fastlane, APNs, Core Data, XCTest, App Store. StripePayment Intents, Checkout, subscriptions, webhooks, Connect, Radar, PCI compliance. LighthouseCore Web Vitals, performance budgets, CI/CD integration, programmatic audits.

Data, Media & Voice· 5

MySQLSchema design, indexing, EXPLAIN, replication, partitioning, ORMs, window functions. RedisData structures, caching, Pub/Sub, rate limiting, BullMQ queues, cluster and sentinel. AI Video GenerationSora 2, Veo 3.1, Runway, Kling, plus open-source models and self-hosting. Voice Cloning & TTSElevenLabs, OpenAI TTS, Gemini TTS, open-source models, pricing, self-hosting. Xiaomi Scale API (Case Study)Reverse engineering a cloud API: from a 6GB Android emulator to a 5MB Python script.