AI-generated research on QA, development, cloud, and more.
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AI What the Superpowers plugin for Claude Code actually is: 14 Agent Skills, a session hook, and an enforced methodology — and how it grew to v6.
AI Install the Superpowers plugin for Claude Code, verify it's active, and walk a real feature through its brainstorm, plan, and subagent TDD pipeline.
AI How Superpowers coexists with personal and project Claude Code skills: locations, namespacing, precedence, triggering, and when to write your own.
AI The real costs of the Superpowers plugin for Claude Code: token economics, community criticism, when to skip it, and the alternatives worth considering.
QA Why assertEqual fails for LLM outputs, and how DeepEval replaces exact assertions with thresholded LLM-as-judge metric scores you can actually trust.
QA Structure a real DeepEval project: LLMTestCase anatomy, goldens vs test cases, versioned datasets, and the contract your LLM app must expose for evaluation.
QA A ranked guide to DeepEval metrics for QA: the RAG quartet, a custom G-Eval slot, situational picks, and how to read and calibrate judge scores.
QA Wire DeepEval into CI: GitHub Actions gating, cost control, taming probabilistic flakiness, and the consolidated good-vs-bad practices list.
Backend What fintech actually means, and why payments—transferring capital—is the wedge where most fintech products begin.
Backend Follow a card payment from tap to settlement: the four-party model, gateways, processors, PSPs, and why approval and payment happen at different times.
QA A field guide for QA engineers moving from deterministic test cases to evals: golden datasets, LLM judges, guardrails, and fintech compliance.
Backend Decode payment fees and jargon: interchange, scheme fees, refunds vs. chargebacks, tokenization, PCI DSS, and KYC/AML.
Backend A builder's map of payment rails—cards, ACH, wire, RTP, and FedNow—plus the wallets and BNPL wrappers that ride on top of them.
Backend How payments defends itself with tokenization, 3D Secure, and KYC/AML, and the trends reshaping it: embedded finance and open banking.
Software Engineering Trace the arc of design patterns from Christopher Alexander's architectural work through the Gang of Four to modern microservices and cloud-native patterns.
Software Engineering Explore the foundational principles behind design patterns — GRASP, SOLID, DRY, KISS, and YAGNI — and learn why understanding these transforms pattern application.
Software Engineering A deep dive into nine creational design patterns — from Singleton and Factory Method to Dependency Injection and Object Pool — with real-world use cases and trade-offs.
Software Engineering Master eleven structural design patterns — Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Proxy and more — with comparisons and practical examples.
Software Engineering Explore fourteen behavioral design patterns — from Strategy and Observer to Visitor and Specification — with detailed implementations and comparisons.
Software Engineering A comprehensive guide to concurrency patterns (Thread Pool, Reactor, Proactor) and architectural patterns (MVC, CQRS, Microservices, Event-Driven) for scalable systems.
Software Engineering Deep dive into enterprise patterns from Fowler's PoEAA, functional programming patterns like monads and ADTs, and reactive resilience patterns including Circuit Breaker.
Software Engineering Understand how design patterns manifest differently in JavaScript, Go, Rust, and functional languages — and when language features make patterns invisible or unnecessary.
Software Engineering See how Netflix, Google, Amazon, Meta, and Uber apply design patterns at scale — plus pattern evolution stories, failure modes, and industry survey data.
Software Engineering A practical framework for selecting the right design pattern — with problem-to-pattern mappings, decision flowcharts, architecture layer guidance, and a learning path.
QA Discover how Playwright CLI reduces token consumption by 4-10x compared to MCP by saving browser state to disk instead of the model's context window.
QA A data-driven comparison of Playwright CLI and MCP architectures, covering token efficiency, command coverage, determinism, and when to use each approach.
QA Learn three approaches to give your Claude Code agent browser automation: custom CLI skills, community skills, and Playwright test agents.
AI Learn how custom agents and skills extend Claude Code, turning repetitive prompts into reusable workflows with persistent memory and composable architecture.
AI A hands-on guide to creating custom Claude Code agents and skills, from defining the agent file and prompt to configuring permissions and persistent memory.
AI Build a production-ready QA Engineer agent in Claude Code with two skills for test case creation and story point evaluation.
AI A step-by-step guide to adding, managing, and scoping MCP servers in Claude Code, with a migration cheat sheet for developers coming from Cursor.
AI Learn how MCP tools consume your context window and practical strategies to reclaim tokens using Tool Search, deferred loading, and server optimization.
AI Curated MCP server recommendations organized by developer role, from frontend to DevOps to product management, so you install what matters.
AI Side-by-side comparisons of MCP servers across databases, browser automation, web search, and more to help you pick the right one per category.
AI Navigate the 15,000+ MCP server ecosystem with practical guidance on where to find servers, how to evaluate them, and what the security landscape looks like.
AI Master the six universal prompt engineering principles every major AI provider agrees on, from clarity and context to few-shot examples.
AI Learn how to tailor prompts for Claude, GPT, and Gemini models. Covers formatting preferences, reasoning modes, and agentic configurations for each.
AI Master agentic prompt engineering with proven patterns for tool design, planning strategies, state management, and multi-layered safety for production AI agents.
AI Explore how context engineering expands prompt engineering by optimizing what information LLMs see, covering compaction, sub-agents, and production strategies.
AI Learn what context engineering is, why it replaced prompt engineering, and how managing the full context lifecycle produces reliable AI behavior in agentic systems.
AI Understand tokens, tokenization, context windows, and pricing -- the foundational knowledge that everything in context engineering builds upon.
AI Explore the six sources of token consumption in AI agents, why costs compound quadratically, and five failure modes that degrade performance as context grows.
AI Explore 11 proven techniques for managing LLM context efficiently, from prompt caching and compaction to RAG, sub-agents, and memory architectures.
AI A practical decision framework, monitoring guide, and checklist for optimizing LLM context usage, reducing costs, and avoiding the six most common mistakes.
AI Everything you need to go from zero to productive with Claude Code — installation, commands, shortcuts, context management, and best practices.