Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when creating Node.js servers, REST APIs, GraphQL backends, or microservices architectures.

Build, modify, debug, migrate, review, or verify TypeScript MCP servers and MCP Apps with mcp-use. Use for tools, resources, prompts, middleware, Views, authentication, Skills over MCP, scaffolding, and advanced features.

Advanced Next.js patterns - middleware, Server Actions, caching with Clerk.

Idiomatic Golang error handling — creation, wrapping with %w, errors.Is/As, errors.Join, custom error types, sentinel errors, panic/recover, the single handling rule, structured logging with slog, HTTP request logging middleware, and samber/oops for production errors. Built to make logs usable at sc

Structured logging extensions for Golang using samber/slog-**** packages — multi-handler pipelines (slog-multi), log sampling (slog-sampling), attribute formatting (slog-formatter), HTTP middleware (slog-fiber, slog-gin, slog-chi, slog-echo), and backend routing (slog-datadog, slog-sentry, slog-loki

Licitaciones, precios históricos, competidores y compradores de Mercado Público (Chile). Sin clave.

Coaching answers from Kevin Middleton's own writing, with the source link for each answer.

DSH web 插件：通过 DSH v0.1.5-rc.1 原生第三方语言 API（locale.addLanguage + register(ns, locale, dict)）注册 19 种内置语言字典（ja/ko/fr/...），语言直接出现在 DSH 设置页原生 Language 行中切换，未覆盖文案按 fallback 链回退英文。 | DSH web plugin: registers 19 bundled third-language dictionaries (ja/ko/fr/...)

A middleware to provide an openAI compatible endpoint that can call MCP tools