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Found 280 Skills
INVOKE THIS SKILL when your Deep Agent needs memory, persistence, or filesystem access. Covers StateBackend (ephemeral), StoreBackend (persistent), FilesystemMiddleware, and CompositeBackend for routing.
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 scale with log aggregation 3rd-party tools. Apply when creating, wrapping, inspecting, or logging errors in Go code.
Production-ready Express.js development covering middleware architecture, error handling, security hardening, testing strategies, and deployment patterns
Node.js backend development with TypeScript, Express/Fastify servers, routing, middleware, and database integration
Operational security guidance for deployment, monitoring, and maintenance. Use this skill when you need to understand which middlewares to apply, configure environment variables, monitor security post-deployment, or follow the pre-deployment checklist. Triggers include "security operations", "deployment security", "security monitoring", "environment variables", "when to use middleware", "pre-deployment", "security checklist", "production security".
React Router v7 patterns with Clerk — rootAuthLoader, getAuth in loaders, clerkMiddleware, protected routes, SSR user data, org switching. Triggers on: react-router auth, rootAuthLoader, getAuth loader, react-router protected route, loader authentication, SSR auth react-router.
Game audio systems, music, spatial audio, sound effects, and voice implementation. Build immersive audio experiences with professional middleware integration.
Implements agents using Deep Agents. Use when building agents with create_deep_agent, configuring backends, defining subagents, adding middleware, or setting up human-in-the-loop workflows.
Comprehensive NestJS framework guide with Drizzle ORM integration. Use when building NestJS applications, setting up APIs, implementing authentication, working with databases, or integrating Drizzle ORM. Covers controllers, providers, modules, middleware, guards, interceptors, testing, microservices, GraphQL, and database patterns.
Clerk authentication for Next.js 16 (App Router only) with proxy.ts setup, migration from middleware.ts, environment configuration, and MCP server integration.
Comprehensive Express.js development skill covering routing, middleware, request/response handling, error handling, and building production-ready REST APIs
Backend development expert including server architecture, middleware, and data handling