This skill provides best practices and code patterns for Next.js 15 App Router development, covering server components, server actions, data fetching strategies, and modern React 19 patterns.

Teams struggle with inconsistent branches and commits. This skill enforces naming conventions, worktree isolation, and conventional commits for clean history.

AI often defaults to generic, overused design patterns that make interfaces immediately recognizable as machine-generated. This skill provides specific alternatives for typography, color, motion, and depth to create professional, branded interfaces.

Writing database code with Drizzle ORM can be confusing without clear patterns. This skill provides ready-to-use code examples for schema definition, relations, queries, mutations, transactions, and migrations.

Building type-safe database queries with Drizzle ORM can be complex. This skill provides complete patterns for queries, transactions, migrations, and edge deployment with automated security validation.

Teams struggle with inconsistent code reviews and missed issues. This skill provides comprehensive criteria for maintainability, performance, and security reviews, ensuring consistent quality standards across all code contributions.

Context exhaustion can cause complete work loss. This skill provides checkpoint commands to save progress to memory-keeper, enabling recovery and preventing catastrophic data loss during long sessions.

Developers need consistent patterns when building applications. This skill provides decision trees and pattern references for Next.js, TypeScript, databases, APIs, and React 19. Choose the right pattern for each situation.

Integration failures cause deployment delays and production incidents. This skill provides step-by-step validation for ports, databases, APIs, and data flows to catch issues early.

Creating skills for Claude requires careful planning and consistent structure. This skill provides step-by-step guidance, initialization scripts, and packaging tools to help you build professional skills that extend Claude's capabilities.

Skills often have formatting issues or structural problems that reduce their effectiveness. This skill provides automated validation with scoring rubrics to ensure all skills meet quality standards before distribution. Use it to catch issues early and maintain consistency across your skill library.

WebSocket implementations often fail silently due to missing heartbeat or reconnection logic. This skill provides verified patterns for robust real-time connections that survive network issues and handle message validation correctly.

TanStack Query v5 introduces breaking changes and subtle caching behaviors that cause bugs. This skill provides proven patterns and anti-patterns for correct data fetching, mutations, and cache invalidation.

Security vulnerabilities in authentication, caching, and logging expose sensitive user data and credentials. This skill provides verified patterns to prevent common mistakes when handling session keys, environment variables, and sensitive data.

React developers often encounter common mistakes that cause bugs and accessibility issues. This skill provides proven patterns for components, forms, error handling, and responsive design.

Express API development often leads to inconsistent routes, wrong status codes, and tightly coupled storage logic. This skill provides proven patterns for RESTful routes, HTTP status codes, storage interfaces, and background job management.

Drizzle ORM migrations and schema definitions often cause runtime errors and data loss. This skill provides proven patterns for safe migrations, correct array syntax, and proper type inference.

Blockchain interactions often fail silently or waste gas due to missing error handling. This skill provides verified patterns for RPC error handling, gas estimation with buffers, multicall safety, and transaction management across multiple chains.

MEV trading requires precise liquidity analysis to avoid excessive slippage and failed transactions. This skill provides systematic workflows and formulas for calculating price impact, estimating slippage, and validating trade profitability before execution.

Complex tasks often require multiple iterations to succeed. This skill runs Claude in a persistent loop that keeps retrying until tests pass or completion criteria are met. It includes safety limits to prevent infinite loops and supports TDD workflows, overnight builds, and automated retry logic.