Testing and QA

Source details, install context, and public review data are available on the full page.

Use bash (with optional background mode) for all coding agent work. Simple and effective.

This skill provides comprehensive guidance for building RESTful APIs in Spring Boot applications with consistent design patterns, proper error handling, validation, and architectural best practices based on REST principles and Spring Boot conventions.

Status : Production Ready ✅ Last Updated : 2026-01-20 Dependencies : cloudflare-worker-base (for Worker setup) Latest Versions : wrangler@4.59.2, @cloudflare/workers-types@4.20260109.0

Comprehensive rules derived from Apple's Human Interface Guidelines. Apply these when building, reviewing, or refactoring any iPhone app interface.

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.

Create clear, concise user stories that combine Mike Cohn's user story format with Gherkin-style acceptance criteria. Use this to translate user needs into actionable development work that focuses on outcomes, ensures shared understanding between product and engineering, and provides testable success criteria.

Source details, install context, and public review data are available on the full page.

Answer the critical question: "What breaks if I change this?"

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.

FastMCP is a Python framework for building Model Context Protocol (MCP) servers that expose tools, resources, and prompts to Large Language Models like Claude. This skill provides production-tested patterns, error prevention, and deployment strategies for building robust MCP servers.

Analyze events through the disciplinary lens of cybersecurity, applying rigorous security frameworks (CIA triad, defense-in-depth, zero-trust), threat modeling methodologies (STRIDE, PASTA, VAST), attack surface analysis, and industry standards (NIST, ISO 27001, MITRE ATT&CK) to understand security risks, identify...

Use this skill whenever you are dealing with Node.js code to obtain domain-specific knowledge for building robust, performant, and maintainable Node.js applications.

SQLAlchemy 2.0 introduced modern patterns with better type hints, improved query syntax, and async support.

Use this skill for Polymarket market discovery, CLOB market data, and order-management operations through the polymarket venue adapter.

MANDATORY: Always Use Backslashes on Windows for File Paths

Design REST APIs that are intuitive, consistent, and follow industry best practices for resource-oriented architecture.

Source details, install context, and public review data are available on the full page.

从 Karpathy 推荐的 90 个热门技术博客中抓取最新文章，通过 AI 评分筛选，生成每日精选摘要。

Differential analysis to verify commits address security findings without introducing bugs.

Convert text content into clean, professional Mermaid diagrams optimized for presentations and documentation. Automatically handles common syntax pitfalls (list syntax conflicts, subgraph naming, spacing issues) to ensure diagrams render correctly in Obsidian, GitHub, and other Mermaid-compatible platforms.

Build games in small steps and validate every change. Treat each iteration as: implement → act → pause → observe → adjust.