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Found 1,636 Skills
Contract-first REST API design with OpenAPI 3.1 specification
Use when designing API endpoints. Use when using wrong HTTP methods. Use when POST is used for reads.
Use when writing new Playwright E2E tests or adding test cases. Provides testing philosophy, patterns, and best practices from the Playwright Developer Handbook.
Review Python code for quality, security, and best practices
Get best practices for C# async programming
Comprehensive toolkit for validating, linting, testing, and analyzing Helm charts and their rendered Kubernetes resources. Use this skill when working with Helm charts, validating templates, debugging chart issues, working with Custom Resource Definitions (CRDs) that require documentation lookup, or checking Helm best practices.
We review Claude Code Skills based on official best practices and provide specific improvement suggestions. It is triggered by requests such as 'Review this skill', 'Check skill quality', 'Validate SKILL.md', 'I want to improve this skill'.
Provides exact Enzyme → React Testing Library migration patterns for React 18 upgrades. Use this skill whenever Enzyme tests need to be rewritten - shallow, mount, wrapper.find(), wrapper.simulate(), wrapper.prop(), wrapper.state(), wrapper.instance(), Enzyme configure/Adapter calls, or any test file that imports from enzyme. This skill covers the full API mapping and the philosophy shift from implementation testing to behavior testing. Always read this skill before rewriting Enzyme tests - do not translate Enzyme APIs 1:1, that produces brittle RTL tests.
React 18.3.1 and React 19 dependency compatibility matrix.
Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.
Help users communicate more effectively in writing. Use when someone is drafting memos, emails, strategy docs, announcements, or any written communication that needs to be clear, concise, and persuasive.
Design RESTful APIs following best practices for resource modeling, HTTP methods, status codes, versioning, and documentation. Use when creating new APIs, designing endpoints, or improving existing API architecture.