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Found 1,499 Skills
Data analysis best practices with pandas, numpy, matplotlib, seaborn, and Jupyter notebooks.
TypeScript strict patterns and best practices. When implementing or refactoring TypeScript in .ts/.tsx (types, interfaces, generics, const maps, type guards, removing any, tightening unknown).
Supabase database migrations, type generation, edge function management, and best practices for this project
Provides guidance for creating effective Claude Code skills with proper YAML frontmatter, directory structure, and best practices. Activates when the user mentions "create skill", "new skill", "スキル作成", "SKILL.md", "skill development".
Specialized skill for .NET unit testing fundamentals and FIRST principles. Use this skill when you need to create unit tests, understand testing fundamentals, learn the 3A Pattern, or master testing best practices. Covers FIRST principles, AAA Pattern, Fact/Theory, test pyramid, etc. Keywords: unit test, unit testing, test fundamentals, FIRST principle, 3A pattern, AAA pattern, Arrange Act Assert, Fact, Theory, InlineData, how to write tests, testing best practices, creating unit tests
Enforces Effect-TS patterns for services, errors, layers, and atoms. Use when writing code with Context.Tag, Schema.TaggedError, Layer composition, or effect-atom React components.
Expert patterns for Salesforce platform development including Lightning Web Components (LWC), Apex triggers and classes, REST/Bulk APIs, Connected Apps, and Salesforce DX with scratch orgs and 2nd generation packages (2GP). Use when: salesforce, sfdc, apex, lwc, lightning web components.
Expert in Expo React Native TypeScript mobile development with best practices
Best practices for designing UI widgets in xmcp. Use when creating interactive widgets for GPT Apps or MCP Apps, choosing between React components and template literals, designing widget layouts, handling state and data fetching, or troubleshooting widget rendering issues.
Guides building Docker images and composing containers for Python/FastAPI applications. Triggered when users ask to "create a Dockerfile", "dockerize a Python app", "optimize Docker image", "create docker-compose", "set up multi-stage build", "reduce Docker image size", "create development container", or "configure Docker for FastAPI". Covers Docker, Dockerfile, container, image build, docker-compose, and containerization best practices for production and development workflows.
Best practices and guidelines for using logger in API routes. Defines appropriate logging levels, what to log, and when to avoid logging. Use when implementing or reviewing API route logging, debugging strategies, or optimizing log output.
Netlify development best practices for serverless functions, edge functions, Blobs storage, build configuration, and deployment workflows.