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Found 383 Skills
Python development guidance with code quality standards, error handling, testing practices, and environment management. Use when writing, reviewing, or modifying Python code (.py files) or Jupyter notebooks (.ipynb files).
REST API design and development expert specializing in endpoint design, HTTP semantics, versioning, error handling, pagination, and OpenAPI documentation. Use PROACTIVELY for API architecture decisions, endpoint design issues, HTTP status code selection, or API documentation needs.
Help developers write Services in accordance with project guidelines, following the best practices of the tRPC + Service + DAO architecture. Provide guidance on Service structure, dependency injection, error handling, code examples, templates, boilerplate code generation, and best practice validation. Use this when creating or refactoring Service files in the codebase.
Generic tRPC implementation guide. Works with any framework (Next.js, Express, Fastify, Hono, Bun) and any package manager (pnpm, npm, yarn, bun).
Diagnose and fix common Evernote API errors. Use when encountering Evernote API exceptions, debugging failures, or troubleshooting integration issues. Trigger with phrases like "evernote error", "evernote exception", "fix evernote issue", "debug evernote", "evernote troubleshooting".
Kotlin Coroutines and Flow patterns for structured concurrency, error handling, and async operations.
Express.js framework patterns including routing, middleware, request/response handling, and Express-specific APIs. Use when working with Express routes, middleware, or Express applications.
This skill should be used when user wants to access, capture, or reference Claude Code session history. Trigger when user says "capture session", "save session history", or references past/current conversation as a source - whether for saving, extracting, summarizing, or reviewing. This includes any mention of "what we discussed", "today's work", "session history", or when user treats the conversation itself as source material (e.g., "from our conversation").
Apply production-ready Customer.io SDK patterns. Use when implementing best practices, refactoring integrations, or optimizing Customer.io usage in your application. Trigger with phrases like "customer.io best practices", "customer.io patterns", "production customer.io", "customer.io architecture".
Build Rust code with proper error handling and optimization for development, testing, and production
Use when writing, reviewing, or debugging pure Ruby code — idiomatic patterns, modern 3.x+ features (pattern matching, Data.define, endless methods), error handling conventions (raise vs fail, result objects), memoization, and performance idioms. For Rails use rails-guides. For testing use minitest. For code style use sandi-metz-rules.
[Pragmatic DDD Architecture] How to structure **Use Cases** using DDD and Railway-Oriented Programming (neverthrow Result types). Tailored for TypeScript + drizzle-orm + node-postgres stack. **Use whenever creating or modifying any Use Case class — even simple ones like "Exists" or "List" operations — to ensure type-safe error unions, proper transactional boundaries, Value Object-only contracts, auth-first patterns, and Result-based error handling.** Includes references to working examples (Create, List, Exists patterns). Depends on 'repositories' skill.