Explorar skills

Write clean Python functions with type hints and no docstrings

Python linting with Ruff - an extremely fast linter written in Rust. Use when: (1) Standardizing code quality, (2) Fixing style warnings, (3) Enforcing rules in CI, (4) Replacing flake8/isort/pyupgrade/autoflake, (5) Configuring lint rules and suppressions.

Master Rust's ownership, borrowing, and lifetime system for memory-safe code. Use when the user encounters borrow checker errors, lifetime annotations, needs smart pointers (Box/Rc/Arc), works with move semantics, or asks about Clone vs Copy, ownership transfer, and reference management in Rust.

Validate and sanitize all user input using schema validation libraries. Activate whenever the user writes form handlers, API endpoints, request parsers, data processing functions, or any code that accepts external input. Also activate when the user asks about validation libraries like Zod, Joi, or Pydantic, or discusses input sanitization.

Guide for configuring PreToolUse, PostToolUse, and Stop hooks in Claude Code. Use when the user asks about hooks, wants to run commands before/after tool calls, needs auto-formatting, auto-linting, validation gates, or mentions settings.json hook config.

Manage secrets, API keys, and sensitive configuration securely. Activate whenever the user handles API keys, passwords, tokens, database credentials, .env files, CI/CD pipelines, or any configuration that contains sensitive values. Also activate when the user asks about secret rotation, vault integration, or gitignore setup.

Web vulnerability triage — JWT flaws (alg confusion, none alg, kid injection), deserialization (Java/Python/PHP/Ruby/Node), prototype pollution, OAuth misconfigs (redirect_uri, PKCE, scope), CSRF, DOM XSS, SSRF. Classification, impact assessment at pattern level, and handoff to remediation.

Patterns for learning from corrections, capturing instincts, extracting stable patterns, and building cross-session knowledge. Use when the user corrects you, when you discover a recurring pattern, or when insights should persist beyond the current session.

Implement effective caching at every layer: in-memory, Redis, CDN, and browser. Activate whenever the user asks about caching, performance optimization for repeated data access, Redis patterns, CDN configuration, cache invalidation, HTTP cache headers, memoization, or stale-while-revalidate strategies.

Set up automated code quality tools: ESLint, Prettier, pre-commit hooks, and CI linting. Activate whenever the user sets up a new project, asks about code formatting, configures linters, sets up Git hooks, or mentions Husky, lint-staged, CODEOWNERS, or pre-commit hooks. Also activate when discussing consistent code style enforcement.

Structure Python projects with pyproject.toml, src layout, modern package managers (uv, rye, poetry), virtual environments, __init__.py, and namespace packages. Use when the user creates a new Python project, asks about project layout, configures packaging, sets up dependencies, or encounters import issues. Trigger when you see a Python project without proper structure.

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