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Found 2,347 Skills
Write and query high-cardinality event data at scale with SQL. Load when tracking user events, billing metrics, per-tenant analytics, A/B testing, API usage, or custom telemetry. Use writeDataPoint for non-blocking writes and SQL API for aggregations.
Expert guidance for browser automation and web testing using Selenium WebDriver with best practices for element location, waits, and test organization.
Complete QA, playtesting, and code quality team for game development. Use when evaluating player experience, fun factor, game feel, code quality, test coverage, refactoring, performance testing, or build validation. Covers playtesting methodologies, UX research, unit/integration/e2e testing, code review, linting, accessibility, and continuous quality assurance. Triggers on requests for testing, QA, playtesting, code review, refactoring, bug tracking, or quality validation.
Create professional Bruno REST API endpoint configurations with proper authentication, environment setup, and documentation. Use when setting up API testing with Bruno, creating new endpoints, or configuring collection-level authentication. Triggers on "create Bruno endpoint", "Bruno API testing", "set up Bruno collection".
Automate GitHub repository setup with CI/CD workflows, issue templates, Dependabot, and CodeQL security scanning. Includes 12 production-tested workflows and prevents 18 errors: YAML syntax, action pinning, and configuration. Use when: setting up GitHub Actions CI/CD, creating issue/PR templates, enabling Dependabot or CodeQL scanning, deploying to Cloudflare Workers, implementing matrix testing, or troubleshooting YAML indentation, action version pinning, secrets syntax, runner versions, or CodeQL configuration. Keywords: github actions, github workflow, ci/cd, issue templates, pull request templates, dependabot, codeql, security scanning, yaml syntax, github automation, repository setup, workflow templates, github actions matrix, secrets management, branch protection, codeowners, github projects, continuous integration, continuous deployment, workflow syntax error, action version pinning, runner version, github context, yaml indentation error
SAP Converged Cloud Go coding conventions extracted from sapcc/keppel and sapcc/go-bits PR reviews. Enforces architecture patterns, library usage rules, error handling conventions, testing patterns, and anti-over-engineering principles. Use when working in sapcc/* repos, when code imports github.com/sapcc/go-bits, or when targeting SAP CC code review standards. Do NOT use for general Go projects without sapcc dependencies.
Write comprehensive unit tests with high coverage using testing frameworks like Jest, pytest, JUnit, or RSpec. Use when writing tests for functions, classes, components, or establishing testing standards.
Expert at securing web applications against OWASP Top 10 vulnerabilities. Covers authentication, authorization, input validation, XSS prevention, CSRF protection, secure headers, and security testing. Treats security as a first-class requirement, not an afterthought. Use when "security, OWASP, XSS, CSRF, SQL injection, authentication security, authorization, input validation, secure headers, vulnerability, penetration testing, security, owasp, authentication, authorization, xss, csrf, injection, headers" mentioned.
Complete knowledge domain for Cloudflare Cron Triggers - scheduled execution of Workers using cron expressions for periodic tasks, maintenance jobs, and automated workflows. Use when: scheduling Workers to run periodically, adding cron triggers to Workers, configuring scheduled tasks, testing cron handlers, combining crons with Workflows, enabling Green Compute, handling multiple schedules, or encountering "scheduled handler not found", "cron expression invalid", "changes not propagating", "handler does not export", "timezone issues" errors. Keywords: cloudflare cron, cron triggers, scheduled workers, scheduled handler, periodic tasks, background jobs, scheduled tasks, cron expression, wrangler crons, scheduled event, green compute, workflow triggers, maintenance tasks, scheduled() handler, ScheduledController, UTC timezone
Automated LLM-driven hypothesis generation and testing on tabular datasets. Use when you want to systematically explore hypotheses about patterns in empirical data (e.g., deception detection, content analysis). Combines literature insights with data-driven hypothesis testing. For manual hypothesis formulation use hypothesis-generation; for creative ideation use scientific-brainstorming.
Ruby on Rails testing best practices for writing effective, maintainable test suites with RSpec. This skill should be used when writing, reviewing, or refactoring Rails tests to ensure proper test design, data management, and coverage patterns. Triggers on tasks involving RSpec specs, model tests, request specs, system tests, factory definitions, Capybara interactions, Sidekiq job tests, or test suite optimization. Complementary to rails-dev, ruby-optimise, and ruby-refactor skills.
Database schema validation, data integrity testing, migration testing, transaction isolation, and query performance. Use when testing data persistence, ensuring referential integrity, or validating database migrations.