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Found 3,722 Skills
BDD-Driven Mathematical Content Verification Skill Combines Behavior-Driven Development with mathematical formula extraction, verification, and transformation using: - Cucumber/Gherkin for specification - RSpec for implementation verification - mathpix-gem for LaTeX/mathematical content extraction - Pattern matching on syntax trees for formula validation Enables iterative discovery and verification of mathematical properties through executable specifications.
Under the assumption that the US dollar or a certain currency loses its reserve status and gold becomes the only anchor, deduce the 'implied gold price that the balance sheet can withstand' by dividing central bank monetary liabilities by gold reserves, and output the leverage level, gap and ranking of each country or currency.
Build and deploy custom StackOne connectors using the CLI and Connector Engine. Use when user asks to "build a custom connector", "deploy my connector", "use the StackOne AI builder", "set up CI/CD for connectors", "test my connector locally", or "install the StackOne CLI". Covers the full connector development workflow from init through deployment. Do NOT use for using existing connectors (use stackone-connectors) or building AI agents (use stackone-agents).
Expert guidance for designing and implementing onboarding flows in recovery, wellness, and mental health applications. This skill should be used when building onboarding experiences, first-time user flows, feature discovery, or tutorial systems for apps serving vulnerable populations (addiction recovery, mental health, wellness). Activate on "onboarding", "first-time user", "tutorial", "feature tour", "welcome flow", "new user experience", "app introduction", "recovery app UX". NOT for general mobile UX (use mobile-ux-optimizer), marketing landing pages (use web-design-expert), or native app development (use iOS/Android skills).
Эксперт Ruby on Rails. Используй для Rails приложений, ActiveRecord, Hotwire и Rails best practices.
Run comprehensive accessibility audit (WCAG 2.1) on Webflow pages - checks buttons, forms, links, focus states, headings, keyboard navigation, and generates detailed reports with fixes. Requires Webflow Designer connection. Excludes image alt text (covered by asset-audit skill).
Create high-converting Meta (Facebook/Instagram) ad creative using the 6 Elements framework, proven ad formats, and research-driven copywriting. Optimized for lo-fi, native-feeling ads that don't look like ads.
Stakeholder-ready summary document for any Intelligems A/B test. Combines verdict, financial impact, segment analysis, and recommendations into a single shareable brief.
Use when structuring payouts, tiers, and eligibility for referral programs.
Design and generate property-based tests (PBT) for changed files in the current git branch. Extracts specifications, designs properties (invariants, round-trip, idempotence, metamorphic, monotonicity, reference model), builds generator strategies, implements tests, and self-scores against a rubric (24/30+ required). Supports fast-check (TS/JS), hypothesis (Python), and proptest (Rust). Use when: (1) "write property tests for my changes", (2) "add PBT", (3) "property-based test", (4) after implementing pure functions, validators, parsers, or formatters to verify invariants.
Self-contained test automation — invoke directly, do not decompose. End-to-end integration test that assembles a fixture, deploys Connect + Cloudflare, and presents a live URL for browser verification.
Builds, tests, and archives Swift packages and Xcode projects for Apple platforms. Use when running xcodebuild, swift build, or swift test commands, discovering schemes and targets, or selecting simulator destinations for iOS, macOS, tvOS, watchOS, or visionOS.