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Found 2,542 Skills
Vitest testing framework patterns for test setup, async testing, mocking with vi.*, snapshots, and test performance (formerly test-vitest). This skill should be used when writing or debugging Vitest tests. This skill does NOT cover TDD methodology (use test-tdd skill), API mocking with MSW (use test-msw skill), or Jest-specific APIs.
pytest testing patterns for Python. Triggers on: pytest, fixture, mark, parametrize, mock, conftest, test coverage, unit test, integration test, pytest.raises.
Use skill if you are testing MCP servers with philschmid/mcp-cli, inspecting tools, calling them, or debugging config, transport, auth, and arguments.
Using System.CommandLine 2.0. Commands, options, SetAction, custom parsing, middleware, testing.
Frontend debugging team using Chrome DevTools MCP. Dual-mode -- feature-list testing or bug-report debugging. Covers reproduction, root cause analysis, code fixes, and verification. CSV wave pipeline with conditional skip and iteration loops.
Comprehensive Flutter development guidelines covering architecture, state management, performance optimization, testing, and cross-platform best practices. Use when building, refactoring, or reviewing Flutter applications for mobile, web, and desktop platforms. Covers widget patterns, Riverpod/BLoC state management, navigation with go_router, Firebase integration, platform channels, custom painting, animations, CI/CD, and production deployment.
Review fixed income portfolios by pricing multiple bonds, retrieving reference data, analyzing cashflows, and running scenario analysis. Use when reviewing bond portfolios, computing portfolio duration and DV01, analyzing cashflow waterfalls, stress testing rate scenarios, or assessing portfolio composition.
Perform relative value analysis on bonds by combining pricing, yield curve context, credit spreads, and scenario stress testing. Use when analyzing bond richness/cheapness, computing spread decomposition, comparing bonds, assessing bond value vs curves, or running rate shock scenarios.
Эксперт iOS тестирования. Используй для XCTest, UI testing и iOS test patterns.
Эксперт анализа распределений. Используй для statistical distributions, data analysis и hypothesis testing.
Use when designing Xiaohongshu post thumbnails or first images, creating eye-catching cover images, improving click-through rates, or A/B testing cover designs
Write copy that gets a "yes" using Joanna Wiebe's research-first, Voice of Customer methodology Use when: **Writing landing pages, emails, or sales pages** that need measurable conversion results; **Starting a new copy project** and need a systematic process to follow; **Struggling with what to write** and staring at a blank page; **Wanting to prove ROI** to clients with data-backed decisions; **Improving existing copy** through validation and testing