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Best practices for scikit-learn machine learning, model development, evaluation, and deployment in Python

E2E UI testing with Maestro for iOS, Android, Flutter, React Native, and Web

FinnHub financial data API integration for stocks, forex, crypto, news, and fundamentals. Use when fetching real-time quotes, company profiles, financial…

Guidelines for integrating Figma designs with development workflows using MCP servers and best practices

Connect Workers to PostgreSQL/MySQL with Hyperdrive's global pooling and caching. Use when: connecting to existing databases, setting up connection pools, using node-postgres/mysql2, integrating Drizzle/Prisma, or troubleshooting pool acquisition failures, TLS errors, or nodejs_compat missing. Prevents 11 documented errors.

Guidelines for data analysis and Jupyter Notebook development with pandas, matplotlib, seaborn, and numpy.

Safely package codebases with repomix by automatically detecting and removing hardcoded credentials before packing. Use when packaging code for distribution,…

Triage TestFlight crashes, beta feedback, and performance diagnostics using asc. Use when the user asks about TF crashes, TestFlight crash reports, beta tester…

Master modern JavaScript with ES6+, async patterns, and Node.js APIs. Handles promises, event loops, and browser/Node compatibility.

Build robust, production-grade backtesting systems that avoid common pitfalls and produce reliable strategy performance estimates.

You are a workflow automation expert specializing in creating efficient CI/CD pipelines, GitHub Actions workflows, and automated development processes. Design…

Implement comprehensive frontend testing using Jest, Vitest, React Testing Library, and Cypress. Use when building robust test suites for UI and integration tests.

Use when Code implementation and refactoring, architecturing or designing systems, process and workflow improvements, error handling and validation. Provide…

This guide covers essential PDF processing operations using Python libraries and command-line tools. For advanced features, JavaScript libraries, and detailed…

How to use a Win32 build of BusyBox to run many of the standard UNIX command line tools on Windows.

Analyzes and optimizes content structure including header hierarchy, suggests schema markup, and internal linking opportunities. Creates search-friendly…

Track build processing, find latest builds, and clean up old builds with asc. Use when managing build retention or waiting on processing.

Vercel deployment and CI/CD expert guidance. Use when deploying, promoting, rolling back, inspecting deployments, building with --prebuilt, or configuring CI…

运行完整的项目验证（类型检查 + 代码检查 + 格式化 + 测试 + 构建（可选））

当用户想要规划、设计或实施 A/B 测试或实验时。当用户提到 "A/B test"、"split test"、"experiment"、"test this…" 时也使用。