productivity▌

Extract YouTube transcripts and generate detailed, comprehensive summaries using structured analysis frameworks. \n \n Validates video availability and extracts transcripts using the youtube-transcript-api Python library, with automatic dependency installation if needed \n Applies the STAR + R-I-S-E summarization framework to produce thorough, reference-quality documentation capturing all insights, arguments, and key points \n Supports multiple YouTube URL formats and handles language preference

Expert in threat modeling methodologies, security architecture review, and risk assessment. Masters STRIDE, PASTA, attack trees, and security requirement extraction. Use PROACTIVELY for security architecture reviews, threat identification, or building secure-by-design systems.

This skill identifies high-quality dividend stocks that combine value characteristics, attractive income generation, and consistent growth using a two-stage screening approach:

Apollo Federation enables composing multiple GraphQL APIs (subgraphs) into a unified supergraph.

Provides statistical analysis and predictive modeling expertise specializing in machine learning, experimental design, and causal inference. Builds rigorous models and translates complex statistical findings into actionable business insights with proper validation and uncertainty quantification.

Systematic debugging methodology with tools, techniques, and patterns for tracking down bugs across any codebase. \n \n Covers the scientific method for debugging: observe, hypothesize, experiment, analyze, and repeat until root cause is found \n Includes language-specific debugging tools and configurations for JavaScript/TypeScript, Python, and Go with practical examples \n Provides advanced techniques like binary search debugging, differential debugging, trace debugging, and memory leak detect

If you see unfamiliar placeholders or need to check which tools are connected, see CONNECTORS.md.

$23

CRITICAL — 开始前 MUST 先用 Read 工具读取 ../lark-shared/SKILL.md，其中包含认证、权限处理

Multi-factor authentication with TOTP, OTP, backup codes, and trusted device management for Better Auth. \n \n Supports three verification methods: authenticator apps (TOTP with QR codes), email/SMS codes (OTP), and single-use backup codes \n Handles complete 2FA sign-in flows with automatic session management, temporary 2FA cookies, and trusted device tracking with configurable expiration \n Built-in security features including rate limiting (3 requests per 10 seconds), encryption at rest for s