Skill UI

This comprehensive guide outlines Apple's Human Interface Guidelines (HIG) for various technologies and user flows (e.g., Siri, Apple Pay, HealthKit, ARKit, Generative AI). It teaches developers how to ensure their applications feel natively integrated, respect user privacy, and adhere to established platform patterns across iOS, macOS, and other Apple devices. Essential reading for building high-quality, compliant, and seamless user experiences.

Detect kernel-level rootkits in Linux memory dumps using Volatility3 plugins, rkhunter/chkrootkit live scans, and cross-view analysis of /proc, /sys, and kernel structures to flag hooked syscalls, hidden modules, and tampered binaries.

Implements a simplified Signal Protocol stack with X25519 key exchange, HKDF derivation, AES-256-GCM per-message encryption, ratcheting chains, and replay protections so only communicating parties can read messages in secure deployments.

This skill enables searching for stock tickers across A-Share, HK, and US markets. It can retrieve comprehensive historical price data (OHLCV) over specified date ranges, and also fetches crucial fundamental financial metrics such as market capitalization, P/E ratio, and industry sector information. Use this tool when needing to analyze the past or current performance of a publicly traded company.