productivity▌

Expert quantitative finance, algorithmic trading, and financial data analysis using Python scientific computing. \n \n Covers algorithmic trading strategy development, backtesting frameworks, and signal generation with walk-forward validation to prevent overfitting \n Implements risk models including VaR, CVaR, Greeks calculations, and Monte Carlo simulations for derivatives pricing \n Provides portfolio optimization techniques (mean-variance, Black-Litterman, risk parity) with transaction cost

Fast, persistent browser automation with session continuity across sequential agent commands. \n \n Supports three browser modes: headless Chromium, real Chrome with profile support, and cloud-hosted remote browsers with proxy configuration \n Includes 15+ command categories covering navigation, page inspection, interactions, data extraction, cookie management, and JavaScript execution \n Offers cloud session management, local server tunneling via Cloudflare, and parallel subagent execution thro

Eliminate predictable AI writing patterns from prose.

Comprehensive skill for automating YouTube channel management and content workflows.

Analyze a draft prompt, critique it, match it to ECC ecosystem components, and output a complete optimized prompt the user can paste and run.

专业的小说创作支持，涵盖构思、规划、写作到修改的全流程。

Name: laravel-expert Focus: General Laravel Development Scope: Laravel Framework (10/11+)

This skill provides a high-performance bridge for automating Adobe Photoshop (vCS6 - 2026+) on Windows and macOS using the ExtendScript (JSX) engine via VBScript or AppleScript.

Discover and install specialized agent skills from the open ecosystem when users need extended capabilities. \n \n Helps identify relevant skills by domain and task when users ask \"how do I do X\" or \"find a skill for X\" \n Integrates with the Skills CLI ( npx skills find , npx skills add ) to search, verify, and install packages from the skills.sh directory \n Recommends skills based on install count, source reputation, and GitHub stars to ensure quality before suggesting installation \n Pre

Scaffold new agent skills with structured templates, progressive disclosure, and bundled utility scripts. \n \n Guides skill creation through a four-step process: gather requirements, draft the skill structure, review with user, and finalize \n Provides SKILL.md template with quick start, workflows, and advanced features sections; splits content into separate reference files when exceeding 100 lines \n Includes utility script patterns for deterministic operations like validation and formatting t