Data and Analytics

Create robust Express.js applications with proper routing, middleware chains, authentication mechanisms, and database integration following industry best practices.

Generate secure, type-safe Convex functions following all best practices.

基于 YouTube Data API v3 进行高级搜索，配合 yt-dlp 下载。

MarkItDown is a Python tool developed by Microsoft for converting various file formats to Markdown. It's particularly useful for converting documents into LLM-friendly text format, as Markdown is token-efficient and well-understood by modern language models.

Patterns for adopting Swift 6.2's concurrency model where code runs single-threaded by default and concurrency is introduced explicitly. Eliminates common data-race errors without sacrificing performance.

Account balance, positions, P&L, bills, fees, and fund transfers on OKX exchange. Requires API credentials.

Build well-structured Convex schemas following best practices for relationships, indexes, and validators.

Use components to encapsulate features and build maintainable, reusable backends.

Version: 2.1.0 | Last Updated: 2025-01-27

Scientific visualization transforms data into clear, accurate figures for publication. Create journal-ready plots with multi-panel layouts, error bars, significance markers, and colorblind-safe palettes. Export as PDF/EPS/TIFF using matplotlib, seaborn, and plotly for manuscripts.

First time? If setup_complete: false above, run ./SETUP.md first, then set setup_complete: true .

Patterns for integrating Apple's on-device language model into apps using the FoundationModels framework. Covers text generation, structured output with @Generable , custom tool calling, and snapshot streaming — all running on-device for privacy and offline support.

Guidelines for integrating TanStack Query, Router, and Start together effectively. These patterns ensure optimal data flow, caching coordination, and type safety across the stack.

Generate and edit high-quality images using OpenRouter's image generation models including FLUX.2 Pro and Gemini 3 Pro.

Use this skill when building web applications that need to upload, download, or manage files using CloudBase cloud storage via the @cloudbase/js-sdk (Web SDK).

This collection provides structured guidance for building production-grade AI agent systems through effective context engineering.

Systematically audit the current project's Claude Code setup using the six-layer framework: CLAUDE.md → rules → skills → hooks → subagents → verifiers

Integration of 17 search engines for web crawling without API keys.

This is an OPTIONAL advanced modeling tool for complex database design. Most simple table creation should use relational-database-tool directly with SQL statements.

This skill enables advanced Excel automation using xlwings - a library that can interact with live Excel instances. Unlike openpyxl (file-only), xlwings can control Excel in real-time, execute VBA, update dashboards, and automate complex workflows.

Source details, install context, and public review data are available on the full page.

Principle-based patterns for designing website sections that feel human-designed, not AI-generated. Each pattern teaches WHY and WHEN, not just templates to copy.

Convert files to Markdown using uvx markitdown — no installation required.

Use this skill to query Aave V3 metadata and reserve snapshots for strategy inputs.