Agent skills for HTTP / API

Modify cells in Excel (.xlsx) files using xlset.

Produce a .xlsx file on disk (headless) instead of driving a live Excel workbook — for managed-agent sessions with no open Office app.

Metal Dollar (XMD) stablecoin — mint, redeem, supply analytics, collateral reserves, oracle prices

Turn messy monetization ideas into clearer revenue decisions.

Flutter patterns — widget architecture, state management, Impeller renderer, platform-adaptive design

Write and review network configuration for self-hosted Linux infrastructure: what an nftables ruleset, a resolver zone, a reverse-proxy…

Set up and authenticate the Xpoz MCP server for social media intelligence.

Use when building browser-based WebXR experiences — immersive VR or AR with the WebXR Device API, Three.js, Babylon.js, or A-Frame…

X-ray Diffraction skill for crystal structure, phase identification, and crystallite size analysis of nanomaterials

You are a frontend security specialist focusing on Cross-Site Scripting (XSS) vulnerability detection and prevention.

Implements production-grade REST API design patterns including resource naming, error handling, and versioning.

Creates zero-dependency, animation-rich HTML presentations from scratch or via PowerPoint conversion with a focus on visual discovery.

Applies Xu Xiaoming's systematic technical analysis methodology to analyze A-share market trends, divergence structures, and trading setups.

Post content to WeChat Official Account (微信公众号).

Post content and articles to X (Twitter).

Xiaohongshu (Little Red Book) infographic series generator with multiple style options.

Migrate .NET test projects from xUnit.net (v2 or v3) to MSTest v4.

Migrates .NET test projects from xUnit.net v2 to xUnit.net v3.

A CLI tool for making authenticated requests to the X (Twitter) API.

YAML configuration for CI/CD, Docker Compose, and Kubernetes.

Write idiomatic YAMLScript code. Use when asked to write, convert, or review YAMLScript (.ys files). Converts Clojure to idiomatic…