Create, modify, debug, or extend dynamic Cordis Plugins, including Host Services and Events, Client Slot and theme UI, Package-private Client-to-Host calls, dynamic Tools, version updates, approval failures, and runtime diagnostics. Use this Skill to route a user request to the correct platform and Inspect Provider…
Use when creating, changing, or validating a Cordis composition for this harness — writing or editing an agent preset, adding or removing a plugin row, deciding whether something belongs to the host composition or to one session, checking whether a preset you authored actually mounts, or diagnosing a row that mounted…
A command-line tool for controlling Chrome or Chromium, the browsers used to open websites. It can navigate pages, inspect elements, enter information, click controls, take screenshots, collect page data, and test web apps.
Instructions for creating generative art with p5.js, a JavaScript library for interactive graphics, using algorithms such as particles, noise, and flowing fields.
A discussion process for turning an idea into a clear software design before implementation. It starts by examining the project, asking focused questions, comparing possible approaches, and seeking approval for the design.
A design workflow for creating original visual artwork as PNG images or PDF documents. It starts with a written visual philosophy and then expresses that philosophy through composition, colour, shapes, images, and limited text.
A guide to React composition patterns, which are ways to build flexible components by combining smaller parts. It covers compound components, render props, context, reusable APIs, and React 19 changes.
A two-stage workflow for producing research reports on markets, consumers, brands, finances, industries, competitors, investments, and the wider economy. It first creates an analysis framework, then turns supplied data into a Markdown report.
Guidance for building distinctive, production-ready front-end interfaces, meaning the parts of websites and apps that people see and use. It covers pages, components, landing pages, posters, and applications.
A helper for creating Git commits with Conventional Commits, a shared format such as “fix: correct login error” that makes project history easier to understand and automate.
A development guide for building MCP servers. MCP, or Model Context Protocol, is a way for an AI model to use tools that connect it to external services.
A set of guidelines for improving the speed and efficiency of React and Next.js applications. React is a user-interface library, while Next.js is a framework built around React.
A collection of React Native and Expo development guidelines for mobile apps, including lists, animations, media, native features, and project structure.
A practical guide for building and tuning Redis systems. Redis is a fast data store commonly used for caching, sessions, real-time features, search, and vector retrieval.
This skill provides a description of how to identify the language and frameworks used by the current context, and then to load information from this skill's references directory about the security best practices for this language and or frameworks.
Guidance for using shadcn/ui, a collection of interface components added as editable source code to a project. It covers finding, adding, fixing, styling, debugging, and combining those components.
A test-first development guide known as TDD, or test-driven development. It requires writing a test that fails, adding the smallest code that makes it pass, and then improving the code.
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At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: