Search 21st.dev component registry for production-ready React components.
Specify one component — props, states, variants, accessibility, and usage rules.
Como usar os componentes do Material UI v9 — comportamento por categoria (Inputs, Data Display, Feedback, Navigation, Surfaces/Layout, MUI…
Build many focused workspace apps that compose through agent discovery and A2A.
When to activate: Composer, composer.json, composer.lock, PSR-4 autoloading, semantic versioning constraints, dev dependencies, composer…
Composes single-file HTML artifacts (PR review writeups, status reports, incident postmortems, slide decks, design systems, prototypes…
Presentation creation, editing, and analysis.
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that…
Implements a stoic internal monologue persona based on the Disco Elysium RPG for Claude Code sessions.
Analyze a codebase and generate comprehensive documentation from the source code.
Use to compress any agent-instruction file (AGENTS.md, CLAUDE.md, .claude/rules/*.md, legacy AIBOARDING.md) into terse, high-signal prose…
Use when about to hand-roll a one-off shell/Python utility for a recurring chore - finding or killing a process (pgrep -f, pkill -f); a…
Use when running and reporting the computational experiments — and assembling the reproducible code/data deposit — for an INFORMS Journal…
Computational geometry with Shapely - create geometries, boolean operations, measurements, predicates
Use when running and reporting the computational study for an Operations Research (OR) manuscript — benchmark instances, baselines…
Normalize results by compute budget (Pareto analysis)
Computer connector for exposing local services to remote sandboxes via
Use Orca's computer-use CLI to inspect and operate local desktop app windows through accessibility trees, screenshots, and safe UI actions.
COMSOL finite element skill for multiphysics simulations including electromagnetics, heat transfer, and fluid dynamics
Generate flat, minimal educational SVG visuals as HTML.
Teaches programming concepts in Python and Go using intuitive real-world metaphors, progressive walkthroughs, and interactive slide decks.