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zarr-python
This skill provides comprehensive guidance for using Zarr, a Python library for chunked N-dimensional array storage. It covers array creation, chunking strategies, compression options, cloud integration, and common troubleshooting patterns for scientific computing workflows.
seo
Optimize for search engine visibility and ranking. Use when asked to "improve SEO", "optimize for search", "fix meta tags", "add structured data", "sitemap optimization", or "search engine optimization".
agentic-jujutsu
A version control wrapper that learns from AI agent operations to suggest optimal workflows. It tracks trajectories, discovers patterns, and coordinates multiple agents without conflicts using quantum-resistant cryptography for integrity verification.
reportlab
Provides detailed guidance for using ReportLab Python library to generate PDF documents including invoices, reports, certificates, and labels. Covers both Canvas API for precise positioning and Platypus for flowing documents, with examples for tables, charts, barcodes, and troubleshooting common issues.
oracle
A CLI tool that bundles code files with prompts for AI analysis, supporting browser and API modes with session management. It helps developers get contextual code assistance by providing relevant files to language models.
lamindb
Provides guidance for using LaminDB, an open-source Python framework for managing biological data with FAIR principles. Covers data versioning, ontology annotation, workflow tracking, and deployment across local and cloud environments. Includes specific code examples for common operations like artifact creation, querying, and lineage visualization.
aflpp
AFL++ is a fork of AFL with better fuzzing performance and advanced features. Use for multi-core fuzzing of C/C++ projects.
sqs
AWS SQS message queue service for decoupled architectures. Use when creating queues, configuring dead-letter queues, managing visibility timeouts, implementing FIFO ordering, or integrating with Lambda.
midjourney-card-news-backgrounds
Generates structured Midjourney prompts for 600x600 card news backgrounds. Provides clear prompt templates, style categories for different topics, and text overlay optimization guidelines. Focuses on practical output for social media graphics.
color-palette
Generate complete, accessible colour palettes from a single brand hex. Produces 11-shade scale (50-950), semantic tokens, dark mode variants, and Tailwind v4 CSS output. Includes WCAG contrast checking. Use when setting up design systems, creating Tailwind themes, building brand colours from a hex value, or checking colour accessibility.
cloudflare-hyperdrive
Connect Workers to PostgreSQL/MySQL with Hyperdrive's global pooling and caching. Use when: connecting to existing databases, setting up connection pools, using node-postgres/mysql2, integrating Drizzle/Prisma, or troubleshooting pool acquisition failures, TLS errors, or nodejs_compat missing. Prevents 11 documented errors.
ai-sdk-core
Build backend AI with Vercel AI SDK v6 stable. Covers Output API (replaces generateObject/streamObject), speech synthesis, transcription, embeddings, MCP tools with security guidance. Includes v4→v5 migration and 15 error solutions with workarounds. Use when: implementing AI SDK v5/v6, migrating versions, troubleshooting AI_APICallError, Workers startup issues, Output API errors, Gemini caching issues, Anthropic tool errors, MCP tools, or stream resumption failures.
product-management
This skill helps product managers write PRDs, analyze features, synthesize research, and plan roadmaps. It provides structured templates and frameworks like RICE scoring. It integrates with codebases to reference technical constraints and generates actionable documentation within development workflows.
swiftui-animation
Provides concrete SwiftUI animation implementation guidance including spring animations, transitions, matched geometry effects, and Metal shader integration. Includes specific code examples for common patterns like expandable cards and list animations, with practical troubleshooting advice.
himalaya
CLI to manage emails via IMAP/SMTP. Use `himalaya` to list, read, write, reply, forward, search, and organize emails from the terminal. Supports multiple accounts and message composition with MML (MIME Meta Language).
pymc-bayesian-modeling
Provides a structured workflow for Bayesian modeling with PyMC, covering data prep, model building, prior/posterior checks, MCMC diagnostics, and variational inference. Includes practical code examples for common tasks like hierarchical models and model comparison.
pufferlib
PufferLib provides optimized PPO training for reinforcement learning with vectorized environments, achieving 1-4 million steps per second. It supports multi-agent systems, integrates with Gymnasium/PettingZoo, and includes 20+ pre-built environments. The library focuses on performance through shared memory buffers and efficient parallel simulation.
drugbank-database
Access and analyze comprehensive drug information from the DrugBank database including drug properties, interactions, targets, pathways, chemical structures, and pharmacology data. This skill should be used when working with pharmaceutical data, drug discovery research, pharmacology studies, drug-drug interaction analysis, target identification, chemical similarity searches, ADMET predictions, or any task requiring detailed drug and drug target information from DrugBank.
app-router
This skill provides detailed guidance on Next.js App Router conventions, including file structure, layouts, loading states, error boundaries, and advanced patterns like parallel and intercepting routes. It offers concrete code examples for common scenarios like modals and tab navigation.
server-components
This skill provides detailed guidance on React Server Components in Next.js App Router, covering server vs client component distinctions, composition patterns, data fetching strategies, and practical implementation examples. It helps developers understand when to use each component type and how to structure applications effectively.
auto-animate
Zero-config animations for React, Vue, Solid, Svelte, Preact with @formkit/auto-animate (3.28kb). Prevents 15 documented errors including React 19 StrictMode bugs, SSR imports, conditional parents, viewport issues, drag & drop conflicts, and CSS transform bugs. Use when: animating lists/accordions/toasts, troubleshooting SSR animation errors, React 19 StrictMode issues, or need accessible drop-in transitions with auto prefers-reduced-motion.
accessibility
Build WCAG 2.1 AA compliant websites with semantic HTML, proper ARIA, focus management, and screen reader support. Includes color contrast (4.5:1 text), keyboard navigation, form labels, and live regions. Use when implementing accessible interfaces, fixing screen reader issues, keyboard navigation, or troubleshooting "focus outline missing", "aria-label required", "insufficient contrast".
azure-auth
Provides a complete implementation guide for Microsoft Entra ID authentication in React SPAs using MSAL.js, with backend token validation in Cloudflare Workers using the jose library. Covers common pitfalls like AADSTS50058 loops, Safari cookie issues, and multi-tenant configurations. Includes migration guidance for ADAL retirement and Azure AD B2C sunset.
supabase-usage
This skill provides practical guidance for working with Supabase databases, covering auth flows, RLS policies, table relationships, and query optimization. It includes specific examples for JavaScript and Python SDKs, common filter patterns, and pagination techniques. The documentation references detailed examples for authentication, security, and query patterns.