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This document captures learnings from fixing keyboard navigation issues when floating components (Select, DropdownMenu, Popover) have CSS open/close animations.

Claude Code plugins follow a standardized directory structure with automatic component discovery. Understanding this structure enables creating well-organized, maintainable plugins that integrate seam

Best practices for building Stripe integrations. Use when implementing payment processing, checkout flows, subscriptions, webhooks, Connect platforms, or any Stripe API integration.

Write a bot to continuously listen and respond to events on a public blockchain network.

Bumps a blocklet project version and creates a release bundle.

This skill teaches agents how to assess task complexity, enforce quality gates, and prevent wasted work on incomplete or poorly-defined tasks. Inspired by production-grade development practices, qu...

Use this skill when implementing security measures or conducting security audits. Provides OWASP Top 10 mitigations, authentication patterns, input validation strategies, and compliance guidelines. Ensures applications are secure against common vulnerabilities.

Implement real-time data streaming with Server-Sent Events (SSE), WebSockets, and ReadableStream APIs. Master backpressure handling, reconnection strategies, and LLM streaming for 2025+ real-time applications.

Achieve end-to-end type safety with Zod runtime validation, tRPC type-safe APIs, Prisma ORM, and TypeScript 5.7+ features. Build fully type-safe applications from database to UI for 2025+ development.

Add new HTTP endpoints to Catalyst-Relay server. Use when creating routes, API endpoints, or HTTP handlers.

Next.js 16+ uses App Router with Server Components by default. Client Components are only used when interactivity is needed (hooks, event handlers, browser APIs).

All TypeScript types are defined in `frontend/types/index.ts`. Types match backend API response structure and provide type safety across the frontend application.

Neon PostgreSQL serverless database - connection pooling, branching, serverless driver, and optimization. Use when deploying to Neon or building serverless applications.

researching-with-deepwiki

streaming-llm-responses

working-with-spreadsheets

Pointers for Copilot/agents to apply Perigon conventions

Perigon ASP.NET Core + EF Core + Aspire conventions

Systematically analyze codebase structure, complexity, dependencies, and architectural patterns to understand project organization

Create distinctive, production-grade frontend interfaces with exceptional design quality. Use when building web components, pages, or applications that need creative, polished aesthetics.

Skill for managing model provider priorities with authentication (OAuth/Subscription/API), usage limits, and automatic fallback across all major AI providers

Use when working with the WordPress Abilities API (wp_register_ability, wp_register_ability_category, /wp-json/wp-abilities/v1/*, @wordpress/abilities) including defining abilities, categories, meta, REST exposure, and permissions checks for clients.

api-client

chatkit-widget

db-connection

error-handling

fastapi-app

sqlmodel-crud

Modern authentication and security patterns for web applications. Expert in JWT tokens, OAuth2 flows, session management, RBAC, MFA, API security, and zero-trust architectures. Framework-agnostic patterns that work with any tech stack.

Master containerization and orchestration with security-first approach. Expert in Docker multi-stage builds, Kubernetes zero-trust deployments, security hardening, GitOps workflows, and production-ready patterns for cloud-native applications. Includes 2025 best practices from CNCF and major cloud providers.

Generic Event-Driven Architecture patterns with Kafka, Dapr, and modern messaging systems. Provides reusable patterns for building scalable, resilient event-driven microservices. Framework-agnostic implementation supporting multiple message brokers, state stores, and event patterns. Follows 2025 best practices for distributed systems.

Guide for creating Claude Code skills following Anthropic's official best practices. Use when user wants to create a new skill, build a skill, write SKILL.md, or needs skill creation guidelines. Provides structure, naming conventions, description writing, and quality checklist.

Manages expansion of tokens, pools, chains, networks, and DEXes across the codebase. Use when adding new tokens, protocols, chains, networks, or updating existing DeFi registry data. Triggers on add token, new coin, add protocol, new DEX, add chain, new network, add RPC, update address.

Drizzle ORM patterns for PostgreSQL.

Next.js 15 App Router patterns and best practices.

Each project card should show the current month's API costs with a small trend indicator (up/down arrow).

Comprehensive React 19 patterns including all hooks, Server/Client Components, Suspense, streaming, and transitions. Ensures correct React 19 usage with TypeScript.

Upstash Redis patterns for caching and rate limiting.

TanStack Query + Zustand patterns.

Executive coaching skill that helps you plan your 2026 using research-backed process goals. Guides you through discovery questions, creates outcome goals, converts them to daily behaviors, and sets up accountability systems. Use when you want to plan your year, set goals, or need a coach to help you stay focused.

Problem validation and solution design. Use when discovering customer problems, generating solution hypotheses, or defining MVP scope.

Use when the user asks for recommendations, next steps, best approaches, or “what should I do” guidance to achieve a goal or fix a problem.

Plan lifecycle management for Codex plans stored in $CODEX_HOME/plans (default ~/.codex/plans). Use when a user asks to create, find, read, update, delete, or manage plan documents for implementation work or overview/reference documentation.

REST API design best practices for consistent, intuitive APIs

Skill for creating auth layers in TypeScript/JavaScript apps using Better Auth.

Guide for creating beautiful Mermaid diagrams with proper styling for GitHub markdown (dark/light mode compatible, no icons).

Run PostgreSQL queries and meta-commands via CLI

Manage tmux sessions for interactive background processes