Provides theme integration guidelines and CSS variable usage patterns for the Bellog blog. Triggers when creating styled components or working with colors.

BEMRosetta hydrodynamic coefficient converter - AQWA to OrcaFlex workflow with QTF and mesh support

Talk to Ben Heath Youtuber about their expertise. Ben Heath Youtuber provides authentic advice using their mental models, core beliefs, and real-world examples.

Frappe Bench CLI command reference for site management, app management, development, and production operations. Use when running bench commands, managing sites, migrations, builds, or deployments.

Generate mitata benchmark files following project conventions

Suggests which benchmarks to run based on code changes

Measure function performance and compare implementations. Use when optimizing critical code paths.

Guide for benchmarking FlashInfer kernels with CUPTI timing

Create and manage AILANG eval benchmarks. Use when user asks to create benchmarks, fix benchmark issues, debug failing benchmarks, or analyze benchmark results.

Benchmark Neovim startup time and identify slow plugins or configurations

Quick-start command to run SWE-bench Lite evaluation with sensible defaults.

Benchmark HBF performance using Apache Bench (ab). Measures static asset serving, versioned filesystem operations, and QuickJS runtime routes. Maintains historical data for performance tracking over time.

Benchmarking and competitive analysis techniques. Compares performance, processes, and practices against industry standards, competitors, and best-in-class organizations.

Expert UI/UX design guidance for unique, accessible interfaces. Use for visual decisions, colors, typography, layouts. Always ask before making design decisions. Use this skill when the user asks to build web components, pages, or applications.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

AI-powered GitHub issue automation

You are an expert writer who embodies Ben Swift's distinctive voice---a blend of

BentoML skill for model packaging, serving, and containerization.

[Dev] Extracts and organizes best practices for a given topic into a minimal tree structure (max depth 3, max 5 children per node). Use during task planning when writing subtasks in Docs/{name}_Task.md - output is added under each subtask as a concise reference guide. Pure reasoning task with strict formatting rules: keywords/noun phrases only, no prose. (project)

Checks code for best practice violations including DRY violations, SOLID principles, error handling patterns, testing practices, documentation standards, and version control practices. Returns structured best practice reports with improvement suggestions.

Specifies best practices, including following RESTful API design principles, implementing responsive design, using Zod for data validation, and regularly updating dependencies. This rule promotes mode

You are a research expert specializing in finding and synthesizing best practices from external sources. Your goal is to gather comprehensive information from official documentation, community standar

Provides language-specific best practices, code quality standards, and framework detection for refactoring workflows

Enables Claude to browse Best Buy products, manage lists, and track orders

Navigate creative blocks using the Arcanean Bestiary - a taxonomy of psychological obstacles every creator faces, with naming rituals and navigation protocols for each creature type

Activate a beta feature using an activation code

Use when fixing issues identified in beta tester feedback. Guides systematic root cause analysis, worktree-based fixes, regression testing, and release preparation. Invoke with structured beta reports or issue lists.

View your activated beta features and their status

Build and upload iOS app to TestFlight

Integrate Better Auth for JWT-based authentication in Next.js frontend and FastAPI backend. Handles signup, login, logout, token management, and protected routes. Use when implementing authentication for Phase 2.

Expert skill for implementing Better Auth with JWT tokens and JWKS (JSON Web Key Set) for secure authentication between Next.js frontend and FastAPI backend. Handles JWT token generation, verification, JWKS endpoint setup, and secure API communication. Includes setup for database integration, session management, and user isolation. Use when implementing authentication between frontend (Next.js) and backend (FastAPI) services with JWT tokens and JWKS.

Add a complete account settings page with profile editing, password changes, email updates, session management, and account deletion.

Add server-side route protection to enforce authentication on specific pages while keeping others public.

Better Auth JWT verification for Python/FastAPI backends. Use when integrating Python APIs with a Better Auth TypeScript server via JWT tokens. Covers JWKS verification, FastAPI dependencies, SQLModel/SQLAlchemy integration, and protected routes.

Guide implementation of OAuth 2.1 / OIDC authentication using Better Auth with the OIDC Provider plugin. Use this skill when setting up centralized authentication for multiple apps, implementing SSO across a platform, creating an OAuth authorization server, or integrating Better Auth as an identity provider. Covers PKCE for public clients, JWKS configuration, token management, email verification, and common pitfalls like preserving PKCE parameters during sign-in redirects.

Expert Better Auth skill with production best practices, session management, security hardening, and deployment optimization. Use with Better Auth MCP server.

Integrate with Better Auth SSO for OAuth2/OIDC authentication. Use this skill when implementing SSO login flows, PKCE authentication, token management, JWKS verification, or global logout in Next.js applications connecting to a Better Auth server.

Better Auth TypeScript/JavaScript authentication library. Use when implementing auth in Next.js, React, Express, or any TypeScript project. Covers email/password, OAuth, JWT, sessions, 2FA, magic links, social login with Next.js 16 proxy.ts patterns.

Production-ready authentication system using Better Auth v2 with latest features. Includes OAuth providers, advanced RBAC, multi-tenant support, and security best practices.

TypeScript authentication framework (framework-agnostic). Features: email/password, OAuth (Google, GitHub, Discord), 2FA (TOTP, SMS), passkeys/WebAuthn, session management, RBAC, rate limiting, database adapters. Actions: implement, configure, secure authentication systems. Keywords: Better Auth, authentication, authorization, OAuth, email/password, 2FA, MFA, TOTP, passkeys, WebAuthn, session management, RBAC, rate limiting, database adapter, TypeScript auth, social login, Google auth, GitHub auth, Discord auth, email verification, password reset. Use when: implementing TypeScript auth, adding OAuth providers, setting up 2FA/MFA, managing sessions, configuring RBAC, building secure auth systems.

Bug-fixing workflow that starts by writing a failing test to reproduce the bug, then uses subagents to propose fixes and verifies with passing tests. Use when a user reports a bug, asks to fix a bug, or wants a regression test first.

better-chatbot-patterns

Reusable better-chatbot patterns for custom deployments. Use for server action validators, tool abstraction, multi-AI providers, or encountering auth validation, FormData parsing, workflow execution errors.

better-chatbot project conventions and standards. Use for contributing code, following three-tier tool system (MCP/Workflow/Default), or encountering server action validators, repository patterns, component design errors.

Build SKILL.md files for Claude Code, Codex, Amp, OpenCode. Production examples and patterns for skill structure, scripts, distribution, and making CLI tools AI-native.

Handles user authentication, profile management, and personalized features using BetterAuth for the Physical AI & Humanoid Robotics textbook.

Use when user says /betterdisplay or wants to change display resolution settings and sync to dotfiles

View automated portfolio, track goals, monitor cash reserve, and check tax coordination on Betterment

Details the core betting strategy, including edge calculation, sport-specific thresholds, Kelly Criterion sizing, and portfolio optimization.

Data-driven game engine with ECS architecture.