Database
Database management and queries
data_visualization
by vuralserhat86
Generate data visualizations, plots, and charts. Analyzes data structure to select optimal visualization types. supports bar charts, line graphs, and scatter plots for clarity.
event_driven
by vuralserhat86
Structure systems around asynchronous, event-based communication to decouple producers and consumers for improved scalability and resilience. Use when building loosely coupled systems with asynchronous message-based communication.
better_auth
by vuralserhat86
The ultimate authentication and authorization skill. Implement login, signin, signup, registration, OAuth, 2FA, MFA, passkeys, and user session management. Secure your application with RBAC and access control.
database_design
by vuralserhat86
Schema tasarımı, migration stratejileri, indexing, query optimization ve database best practices.
data_transform
by vuralserhat86
Transform raw data into analytical assets using ETL/ELT patterns, SQL (dbt), Python (pandas/polars/PySpark), and orchestration (Airflow). Use when building data pipelines, implementing incremental models, migrating from pandas to polars, or orchestrating multi-step transformations with testing and quality checks.
database_migration
by vuralserhat86
Execute database migrations across ORMs and platforms with zero-downtime strategies, data transformation, and rollback procedures. Use when migrating databases, changing schemas, performing data transformations, or implementing zero-downtime deployment strategies.
rails-ai:models
by zerobearing2
Use when designing Rails models - ActiveRecord patterns, validations, callbacks, scopes, associations, concerns, query objects, form objects
rails-ai:debugging-rails
by zerobearing2
Use when debugging Rails issues - provides Rails-specific debugging tools (logs, console, byebug, SQL logging) integrated with systematic debugging process
Maintaining Consistent Abstractions
by obra
Class interfaces present one cohesive abstraction - don't mix domain logic with serialization, persistence, or unrelated concerns
rails-ai:jobs
by zerobearing2
Use when setting up background jobs, caching, or WebSockets - SolidQueue, SolidCache, SolidCable (TEAM RULE #1 - NEVER Sidekiq/Redis)
Encapsulating Complexity
by obra
Hide implementation details behind interfaces - work at domain level (what), not implementation level (how)
java-spring-framework
by AyrtonAldayr
Senior Java & Spring Boot 4 / Spring Framework 7 architect skill for 2026-standard development. Use when the user asks to build, scaffold, design, review, or explain Java applications using Spring Boot 4.x, Spring Framework 7.x, Spring Modulith, or any related Spring ecosystem project. Triggers include: creating REST APIs, designing microservices, configuring data access (JdbcClient, JPA 3.2, R2DBC), reactive programming (WebFlux), security (Spring Security 7), observability, GraalVM native images, Gradle/Maven build configuration, Jakarta EE 11 migration, and any task requiring idiomatic modern Java (Java 25: records, sealed classes, structured concurrency, scoped values, pattern matching, JSpecify null safety).
swiftdata-expert-skill
by vanab
Expert guidance for designing, implementing, migrating, and debugging SwiftData persistence in Swift and SwiftUI apps. Use when working with @Model schemas, @Relationship/@Attribute rules, Query or FetchDescriptor data access, ModelContainer/ModelContext configuration, CloudKit sync, SchemaMigrationPlan/history APIs, ModelActor concurrency isolation, or Core Data to SwiftData adoption/coexistence.
architecture
by xfstudio
Architectural decision-making framework. Requirements analysis, trade-off evaluation, ADR documentation. Use when making architecture decisions or analyzing system design.
java-jpa-hibernate
by pluginagentmarketplace
Master JPA/Hibernate - entity design, queries, transactions, performance optimization
excalidraw
by kcchien
Create professional diagrams and visualizations using Excalidraw JSON format. Specialized for IT architecture diagrams, flowcharts, network topology, system design, microservices, ER diagrams, and state machines. Includes curated color palettes and visual styles. Use when working with .excalidraw files, or when user mentions diagrams, flowcharts, architecture visualization, or drawing. Delegates to subagents to prevent context exhaustion from verbose JSON.
astro
by oakoss
Astro web framework patterns for content-driven sites. Covers content collections with Zod schemas and loaders, island architecture with selective hydration directives, view transitions with ClientRouter, server-side and hybrid rendering modes, server islands, Astro DB with astro:db, middleware with onRequest, and framework integrations (React, Svelte, Vue). Use when building content-driven websites, configuring island hydration strategies, setting up view transitions, choosing between static and server rendering, integrating UI framework components, defining content collection schemas, or adding middleware.
knowledge-graph-builder
by oakoss
Implements knowledge graphs for AI-enhanced relational knowledge. Covers ontology design, graph database selection (Neo4j, Neptune, ArangoDB, TigerGraph), entity extraction, hybrid graph-vector architecture, query patterns, and AI integration. Use when implementing knowledge graphs, designing ontologies, extracting entities and relationships, selecting a graph database, or building hybrid graph-vector search. Use for knowledge graph, ontology design, entity resolution, graph RAG, hallucination detection. For architecture selection and governance, use the knowledge-base-manager skill. For document retrieval pipelines, use the rag-implementer skill.
drizzle-orm
by oakoss
'Drizzle ORM for type-safe SQL with PostgreSQL, MySQL, and SQLite. Use when defining schemas, writing queries, managing relations, running migrations, or using drizzle-kit. Use for drizzle, orm, schema, query, migration, pgTable, relations, drizzle-kit, drizzle-zod.'
electricsql
by oakoss
ElectricSQL real-time Postgres sync engine using Shapes for partial replication. Covers ShapeStream API, React hooks, where clause filtering, column selection, auth proxy patterns, and progressive write strategies from online-only to through-the-database. Use when setting up ElectricSQL, configuring Postgres sync, implementing shape-based data loading, building auth proxies for shapes, or choosing write patterns for local-first apps with Electric.
arktype-validation
by oakoss
'ArkType runtime validation with TypeScript-native syntax. Type-safe schemas using string expressions, morphs, scopes, and generics. Includes ArkEnv for typesafe environment variable validation with auto-coercion and Vite plugin. Use when defining schemas, validating data, transforming input, building type-safe APIs with ArkType, or validating environment variables with ArkEnv.'
better-auth
by oakoss
Self-hosted TypeScript auth framework with social auth, 2FA, passkeys, organizations, RBAC, and 15+ plugins. Supports Drizzle/Prisma/Kysely adapters. Self-hosted alternative to Clerk/Auth.js. Use when: configuring auth, adding plugins, social OAuth, multi-tenant SaaS, organizations with teams and RBAC, two-factor authentication (TOTP/OTP/backup codes), email verification, password reset flows, session management, rate limiting, CSRF and cookie security, Expo/mobile, D1 adapter errors, TanStack Start integration, additionalFields bugs, admin plugin, migrating from NextAuth, migrating from Clerk, migrating from Supabase Auth, or troubleshooting auth issues.
deployment-strategy
by oakoss
Deployment strategy patterns for zero-downtime releases. Covers blue-green, canary, rolling, and recreate strategies with rollback procedures, health checks, feature flags, progressive delivery, and environment promotion workflows. Use when choosing a deployment strategy, implementing rollback procedures, configuring health checks, setting up environment promotion pipelines, planning progressive delivery with feature flags, or reducing blast radius during releases.
database-security
by oakoss
'Database security auditor specialized in Row Level Security (RLS) enforcement, Zero-Trust database architecture, and forensic audit trails. Covers Supabase RLS policies, Postgres security, Convex auth guards, PGAudit configuration, JIT access controls, and database-specific compliance validation. Use when auditing database access policies, implementing RLS in Supabase or Postgres, configuring Convex auth guards, setting up audit logging, reviewing database security, or validating database-level compliance requirements.'