Database
Database management and queries
langgraph-state-management
by Lubu-Labs
Design state schemas, implement reducers, configure persistence, and debug state issues for LangGraph applications. Use when users want to (1) design or define state schemas for LangGraph graphs, (2) implement reducer functions for state accumulation, (3) configure persistence with checkpointers (InMemorySaver/MemorySaver, SqliteSaver, PostgresSaver), (4) debug state update issues or unexpected state behavior, (5) migrate state schemas between versions, (6) validate state schema structure, (7) choose between TypedDict and MessagesState patterns, (8) implement custom reducers for lists, dicts, or sets, (9) use the Overwrite type to bypass reducers, (10) set up thread-based persistence for multi-turn conversations, or (11) inspect checkpoints for debugging.
asset-inventory
by BagelHole
Maintain IT asset inventory and configuration management database. Track hardware, software, and cloud resources. Use when managing IT assets.
laravel-mcp
by rawveg
Laravel v12 - The PHP Framework For Web Artisans (project, gitignored)
laravel-cashier-paddle
by rawveg
Laravel Cashier (Paddle) - Subscription billing and payment processing
convex-best-practices
by waynesutton
Guidelines for building production-ready Convex apps covering function organization, query patterns, validation, TypeScript usage, error handling, and the Zen of Convex design philosophy
convex-functions
by waynesutton
Writing queries, mutations, actions, and HTTP actions with proper argument validation, error handling, internal functions, and runtime considerations
convex
by waynesutton
Umbrella skill for all Convex development patterns. Routes to specific skills like convex-functions, convex-realtime, convex-agents, etc.
convex-schema-validator
by waynesutton
Defining and validating database schemas with proper typing, index configuration, optional fields, unions, and migration strategies for schema changes
convex-component-authoring
by waynesutton
How to create, structure, and publish self-contained Convex components with proper isolation, exports, and dependency management
convex-migrations
by waynesutton
Schema migration strategies for evolving applications including adding new fields, backfilling data, removing deprecated fields, index migrations, and zero-downtime migration patterns
supabase
by nth5693
Database, auth, and backend expertise for Supabase operations in [PROJECT_NAME]
auth-setup
by get-convex
Set up Convex authentication with proper user management, identity mapping, and access control patterns. Use when implementing auth flows.
schema-builder
by get-convex
Design and generate Convex database schemas with proper validation, indexes, and relationships. Use when creating schema.ts or modifying table definitions.
kotlin-coding-standards
by williamzujkowski
Master Kotlin coding standards with null safety, coroutines, and idiomatic patterns. Use when developing JVM/Android applications requiring type-safe async programming.
data-quality
by williamzujkowski
'Core Principles:'
sql
by williamzujkowski
Sql standards for sql in Database environments. Covers best practices,
nosql
by williamzujkowski
Nosql standards for nosql in Database environments. Covers best practices,
dhh-rails-style
by ratacat
This skill should be used when writing Ruby and Rails code in DHH's distinctive 37signals style. It applies when writing Ruby code, Rails applications, creating models, controllers, or any Ruby file. Triggers on Ruby/Rails code generation, refactoring requests, code review, or when the user mentions DHH, 37signals, Basecamp, HEY, or Campfire style. Embodies REST purity, fat models, thin controllers, Current attributes, Hotwire patterns, and the "clarity over cleverness" philosophy.
microservices-patterns
by NickCrew
Comprehensive microservices architecture patterns covering service decomposition, communication, data management, and resilience strategies. Use when designing distributed systems, breaking down monoliths, or implementing service-to-service communication.
database-design-patterns
by NickCrew
Database schema design patterns and optimization strategies for relational and NoSQL databases. Use when designing database schemas, optimizing query performance, or implementing data persistence layers at scale.
legacy-modernization
by NickCrew
Modernize legacy systems using proven migration patterns like strangler fig, feature flags, and incremental refactoring. Use when planning system migrations, modernizing monoliths, or managing technical debt.
event-driven-architecture
by NickCrew
Event-driven architecture patterns with event sourcing, CQRS, and message-driven communication. Use when designing distributed systems, microservices communication, or systems requiring eventual consistency and scalability.
cqrs-event-sourcing
by NickCrew
CQRS and Event Sourcing patterns for scalable, auditable systems with separated read/write models. Use when building audit-required systems, implementing temporal queries, or designing high-scale applications with complex domain logic.
ai-engineer
by kriscard
"AI/LLM: Use when building RAG pipelines, vector search, LLM integrations, or agent orchestration. NOT for general backend or API development."