数据库
数据库管理与查询
data-client-schema
reactive
Define data schemas - Entity, Collection, Union, Query, pk/primary key, normalize/denormalize, relational/nested data, polymorphic types, Invalidate, Values
data-client-rest
reactive
Define REST APIs with @data-client/rest - resource(), RestEndpoint, CRUD, GET/POST/PUT/DELETE, HTTP fetch, normalize, cache, urlPrefix, path parameters
data-client-react
reactive
Use @data-client/react hooks - useSuspense, useQuery, useCache, useLive, useDLE, useSubscription, useController for fetch/mutations, DataProvider, AsyncBoundary, useLoading, useDebounce
aid-finances
nweii
"Expert financial guidance for budgeting, investments, and retirement planning. Use for analyzing market strategies, debt management, or general personal finance questions."
adapter-guide
MaterializeInc
This skill should be used when the user works on the adapter layer, coordinator, pgwire, frontend peek path, peek client, timestamp oracle, batching oracle, or related crates. Trigger when the user mentions or edits files in src/adapter/, src/pgwire/, src/timestamp-oracle/, or mentions frontend, coordinator, read holds, timestamp selection, timestamp oracle, batching oracle, or query sequencing.
jpa-patterns
Ashfaqbs
JPA/Hibernate patterns for entity design, relationships, query optimization, transactions, auditing, indexing, pagination, and pooling in Spring Boot.
ecto-essentials
j-morgan6
MANDATORY for ALL database work. Invoke before modifying schemas, queries, or migrations.
rag
giuseppe-trisciuoglio
Provides patterns to build Retrieval-Augmented Generation (RAG) systems for AI applications with vector databases and semantic search. Use when implementing knowledge-grounded AI, building document Q&A systems, or integrating LLMs with external knowledge bases.
aws-rds-spring-boot-integration
giuseppe-trisciuoglio
Provides patterns to configure AWS RDS (Aurora, MySQL, PostgreSQL) with Spring Boot applications. Use when setting up datasources, connection pooling, security, and production-ready database configuration.
langchain4j-rag-implementation-patterns
giuseppe-trisciuoglio
Provides Retrieval-Augmented Generation (RAG) implementation patterns with LangChain4j. Handles document ingestion pipelines, embedding stores, vector search strategies, and knowledge-enhanced AI applications. Use when creating question-answering systems over document collections or AI assistants with external knowledge bases.
spring-data-jpa
giuseppe-trisciuoglio
Provides patterns to implement persistence layers with Spring Data JPA. Use when creating repositories, configuring entity relationships, writing queries (derived and @Query), setting up pagination, database auditing, transactions, UUID primary keys, multiple databases, and database indexing.
astro
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
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.
electricsql
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
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.'
deployment-strategy
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
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.'
destructive-command-guard
oakoss
'Blocks dangerous commands before execution via a Rust-based Claude Code hook. Use when configuring agent safety guards, setting up destructive command blocking, or auditing CLI protection rules. Use for git reset protection, rm -rf interception, force-push blocking, pack-based command filtering, and PreToolUse hook safety.'
cloudflare
oakoss
'Cloudflare Workers, KV, D1, R2, Pages, and Wrangler CLI. Use when deploying to the edge, configuring Workers, managing storage bindings, or setting up Cloudflare Pages.'
local-first
oakoss
Local-first architecture decision framework for web applications. Covers when to go local-first vs server-based vs hybrid, sync engine selection (ElectricSQL, Zero, PowerSync, Replicache, LiveStore, Triplit), client-side storage options (IndexedDB, OPFS, SQLite WASM, PGlite), and conflict resolution strategies (LWW, CRDTs, server-wins, field-level merge). Use when deciding whether to adopt local-first architecture, choosing a sync engine, selecting client storage, or designing conflict resolution strategies.
db-enforcer
oakoss
'Enforces database integrity for PostgreSQL and Prisma systems. Use when designing schemas, writing migrations, or configuring Row-Level Security. Use for type-safe SQL, naming alignment, constraint validation, zero-trust RLS policies, UUIDv7 primary keys, and zero-downtime deployments.'
spring-boot-saga-pattern
giuseppe-trisciuoglio
Provides distributed transaction patterns using the Saga Pattern in Spring Boot microservices. Use when building microservices requiring transaction management across multiple services, handling compensating transactions, ensuring eventual consistency, or implementing choreography or orchestration-based sagas with Spring Boot, Kafka, or Axon Framework.
postgis-skill
postgis
PostGIS-focused SQL tips, tricks and gotchas. Use when in need of dealing with geospatial data in Postgres.
aws-sdk-java-v2-dynamodb
giuseppe-trisciuoglio
Provides Amazon DynamoDB patterns using AWS SDK for Java 2.x. Use when creating, querying, scanning, or performing CRUD operations on DynamoDB tables, working with indexes, batch operations, transactions, or integrating with Spring Boot applications.