Database
Database management and queries
data-science
by htlin222
Data analysis, SQL queries, BigQuery operations, and data insights. Use for data analysis tasks and queries.
cloud
by htlin222
Design AWS/Azure/GCP infrastructure, implement IaC, and optimize costs. Use for cloud architecture, cost optimization, or migration.
graphql
by htlin222
Design GraphQL schemas, resolvers, and federation. Use for GraphQL API design or performance issues.
data-engineer
by htlin222
Build ETL pipelines, data warehouses, and streaming architectures. Use for data pipeline design or analytics infrastructure.
supabase-skill
by tdimino
Configure and manage Supabase projects using MCP (Model Context Protocol). Use this skill when working with Supabase databases, setting up MCP servers, designing database schemas, implementing Row Level Security, managing migrations, or building modern data architectures with PostgreSQL. Essential for Supabase development, database design, and AI-powered database operations.
app-platform-router
by digitalocean-labs
Routes DigitalOcean App Platform tasks to specialized sub-skills. Use when working with App Platform deployments, migrations, database configuration, networking, or troubleshooting.
feature-tracking
by laurigates
"Track feature implementation status against requirements documents. Provides hierarchical FR code tracking, phase management, task tracking, and sync with TODO.md."
tanstack-query-best-practices
by DeckardGer
TanStack Query (React Query) best practices for data fetching, caching, mutations, and server state management. Activate when building data-driven React applications with server state.
java25-springboot4-reviewer
by a-pavithraa
Comprehensive code review for Java 25 and Spring Boot 4 apps. Use when reviewing, checking, auditing, or analyzing Java/Spring Boot code (files, modules, PRs, or full codebases) for migration risks, Spring Boot 4 best practices, JSpecify null-safety, security vulnerabilities, performance bottlenecks, data access pitfalls, architecture boundaries (DDD/Hexagonal/Spring Modulith), or modern Java 25 usage.
database-schema-validator
by rominirani
Validates SQL schema files for compliance with internal safety and naming policies.
webapp-sqlmap
by AgentSecOps
Automated SQL injection detection and exploitation tool for web application security testing. Use when: (1) Testing web applications for SQL injection vulnerabilities in authorized assessments, (2) Exploiting SQL injection flaws to demonstrate impact, (3) Extracting database information for security validation, (4) Bypassing authentication mechanisms through SQL injection, (5) Identifying vulnerable parameters in web requests, (6) Automating database enumeration and data extraction.
tanstack-vue-query-skilld
by harlan-zw
"ALWAYS use when writing code importing \"@tanstack/vue-query\". Consult for debugging, best practices, or modifying @tanstack/vue-query, tanstack/vue-query, tanstack vue-query, tanstack vue query, query."
graphql-codegen
by claude-dev-suite
GraphQL Code Generator for TypeScript. Generates typed operations, hooks, and document nodes from GraphQL schemas. Use for type-safe GraphQL in frontend. USE WHEN: user mentions "GraphQL Codegen", "generate GraphQL types", "GraphQL TypeScript", "typed GraphQL", "client preset", "React Query GraphQL", asks about "GraphQL code generation", "type-safe GraphQL client", "fragment masking" DO NOT USE FOR: REST API types - use openapi-codegen instead; tRPC - use trpc instead; GraphQL schema design - use graphql instead; Manual GraphQL queries without codegen
nestjs
by claude-dev-suite
NestJS enterprise Node.js framework. Covers modules, controllers, services, guards, and dependency injection. Use when building scalable Node.js applications. USE WHEN: user mentions "NestJS", "nest", "@nestjs", "@Module", "@Controller", "@Injectable", asks about "dependency injection in Node.js", "enterprise Node.js framework", "TypeScript backend framework", "decorators in backend", "guards and pipes", "modular Node.js architecture" DO NOT USE FOR: Express (minimalist framework) - use express instead, Fastify (performance-focused) - use fastify instead, Hono (edge runtimes) - use hono instead, Deno frameworks - use oak or fresh instead
mastra
by mastra-ai
"Comprehensive Mastra framework guide. Teaches how to find current documentation, verify API signatures, and build agents and workflows. Covers documentation lookup strategies (embedded docs, remote docs), core concepts (agents vs workflows, tools, memory, RAG), TypeScript requirements, and common patterns. Use this skill for all Mastra development to ensure you're using current APIs from the installed version or latest documentation."
springdoc-openapi
by claude-dev-suite
Springdoc OpenAPI for API documentation in Spring Boot. Covers Swagger UI configuration, annotations, schema customization, and security documentation. Based on production patterns from castellino and gestionale-presenze projects. USE WHEN: user mentions "Springdoc", "Spring Boot OpenAPI", "Swagger in Spring", "@Operation", "@Schema", "Swagger UI Spring", asks about "Spring Boot API documentation", "Spring REST documentation", "OpenAPI in Java" DO NOT USE FOR: General OpenAPI specs - use openapi instead; GraphQL - use graphql instead; Non-Spring Boot projects; Frontend OpenAPI generation - use openapi-codegen instead
schema-auto-tagger
by treasure-data
Automated schema tagging and resource classification for Treasure Data. Detects new tables/columns, analyzes metadata patterns, and suggests appropriate policy tags with confidence scoring. Reduces manual tagging effort by 80% while maintaining compliance standards (GDPR, CCPA, HIPAA, SOX).
typescript-better-auth-best-practices
by jasonraimondi
Skill for integrating Better Auth - the comprehensive TypeScript authentication framework.
trino-optimizer
by treasure-data
TD Trino performance optimization including CTAS (5x faster), UDP bucketing for ID lookups, magic comments for join distribution, REGEXP_LIKE vs LIKE, and approx functions.
vue-test-utils-skilld
by harlan-zw
"ALWAYS use when writing code importing \"@vue/test-utils\". Consult for debugging, best practices, or modifying @vue/test-utils, vue/test-utils, vue test-utils, vue test utils, test-utils, test utils."
get-it-expert
by flutter-it
Expert guidance on get_it service locator and dependency injection for Flutter/Dart. Covers registration (singleton, factory, lazy, async), scopes with shadowing, async initialization with init() pattern, retrieval, testing with scope-based mocking, and production patterns. Use when working with get_it, dependency injection, service registration, scopes, or async initialization.
adk-tool-scaffold
by rominirani
Scaffolds a new custom Tool class for the Agent Development Kit (ADK).
erpnext-errors-database
by OpenAEC-Foundation
"Error handling patterns for ERPNext/Frappe database operations. Use when handling DoesNotExistError, DuplicateEntryError, transaction failures, and query errors. Covers retry patterns and data integrity. V14/V15/V16 compatible. Triggers: database error, DoesNotExistError, DuplicateEntryError, transaction failed, query error."
erpnext-syntax-customapp
by OpenAEC-Foundation
"Deterministic syntax for building Frappe custom apps including app structure, pyproject.toml, modules, patches and fixtures"