Database
Database management and queries
audience-impact
by inkeep
Who does this change affect and how does it reach them? Maps audiences (roles × deployment modes) to impact propagation — immediate, next-publish, next-deploy, or silent. Use when planning, implementing, or reviewing a change to understand blast radius by audience. Complements product-surface-areas and internal-surface-areas (which catalog what exists; this skill tells you who cares). Triggers: who is affected, blast radius, breaking change, audience, persona, impact analysis, changeset needed, docs needed.
domain-driven-design
by yonatangross
Domain-Driven Design tactical patterns for complex business domains. Use when modeling entities, value objects, domain services, repositories, or establishing bounded contexts.
cron
by iOfficeAI
Scheduled task management - create, query, delete scheduled tasks to automatically execute operations at specified times.
django-verification
by affaan-m
"Verification loop for Django projects: migrations, linting, tests with coverage, security scans, and deployment readiness checks before release or PR."
python-testing
by affaan-m
Python testing strategies using pytest, TDD methodology, fixtures, mocking, parametrization, and coverage requirements.
android-clean-architecture
by affaan-m
Clean Architecture patterns for Android and Kotlin Multiplatform projects — module structure, dependency rules, UseCases, Repositories, and data layer patterns.
godot-genre-horror
by thedivergentai
"Expert blueprint for horror games including tension pacing (sawtooth wave: buildup/peak/relief), Director system (macro AI controlling pacing), sensory AI (vision/sound detection), sanity/stress systems (camera shake, audio distortion), lighting atmosphere (volumetric fog, dynamic shadows), and \"dual brain\" AI (cheating director + honest senses). Use for psychological horror, survival horror, or atmospheric games. Trigger keywords: horror_game, tension_pacing, director_system, sensory_perception, sanity_system, volumetric_fog, AI_reaction_time."
symfony:doctrine-relations
by MakFly
Evolve Symfony Doctrine models and schema safely with integrity, performance, and rollout discipline. Use for doctrine relations tasks.
angular-migration
by benjaminasterA
"Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning framework migrations, or ..."
agent-tool-builder
by benjaminasterA
"Tools are how AI agents interact with the world. A well-designed tool is the difference between an agent that works and one that hallucinates, fails silently, or costs 10x more tokens than necessar..."
codebase-onboarding
by affaan-m
Analyze an unfamiliar codebase and generate a structured onboarding guide with architecture map, key entry points, conventions, and a starter CLAUDE.md. Use when joining a new project or setting up Claude Code for the first time in a repo.
postgres-patterns
by affaan-m
PostgreSQL database patterns for query optimization, schema design, indexing, and security. Based on Supabase best practices.
clickhouse-io
by affaan-m
ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.
microsoft-skill-creator
by github
Create agent skills for Microsoft technologies using Learn MCP tools. Use when users want to create a skill that teaches agents about any Microsoft technology, library, framework, or service (Azure, .NET, M365, VS Code, Bicep, etc.). Investigates topics deeply, then generates a hybrid skill storing essential knowledge locally while enabling dynamic deeper investigation.
database-migrations
by affaan-m
Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL, and common ORMs (Prisma, Drizzle, Django, TypeORM, golang-migrate).
drizzle-orm
by pedronauck
Expert guide for Drizzle ORM best practices, including schema definitions, queries, mutations, transactions, migrations, and performance optimization. Use when working with Drizzle ORM, database schemas, queries, or migrations.
jpa-patterns
by affaan-m
JPA/Hibernate patterns for entity design, relationships, query optimization, transactions, auditing, indexing, pagination, and pooling in Spring Boot.
architecture-decision-records
by affaan-m
Capture architectural decisions made during Claude Code sessions as structured ADRs. Auto-detects decision moments, records context, alternatives considered, and rationale. Maintains an ADR log so future developers understand why the codebase is shaped the way it is.
marketing-ideas
by ognjengt
Produces the best marketing ideas for your business by analyzing your FOUNDER_CONTEXT and matching it against a curated database of 170+ proven marketing strategies. Use when user needs creative, actionable marketing ideas tailored to their business.
scaffolding
by dotnet
'Implementation details for EF Core scaffolding (reverse engineering). Use when changing ef dbcontext scaffold pipeline implementation, database schema reading, CSharpModelGenerator, or related classes.'
system-design
by wondelai
'Design scalable distributed systems using structured approaches for load balancing, caching, database scaling, and message queues. Use when the user mentions "system design", "scale this", "high availability", "rate limiter", or "design a URL shortener". Covers common system designs and back-of-the-envelope estimation. For data fundamentals, see ddia-systems. For resilience, see release-it.'
senior-backend
by alirezarezvani
This skill should be used when the user asks to "design REST APIs", "optimize database queries", "implement authentication", "build microservices", "review backend code", "set up GraphQL", "handle database migrations", or "load test APIs". Use for Node.js/Express/Fastify development, PostgreSQL optimization, API security, and backend architecture patterns.
testing
by dotnet
'Implementation details for EF Core test infrastructure. Use when changing test fixtures, SQL baseline assertions, test helpers, the test class hierarchy, or when adding new tests.'
migrations
by dotnet
'Implementation details for EF Core migrations. Use when changing MigrationsSqlGenerator, model diffing, migration operations, HistoryRepository, the Migrator or related classes.'