Database
Database management and queries
pragmatic-programmer
by wondelai
'Apply meta-principles of software craftsmanship: DRY, orthogonality, tracer bullets, and design by contract. Use when the user mentions "best practices", "pragmatic approach", "broken windows", "tracer bullet", or "software craftsmanship". Covers estimation, domain languages, and reversibility. For code-level quality, see clean-code. For refactoring techniques, see refactoring-patterns.'
ring:infrastructure-cost-estimation
by LerianStudio
Orchestrates infrastructure cost estimation with tier-based or custom TPS sizing. Offers pre-configured tiers (Starter/Growth/Business/Enterprise) or custom TPS input. Skill discovers components, asks shared/dedicated for EACH, selects environment(s), reads actual Helm chart configs, then dispatches agent for accurate calculations.
ReasoningBank with AgentDB
by ruvnet
"Implement ReasoningBank adaptive learning with AgentDB's 150x faster vector database. Includes trajectory tracking, verdict judgment, memory distillation, and pattern recognition. Use when building self-learning agents, optimizing decision-making, or implementing experience replay systems."
godot-2d-physics
by thedivergentai
"Expert patterns for Godot 2D physics including collision layers/masks, Area2D triggers, raycasting, and PhysicsDirectSpaceState2D queries. Use when implementing collision detection, trigger zones, line-of-sight systems, or manual physics queries. Trigger keywords: CollisionShape2D, CollisionPolygon2D, collision_layer, collision_mask, set_collision_layer_value, set_collision_mask_value, Area2D, body_entered, body_exited, RayCast2D, force_raycast_update, PhysicsPointQueryParameters2D, PhysicsShapeQueryParameters2D, direct_space_state, move_and_collide, move_and_slide."
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."
godot-3d-materials
by thedivergentai
"Expert patterns for Godot 3D PBR materials using StandardMaterial3D including albedo, metallic/roughness workflows, normal maps, ORM texture packing, transparency modes, and shader conversion. Use when creating realistic 3D surfaces, PBR workflows, or material optimization. Trigger keywords: StandardMaterial3D, BaseMaterial3D, albedo_texture, metallic, metallic_texture, roughness, roughness_texture, normal_texture, normal_enabled, orm_texture, transparency, alpha_scissor, alpha_hash, cull_mode, ShaderMaterial, shader parameters."
godot-genre-shooter
by thedivergentai
"Expert blueprint for FPS/TPS shooter games (Call of Duty, Counter-Strike, Apex Legends, Fortnite) covering weapon systems, recoil patterns, hitscan vs projectile, aim assist, multiplayer prediction, and gunplay feel. Use when building competitive shooters, battle royales, or tactical FPS games requiring responsive combat. Keywords hitscan, recoil pattern, aim assist, client prediction, weapon archetype, projectile physics, hit registration."
backend-development
by skillcreatorai
Backend API design, database architecture, microservices patterns, and test-driven development. Use for designing APIs, database schemas, or backend system architecture.
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.
docker-patterns
by affaan-m
Docker and Docker Compose patterns for local development, container security, networking, volume strategies, and multi-service orchestration.
documentation-lookup
by affaan-m
Use up-to-date library and framework docs via Context7 MCP instead of training data. Activates for setup questions, API references, code examples, or when the user names a framework (e.g. React, Next.js, Prisma).
python-testing
by affaan-m
Python testing strategies using pytest, TDD methodology, fixtures, mocking, parametrization, and coverage requirements.
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).
jpa-patterns
by affaan-m
JPA/Hibernate patterns for entity design, relationships, query optimization, transactions, auditing, indexing, pagination, and pooling in Spring Boot.
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."
clickhouse-io
by affaan-m
ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.
postgres-patterns
by affaan-m
PostgreSQL database patterns for query optimization, schema design, indexing, and security. Based on Supabase best practices.
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.
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.
airtable-automation
by davepoon
"Automate Airtable tasks via Rube MCP (Composio): records, bases, tables, fields, views. Always search tools first for current schemas."
authoring-claude-md
by sammcj
Creating and maintaining CLAUDE.md project memory files that provide non-obvious codebase context. Use when (1) creating a new CLAUDE.md for a project, (2) adding architectural patterns or design decisions to existing CLAUDE.md, (3) capturing project-specific conventions that aren't obvious from code inspection.
AgentDB Vector Search
by Microck
"Implement semantic vector search with AgentDB for intelligent document retrieval, similarity matching, and context-aware querying. Use when building RAG systems, semantic search engines, or intelligent knowledge bases."
better-auth
by Microck
Implement authentication and authorization with Better Auth - a framework-agnostic TypeScript authentication framework. Features include email/password authentication with verification, OAuth providers (Google, GitHub, Discord, etc.), two-factor authentication (TOTP, SMS), passkeys/WebAuthn support, session management, role-based access control (RBAC), rate limiting, and database adapters. Use when adding authentication to applications, implementing OAuth flows, setting up 2FA/MFA, managing user sessions, configuring authorization rules, or building secure authentication systems for web applications.
angular-migration
by Microck
Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning framework migrations, or modernizing legacy Angular code.