Database
Database management and queries
postgres
by wcygan
PostgreSQL best practices, query optimization, connection troubleshooting, and performance improvement. Load when working with Postgres databases.
deep-dive
by wcygan
Deep dive into a codebase to understand specific topics, patterns, or implementations. Spawns parallel agents with distinct investigation strategies (breadth-first mapping, depth-first tracing, optional history/boundary analysis) then synthesizes findings into a layered summary. Use for understanding how something works, exploring unfamiliar code, or building a mental model of a large system. Keywords: deep dive, explore, understand, how does, architecture, codebase exploration, trace, investigate, mental model
mysql
by wcygan
Plan and review MySQL/InnoDB schema, indexing, query tuning, transactions, and operations. Use when creating or modifying MySQL tables, indexes, or queries; diagnosing slow/locking behavior; planning migrations; or troubleshooting replication and connection issues. Load when using a MySQL database.
migration-team
by wcygan
Stakeholders satisfied with outcome
code-review
by OpenHands
Structured code review covering style, readability, and security concerns with actionable feedback. Use when reviewing pull requests or merge requests to identify issues and suggest improvements.
vm-snapshot-create
by RHEcosystemAppEng
Create virtual machine snapshots for backup and recovery with comprehensive storage backend analysis. Use when: - "Create a snapshot of VM [name]" - "Backup VM [name] before upgrade" - "Take a snapshot of [vm]" Analyzes storage capabilities, guest agent status, and consistency guarantees before creating snapshots. NOT for VM cloning (use vm-clone to create independent copies).
howto-develop-with-postgres
by ed3dai
Use when writing database access code, creating schemas, or managing transactions with PostgreSQL - enforces transaction safety with TX_ naming, read-write separation, type safety for UUIDs/JSONB, and snake_case conventions to prevent data corruption and type errors
literature-search
by lingzhi227
Search academic literature using Semantic Scholar, arXiv, and OpenAlex APIs. Returns structured JSONL with title, authors, year, venue, abstract, citations, and BibTeX. Use when the user needs to find papers, check related work, or build a bibliography.
sql-translation
by tidyverse
Guide for adding SQL function translations to dbplyr backends. Use when implementing new database-specific R-to-SQL translations for functions like string manipulation, date/time, aggregates, or window functions.
sql-research
by tidyverse
Guide for researching SQL syntax and behavior for database backends. Use when you need to research how a SQL function, command, or feature works in a specific database before implementing it in dbplyr.
context7
by intellectronica
Retrieve up-to-date documentation for software libraries, frameworks, and components via the Context7 API. This skill should be used when looking up documentation for any programming library or framework, finding code examples for specific APIs or features, verifying correct usage of library functions, or obtaining current information about library APIs that may have changed since training.
mongodb
by hoodini
Work with MongoDB databases using best practices. Use when designing schemas, writing queries, building aggregation pipelines, or optimizing performance. Triggers on MongoDB, Mongoose, NoSQL, aggregation pipeline, document database, MongoDB Atlas.
building-storefronts
by medusajs
Load automatically when planning, researching, or implementing Medusa storefront features (calling custom API routes, SDK integration, React Query patterns, data fetching). REQUIRED for all storefront development in ALL modes (planning, implementation, exploration). Contains SDK usage patterns, frontend integration, and critical rules for calling Medusa APIs.
code-review
by skillcreatorai
Automated code review for pull requests using specialized review patterns. Analyzes code for quality, security, performance, and best practices. Use when reviewing code changes, PRs, or doing code audits.
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.
data-schema-knowledge-modeling
by lyndonkl
Use when designing database schemas, need to model domain entities and relationships clearly, building knowledge graphs or ontologies, creating API data models, defining system boundaries and invariants, migrating between data models, establishing taxonomies or hierarchies, user mentions "schema", "data model", "entities", "relationships", "ontology", "knowledge graph", or when scattered/inconsistent data structures need formalization.
knowledge-graph-construction
by lyndonkl
Use when designing and building knowledge graphs from unstructured data. Invoke when user mentions entity extraction, schema design, LPG vs RDF, graph data model, ontology alignment, knowledge graph construction, or building a KG for RAG. Provides extraction pipelines, schema patterns, and data model selection guidance.
backend-development
by hainamchung
Backend API design, database architecture, microservices patterns, and test-driven development. Use for designing APIs, database schemas, or backend system architecture.
graphrag-system-design
by lyndonkl
Use when designing complete GraphRAG systems that combine graph retrieval with LLM reasoning. Invoke when user mentions GraphRAG system, technology stack, Neo4j with LLM, LangChain graph, LlamaIndex knowledge graph, community detection for RAG, hybrid symbol-vector integration, production GraphRAG, or domain-specific graph RAG. Provides architecture design, technology selection, and domain customization guidance.
explicit-identity
by parcadei
Explicit Identity Across Boundaries
notebooklm
by PleasePrompto
Use this skill to query your Google NotebookLM notebooks directly from Claude Code for source-grounded, citation-backed answers from Gemini. Browser automation, library management, persistent auth. Drastically reduced hallucinations through document-only responses.
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.