Database
Database management and queries
espocrm-development
by bobmatnyc
Comprehensive guide for developing on EspoCRM - metadata-driven CRM with service layer architecture
imaging-data-commons
by jaechang-hits
"Query NCI Imaging Data Commons (IDC) for cancer radiology and pathology imaging datasets hosted on Google Cloud. Search DICOM collections by modality, anatomical site, cancer type, or collection name. Download images via Google Cloud Storage or IDAT tool. 50TB+ of publicly accessible DICOM images. Requires Google Cloud account for large downloads; small queries work without billing. For local DICOM processing use pydicom-medical-imaging; for whole-slide pathology use histolab."
rspress-v2-upgrade
by rstackjs
Migrate Rspress projects from v1 to v2. Use when a user asks to upgrade Rspress, follow the v1-to-v2 guide, update configs/themes, or validate the upgrade.
symfony:doctrine-transactions
by MakFly
Evolve Symfony Doctrine models and schema safely with integrity, performance, and rollout discipline. Use for doctrine transactions tasks.
symfony:doctrine-fixtures-foundry
by MakFly
Evolve Symfony Doctrine models and schema safely with integrity, performance, and rollout discipline. Use for doctrine fixtures foundry tasks.
Java Spring Boot Agent - Enterprise API & Microservice Expert
by anton-abyzov
Java/Spring Boot backend developer for building enterprise APIs and microservices. Use when building Java backends with Spring Boot 3.x, REST/gRPC APIs, Spring Data JPA, Spring Security 6, reactive WebFlux, or microservice architectures.
Go Backend Agent - High-Performance API & Microservice Expert
by anton-abyzov
Go/Golang backend developer for building high-performance APIs and microservices. Use when building Go backends, REST/gRPC APIs, CLI tools, or concurrent services with net/http, Gin, Echo, Chi, or Fiber.
Confluent Kafka Connect Skill
by anton-abyzov
Kafka Connect integration expert. Covers source and sink connectors, JDBC, Elasticsearch, S3, Debezium CDC, SMT (Single Message Transforms), connector configuration, and data pipeline patterns. Activates for kafka connect, connectors, source connector, sink connector, jdbc connector, debezium, smt, data pipeline, cdc.
Cloud Pricing Expert
by anton-abyzov
Expert knowledge of cloud provider pricing models for AWS, Azure, GCP covering compute, storage, database, networking, and serverless services. Includes 2025 pricing data, regional differences, free tiers, pricing calculators, and cost comparison across providers. Activates for cloud pricing, how much does it cost, price comparison, AWS vs Azure vs GCP pricing, pricing calculator, estimate costs, regional pricing, free tier, what's cheaper.
Database Optimizer Skill
by anton-abyzov
Database optimizer for PostgreSQL, MySQL, MongoDB. Use for slow queries, N+1 problems, EXPLAIN plans, indexing, connection pooling, caching, partitioning, scaling.
Confluent Schema Registry Skill
by anton-abyzov
Schema Registry expert for Avro, Protobuf, and JSON Schema management. Covers schema evolution strategies, compatibility modes, validation, and best practices for managing schemas in Confluent Cloud and self-hosted Schema Registry. Activates for schema registry, avro, protobuf, json schema, schema evolution, compatibility modes, schema validation.
Confluent ksqlDB Skill
by anton-abyzov
ksqlDB stream processing expert. Covers SQL-like queries on Kafka topics, stream and table concepts, joins, aggregations, windowing, materialized views, and real-time data transformations. Activates for ksqldb, ksql, stream processing, kafka sql, real-time analytics, windowing, stream joins, table joins, materialized views.
Node.js Backend Agent - API & Server Development Expert
by anton-abyzov
Node.js/TypeScript backend developer for Express, Fastify, NestJS, and GraphQL. Use when building Node.js APIs, REST endpoints, GraphQL APIs, or backend services.
Python Backend Agent - API & Data Processing Expert
by anton-abyzov
Python backend developer for FastAPI, Django, and Flask. Use when building Python APIs, REST endpoints, or data processing services.
GraphQL Agent - Cross-Stack API Design & Implementation Expert
by anton-abyzov
GraphQL API expert for Node.js, Python, Java, .NET, Rust. Use for schemas, resolvers, DataLoader, federation, subscriptions, Apollo, Pothos, Strawberry, urql, Relay.
Rust Backend Agent - High-Performance Memory-Safe API Expert
by anton-abyzov
Rust backend developer for building high-performance, memory-safe APIs and services. Use when building Rust backends with Axum, Actix-web, Rocket, or Warp. Covers Tokio async runtime, SQLx, Diesel, error handling, and zero-cost abstractions.
performance-optimization
by ThibautBaissac
Identifies and fixes Rails performance issues including N+1 queries, slow queries, and memory problems. Use when optimizing queries, fixing N+1 issues, improving response times, or when user mentions performance, slow, optimization, or Bullet gem.
rails-architecture
by ThibautBaissac
Guides modern Rails 8 code architecture decisions and patterns. Use when deciding where to put code, choosing between patterns (service objects vs concerns vs query objects), designing feature architecture, refactoring for better organization, or when user mentions architecture, code organization, design patterns, or layered design.
symfony:doctrine-batch-processing
by MakFly
Evolve Symfony Doctrine models and schema safely with integrity, performance, and rollout discipline. Use for doctrine batch processing tasks.
5whys
by neurofoo
Five Whys root cause analysis. Iteratively asks "why" to drill past symptoms to underlying causes. Use for debugging, investigating failures, or understanding why something went wrong.
systematic-review
by poemswe
You must use this when conducting PRISMA-standard systematic reviews, protocol development, or Risk of Bias assessment.
mermaid-diagrams
by softaworks
Comprehensive guide for creating software diagrams using Mermaid syntax. Use when users need to create, visualize, or document software through diagrams including class diagrams (domain modeling, object-oriented design), sequence diagrams (application flows, API interactions, code execution), flowcharts (processes, algorithms, user journeys), entity relationship diagrams (database schemas), C4 architecture diagrams (system context, containers, components), state diagrams, git graphs, pie charts, gantt charts, or any other diagram type. Triggers include requests to "diagram", "visualize", "model", "map out", "show the flow", or when explaining system architecture, database design, code structure, or user/application flows.
apollo-graphql
by Mindrally
Guidelines for developing GraphQL APIs and React applications using Apollo Client for state management, data fetching, and caching
deploy
by whawkinsiv
"Use this skill when the user needs to deploy their app, choose a hosting provider, connect a custom domain, set up environment variables, manage a production database, configure DNS, or go from 'it works locally' to 'it's live on the internet.' Covers hosting selection, deployment workflows, domain setup, and production operations for non-technical founders."