Bases de dades
Gestió i consultes de bases de dades
sql
williamzujkowski
Sql standards for sql in Database environments. Covers best practices,
nestjs-best-practices
koolamusic
NestJS best practices and architecture patterns for building production-ready applications. This skill should be used when writing, reviewing, or refactoring NestJS code to ensure proper patterns for modules, dependency injection, security, and performance.
better-auth
einverne
Guide for implementing Better Auth - a framework-agnostic authentication and authorization framework for TypeScript. Use when adding authentication features like email/password, OAuth, 2FA, passkeys, or advanced auth functionality to applications.
greptimedb-flow
GreptimeTeam
Guide for creating GreptimeDB flow tasks, for generates materialized view for continuous aggregation.
sqlex
go-sqlex
sqlex is a modern enhancement wrapper for Go database/sql based on jmoiron/sqlx,
mcp-context7-docs
vaayne
Query up-to-date documentation and code examples for any programming library or framework. Use when looking up API docs, finding code examples, or checking library usage. Triggers on "how to use [library]", "docs for [package]", "show me examples of [framework]", "Context7 lookup".
mcp-grep-code
vaayne
Search real-world code examples from over a million public GitHub repositories. Use when finding code patterns, implementation examples, or how libraries are used in practice. Triggers on "find code examples", "how is [library] used", "search GitHub code", "grep.app search", "code pattern".
greptimedb-trigger
GreptimeTeam
Guide for creating GreptimeDB triggers, by which we can trigger external webhook like Alertmanager. This feature can be used as alternative to Prometheus alerting rule.
connecting-streamlit-to-snowflake
streamlit
Connecting Streamlit apps to Snowflake. Use when setting up database connections, managing secrets, or querying Snowflake from a Streamlit app.
optimizing-streamlit-performance
streamlit
Optimizing Streamlit app performance. Use when apps are slow, rerunning too often, or loading heavy content. Covers caching, fragments, and static vs dynamic widget choices.
jspecify-nullness
alexandru
JSpecify nullness annotations for Java APIs and tooling. Use when adopting or migrating JSpecify annotations, designing null-safe Java signatures and generics, or interpreting tool conformance and Kotlin interop.
altinity-expert-clickhouse-metrics
Altinity
Real-time monitoring of ClickHouse metrics, events, and asynchronous metrics. Use for load average, connections, queue monitoring, and resource saturation.
rss-digest
odysseus0
"Agentic RSS digest using the feed CLI. Fetch, triage, and summarize RSS feeds to surface high-signal posts. Use when: (1) reading RSS feeds or catching up on news, (2) user asks for a digest, roundup, or summary of recent posts, (3) user asks what's new or interesting today, (4) user mentions feed, RSS, or blogs."
qgis
pacphi
Geospatial analysis and GIS operations via QGIS. Use for calculating distances, buffering zones, coordinate transforms (EPSG:4326 to EPSG:3857), layer operations, geoprocessing (intersect, union, clip), and exporting map images. Requires QGIS running on Display :1 with MCP plugin enabled.
pattern-finder
lis186
Find implementation examples and design patterns in the codebase. Use when user asks "how to implement X", "how does this project do X", "show me examples of X", "where is X implemented", or needs to follow existing code conventions.
architecture-decision-records
petekp
Write and maintain Architecture Decision Records (ADRs) following best practices for technical decision documentation. Use when documenting significant technical decisions, reviewing past architectural choices, or establishing decision processes.
aesthetic-guide
petekp
Research a UI design aesthetic and produce exhaustive, implementation-ready design guidelines for coding agents. Use when the user names an aesthetic (brutalist, glassmorphism, retro-futuristic, Swiss modernist, Apple HIG, neumorphism, minimalism, cyberpunk, Material Design, art deco, vaporwave, etc.) and wants a complete style guide with exact CSS values, color palettes, component states, animations, and typography â detailed enough for a coding agent to faithfully implement the aesthetic with zero ambiguity.
OCI Services Expert
frankxai
Expert guidance on Oracle Cloud Infrastructure services, cloud architecture patterns, cost optimization, deployment strategies, and OCI best practices for enterprise solutions
role-architect:scalability-analysis
rnavarych
Scalability analysis expertise including horizontal vs vertical scaling, sharding strategies, read/write splitting, eventual consistency patterns, CQRS for scale, back-of-envelope calculations, and caching layer design.
role-architect:cost-modeling
rnavarych
Cost modeling expertise including infrastructure cost estimation, TCO calculation, build vs buy analysis, pricing model comparison, ROI projection, cost growth modeling, and breakeven analysis.
role-database:capacity-planning
rnavarych
Database capacity and growth planning. Storage growth estimation, IOPS requirements, memory sizing (buffer pool, shared_buffers), connection count estimation, sharding triggers, read replica scaling, cost estimation per cloud provider. Load testing (pgbench, sysbench, YCSB, HammerDB). When to shard vs scale up vs read replicas. Use when planning database capacity, sizing infrastructure, or evaluating scaling strategies.
elixir-antipatterns
Gentleman-Programming
Core catalog of 8 critical Elixir/Phoenix anti-patterns covering error handling, separation of concerns, Ecto queries, and testing. Trigger: During Elixir code review, refactoring sessions, or when writing Phoenix/Ecto code.
role-backend:database-implementation
rnavarych
Implements database layers using Prisma, Drizzle ORM, TypeORM, SQLAlchemy 2.0, GORM, Diesel, Entity Framework Core 8, Hibernate/Panache, ActiveRecord, Ecto, Sequelize, Kysely, and Knex. Covers migrations, connection pooling, read replicas, query optimization, transaction management, and database testing with Testcontainers and factories. Use when setting up database access, writing migrations, optimizing queries, or configuring connection pools.
role-database:backup-recovery
rnavarych
Backup strategies and disaster recovery across all database engines. Full, incremental, differential backups. PITR (Point-in-Time Recovery). PostgreSQL (pg_dump, pgBackRest, Barman, WAL archiving), MySQL (mysqldump, XtraBackup, Clone Plugin), MongoDB (mongodump, Atlas backup), Redis (RDB, AOF). RPO/RTO planning, backup verification, cloud-native backup. Use when designing backup strategies, implementing disaster recovery, or troubleshooting data recovery.