Skill rating

Sequelize is a promise-based ORM for Node.js supporting PostgreSQL, MySQL, MariaDB, SQLite, and MS SQL. Use when a user asks to define Sequelize models, write queries with associations and eager loadi

Amazon RDS is AWS's managed relational database service: it provisions MySQL, PostgreSQL, MariaDB, Oracle, SQL Server and Aurora databases and handles backups, patching and failover. Use this skill wi

Runs background jobs in Node.js with BullMQ, a job queue library backed by Redis (or PostgreSQL since v6): delayed and prioritized jobs, retries with backoff, rate limiting, cron-style job schedulers,

ToolJet is an open-source (AGPL-3.0) low-code platform for building internal tools such as admin panels, dashboards and CRUD apps with a drag-and-drop builder, SQL and REST queries, and JavaScript or

TypeORM is an ORM for TypeScript and JavaScript that maps decorated classes to tables in PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle and other databases. Use when a user asks to define enti

Assists with deploying applications globally on Fly.io edge infrastructure. Use when deploying Docker-based apps, configuring multi-region machines, setting up persistent storage, or managing global d

Write type-safe SQL with Kysely query builder. Use when a user asks to write raw SQL with TypeScript safety, build queries without an ORM, use a lightweight SQL builder, or migrate from Knex with type

Malloy is an open-source semantic modeling and query language that compiles to SQL and runs on DuckDB, BigQuery, Snowflake, PostgreSQL, MySQL, Trino, Presto and Databricks. Use when the user wants to

Porter is a platform as a service that gives a Heroku-style deploy experience on your own AWS, GCP or Azure account, running apps on a managed Kubernetes cluster it provisions for you. Use when someon

Zeabur is a cloud deployment platform that detects the framework of a project, builds it with its own zbpack builder and runs it as a managed service, with one-click databases and apps from a template

Koyeb is a serverless cloud platform that runs web services, workers and databases from a Git repository or Docker image, with autoscaling, multi-region deployment and a managed Postgres. Use when a u

Builds HTTP APIs and web services in Rust with Axum, the Tokio team's web framework on top of Tokio, Hyper and Tower. Use when a user asks to create a Rust REST API, add routes, extractors, JSON handl

Ibis is a Python dataframe library whose pandas-like expressions compile to SQL and run on the engine that holds the data: DuckDB, PostgreSQL, BigQuery, Snowflake, Spark, Polars and about twenty more.

Knex.js is a SQL query builder for Node.js with a chainable API, schema migrations, seeds and transactions for PostgreSQL, MySQL, MariaDB, SQLite and MSSQL. Use when writing queries without a full ORM

Neon is serverless PostgreSQL with scale-to-zero compute and copy-on-write database branching. Use when setting up serverless databases, creating branches for development workflows, integrating with e

Soda Core is an open-source data quality engine that verifies data contracts, YAML files of checks (row count, freshness, missing, duplicate, invalid, schema, failed rows), against a warehouse table.

Xata is a managed PostgreSQL platform with instant copy-on-write database branching, zero-downtime schema migrations (pgroll), data anonymization and scale to zero. Use when the user wants to create a

dlt (data load tool) is an open-source Python library that loads data from APIs, files and databases into warehouses and lakes, inferring the schema and tracking incremental state for you. Use when a

Create structured incident response runbooks with step-by-step procedures, escalation paths, and recovery actions. Use when building runbooks, responding to incidents, or establishing incident respons

Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.

Design and implement event stores for event-sourced systems. Use when building event sourcing infrastructure, implementing event persistence, projections, snapshotting, or CQRS patterns.

Creates integration test cases targeting Oracle for .NET data access artifacts. Tests capture Oracle expected behavior as the authoritative baseline; they are written once and later ported to PostgreS

Scaffolds an xUnit integration test project targeting Oracle in .NET solutions. Creates the test project, transaction-rollback base class, and seed data manager. Use only during Phase 3, before writin

Creates structured bug reports for defects found during Oracle-to-PostgreSQL migration. Use when documenting behavioral differences between Oracle and PostgreSQL as actionable bug reports with severit

Migrates .NET/C# data access code from Oracle to PostgreSQL (Npgsql). Replaces Oracle NuGet packages, rewrites OracleConnection/OracleCommand/OracleDataReader usage, fixes DbType mappings, updates sto

Identifies Oracle-to-PostgreSQL migration risks by cross-referencing code against known behavioral differences (empty strings, refcursors, type coercion, sorting/collations, UNION ALL planner risks, m

Execute database migrations across ORMs and platforms with zero-downtime strategies, data transformation, and rollback procedures. Use when migrating databases, changing schemas, performing data trans

Design and implement event stores for event-sourced systems. Use when building event sourcing infrastructure, choosing event store technologies, or implementing event persistence patterns.

Efficiently perform web searches using the mcp-local-rag server with semantic similarity ranking. Use this skill when you need to search the web for current information, research topics across multipl

WHAT: Production-ready Node.js backend patterns - Express/Fastify setup, layered architecture, middleware, error handling, validation, database integration, authentication, and caching. WHEN: User i

PostgreSQL performance optimization and best practices. Use when writing SQL queries, designing schemas, implementing indexes, or debugging database performance. Covers query optimization, connection

Prisma ORM expert for schema design, migrations, query optimization, relations modeling, and database operations. Use PROACTIVELY for Prisma schema issues, migration problems, query performance, relat

Deploy and manage applications on Railway.app. Use for deploying projects, managing services, viewing logs, setting environment variables, and managing databases. Railway is a modern cloud platform fo

Query, design, migrate, and optimize SQL databases. Use when working with SQLite, PostgreSQL, or MySQL — schema design, writing queries, creating migrations, indexing, backup/restore, and debugging sl

Store and query structured data without planning schemas upfront. Use when you need to remember information, track entities across conversations, build knowledge bases, ingest API data, store user pre

Design a PostgreSQL-specific schema. Covers best-practices, data types, indexing, constraints, performance patterns, and advanced features

Install and run Aperture, the L402 Lightning reverse proxy from Lightning Labs. Use when creating L402 paywalls, configuring paid API endpoints, hosting paid content for other agents, or testing L402

Push decisions to Arbiter Zebu for async human review. Use when you need human input on plans, architectural choices, or approval before proceeding.

Creates structured bug reports for defects found during Oracle-to-PostgreSQL migration. Use when documenting behavioral differences between Oracle and PostgreSQL as actionable bug reports with severit

Creates integration test cases for .NET data access artifacts during Oracle-to-PostgreSQL database migrations. Generates DB-agnostic xUnit tests with deterministic seed data that validate behavior con

Scaffolds an xUnit integration test project for validating Oracle-to-PostgreSQL database migration behavior in .NET solutions. Creates the test project, transaction-rollback base class, and seed data

Coordinates project documentation creation with single context gathering and project type detection. Use when generating project docs subset.

Identifies Oracle-to-PostgreSQL migration risks by cross-referencing code against known behavioral differences (empty strings, refcursors, type coercion, sorting, timestamps, concurrent transactions,

Bootstraps projects to production-ready structure. Use when creating new or transforming existing projects.

Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.

Manage database migrations and schema versioning. Use when planning migrations, version control, rollback strategies, or data transformations in PostgreSQL and MySQL.

Design and implement database indexing strategies. Use when creating indexes, choosing index types, or optimizing index performance in PostgreSQL and MySQL.

Expert database architect specializing in data layer design from scratch, technology selection, schema modeling, and scalable database architectures.

Implement query caching strategies to improve performance. Use when setting up caching layers, configuring Redis, or optimizing database query response times.

Prevent SQL injection attacks using prepared statements, parameterized queries, and input validation. Use when building database-driven applications securely.