Databases Agent Skills for Perplexity

Azure Cosmos DB JavaScript/TypeScript SDK (@azure/cosmos) for data plane operations.

Read the YAML files of an existing Canvas App and replace Power FX data source calls with equivalent Dataverse table calls.

Analyzes database migration scripts for lock contention, downtime, rollback strategy, and deployment risk.

Firebase Firestore specialist covering NoSQL patterns, real-time sync, offline caching, and Security Rules.

Design or implement MotherDuck analytical schemas and transformation models, including grain, types, and materialization.

Expert at writing Rails 8 models with proper validations, associations, scopes, callbacks, and concerns.

browse MongoDB Atlas Admin API specifications and execute operations (if credentials provided).

MongoDB schema design patterns and anti-patterns.

Guides MongoDB users through implementing and optimizing Atlas Search (full-text), Vector Search (semantic), and Hybrid Search solutions.

Work with MongoDB (document database, BSON documents, aggregation pipelines, Atlas cloud) and PostgreSQL (relational database, SQL…

Help users index MUD Store events, process on-chain table mutations, store in PostgreSQL or EF Core, normalise schemas, run continuous sync.

Multi-tenant architecture skill for Lobbi member management system.

Tenant isolation, row-level security, shared/siloed schema patterns for SaaS platforms.

This skill should be used when the user asks "why is the table growing despite deletes", "why did queries get slower over time", "why is…

Overview of Experimental MVCC feature - snapshot isolation, versioning, limitations

Execute read-only SQL queries against multiple MySQL databases.

Creates a fully functional Drizzle ORM setup with a provisioned Neon database.

Sets up the full Neon JS SDK with unified auth and PostgREST-style database queries.

Guides and best practices for working with Neon Serverless Postgres.

Creates and manages ephemeral Neon databases for testing, CI/CD pipelines, and isolated development environments.

Select only required columns to reduce memory and transfer costs; apply to base queries and relations