Databases Agent Skills for DeepSeek Harness

Use when running, planning, or discussing database migrations, schema changes, or data transformations against any environment

Read and inspect LevelDB stores - especially Chromium/Electron app state (Local Storage, IndexedDB, Session Storage).

Automate Airtable tasks via Rube MCP (Composio): records, bases, tables, fields, views.

Azure Cosmos DB SDK for Java. NoSQL database operations with global distribution, multi-model support, and reactive patterns.

Azure Cosmos DB SDK for Python (NoSQL API).

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

Build table storage applications using the Azure Tables SDK for Java.

Azure Tables SDK for Python (Storage and Cosmos DB).

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

Convex reactive backend expert: schema design, TypeScript functions, real-time subscriptions, auth, file storage, scheduling, and…

Build production-grade Azure Cosmos DB NoSQL services following clean code, security best practices, and TDD principles.

You are a data pipeline architecture expert specializing in scalable, reliable, and cost-effective data pipelines for batch and streaming…

Implement data quality validation with Great Expectations, dbt tests, and data contracts.

Master database schema and data migrations across ORMs (Sequelize, TypeORM, Prisma), including rollback strategies and zero-downtime…

Expert database optimizer specializing in modern performance tuning, query optimization, and scalable architectures.

Design and implement event stores for event-sourced systems.

Automate Google BigQuery tasks via Rube MCP (Composio): run SQL queries, explore datasets and metadata, execute MBQL queries via Metabase…

Database management, forms, reports, and data operations with LibreOffice Base.

Self-hosted semantic memory for AI agents via MCP.

Migration monitoring, CDC, and observability infrastructure

Expert patterns for Neon serverless Postgres, branching, connection