Databases Agent Skills for DeepSeek Harness

Diagnose a failed Bauplan job, pin the exact data state, collect evidence, apply a minimal fix, and rerun.

Design and build database schema — tables, columns, types, indexes, constraints, relationships.

Design data systems by understanding storage engines, replication, partitioning, transactions, and consistency models.

Apply data-correctness rules when writing or reviewing code that touches shared state — SQL/ORM queries and transactions, read replicas…

Use when Django ORM patterns with models, queries, and relationships.

USE FOR: Drasi continuous-query solutions - real-time queries, change detection, reactive events, data-trigger pipelines on Drasi Server…

Execute the proper Drizzle Kit workflow for database schema migrations in asset-forge.

| Type-safe ORM for Cloudflare D1 databases using Drizzle.

Drizzle ORM changes since training cutoff (latest: 1.0.0-beta.19) — consolidated validator imports, Effect Schema support, node-sqlite…

Manage database schema with Drizzle ORM and SQLite migrations.

Generate a drt sync YAML configuration file.

Run SQL queries against the attached DuckDB database or ad-hoc against files.

Make data actually survive a crash — what fsync guarantees and what it does not, why a successful write() means nothing, the directory…

Orchestrator for the DynamoDB single-table design pipeline.

Designs a DynamoDB single-table structure from a documented set of access patterns.

Creates Ecotone business interfaces (gateways): DBAL query interfaces with #[DbalBusinessMethod], repository abstractions, expression…

Implements event sourcing in Ecotone: #[Projection] with partitioning and streaming, EventStore configuration, event versioning/upcasting…

Guide for Ecto schemas, changesets, queries, migrations, and Multi.

Use when a resource needs multiple changesets (registration vs update), conditional validation, field transforms, or uniqueness validation…

Use when a form or operation manages parent and child records together — cast_assoc/cast_embed, on_replace, Ecto.Multi across tables, FK…

Use when querying data with Ecto.Query DSL including where clauses, joins, aggregates, preloading, and query composition.