Databases Agent Skills for Claude Code

DuckDB file discovery agent with verified absolute paths

MUST use when writing DuckDB queries.

H3 hexagonal indexing, PostGIS-compatible spatial queries, and geographic analysis with GF(3) coloring.

Layer 3: Temporal Versioning and ACSet Schema Generation for DuckDB

Pattern expansion and schema evolution for DuckLake databases

Ergodic random walks over DuckLake lakehouses with GF(3) triadic concurrent walkers.

Environment-level Dataverse administration — bulk delete, retention/archival, organization settings, OrgDB settings, recycle bin, audit…

Write correct MySQL queries with proper character sets, indexing, transactions, and production patterns.

Write efficient PostgreSQL queries and design schemas with proper indexing and patterns.

Query and manage Salesforce CRM data via the Salesforce CLI (`sf`).

Interactive skill for eliciting, formalizing, and persisting DynamoDB access patterns.

Generates language-agnostic repository interfaces (method signatures, input/output types, and entity models) from a DynamoDB table design…

Use when validating and casting data with Ecto changesets including field validation, constraints, nested changesets, and data…

Use when defining schemas, writing queries, or creating migrations — schema design, Repo usage, indexes, query composition.

Use when defining and working with Ecto schemas including field types, associations, and embedded schemas.

Use when positioning an EDBT submission against the data-management literature across SIGMOD, VLDB/PVLDB, ICDE, EDBT, the co-located ICDT…

Use when strengthening EDBT reproducibility for a database-systems paper, covering a runnable artifact, pinned environments and workloads…

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

Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL…

JetBrains Exposed ORM patterns including DSL queries, DAO pattern, transactions, HikariCP connection pooling, Flyway migrations, and…

PostgreSQL database patterns for query optimization, schema design, indexing, and security.