Databases Agent Skills for DeepSeek Harness

This skill enables Claude to design NoSQL data models.

Manages MongoDB Atlas Stream Processing (ASP) workflows.

Optimize MongoDB client connection configuration (pools, timeouts, patterns) for any supported driver language.

Interact with a MongoDB database for persistent document storage.

Query documents from a MongoDB collection

Use when optimizing Moodle plugin performance — MUC caching definitions, query optimization, recordsets vs records, ad-hoc and scheduled…

Build or refresh the local Scryfall card database (.mtg/database/cards.sqlite) that the MTG deckbuilding skills read from instead of…

Use when working with the multi-tenant architecture — customer DB switching, FQDN routing, tenant isolation, or cross-tenant operations.

Architects comprehensive database schemas, entity relationships, and data migration strategies for complex software features.

When to activate: MySQL, MariaDB, InnoDB, mysql, JSON column, EXPLAIN, replication, ProxySQL

Guides MySQL/MariaDB query design, indexing strategy, data types, and concurrency patterns — the InnoDB-specific counterpart to…

Diagnosing N+1 query patterns in Rails/Grape: slow index pages, serializers, nested API responses.

Implement incremental sync strategies for Navan BOOKING and TRANSACTION

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

Neo4j CLI. Runs and pipes Cypher, introspects the schema, generates a data model, and embeds text inline as a query parameter. Discovers…

When to activate: Neo4j, Cypher, graph database, nodes, relationships, APOC, graph algorithms, knowledge graph

Automate Neon serverless Postgres operations -- manage projects, branches, databases, roles, and connection URIs via the Composio MCP…

S3-compatible object storage that branches with your Neon project, so files and the database stay in sync across every branch.

Configures Neon Serverless Driver for Next.js, Vercel Edge Functions, AWS Lambda, and other serverless environments.

Overview of Neon, a complete set of cloud backend primitives around Lakebase Postgres: Auth, Object Storage, Functions, and the AI Gateway.

Expert database administrator specializing in modern cloud databases, automation, and reliability engineering.