Database
Database management and queries
openspec-apply-change
by studyzy
实现 OpenSpec 变更中的任务。当用户想要开始实现、继续实现或处理任务时使用。
openspec-archive-change
by studyzy
归档实验性工作流中已完成的变更。当用户想要在实现完成后最终确定并归档变更时使用。
database-query
by cisco-ai-defense
Query database safely with parameterized statements
Aphorisms
by danielmiessler
Aphorism management. USE WHEN aphorism, quote, saying. SkillSearch('aphorisms') for docs.
batch-processing
by dadbodgeoff
Collect-then-batch pattern for database operations achieving 30-40% throughput improvement. Includes graceful fallback to sequential processing when batch operations fail.
database-schema-designer
by OneWave-AI
Design optimized database schemas for SQL and NoSQL databases including tables, relationships, indexes, and constraints. Creates ERD diagrams, migration scripts, and data modeling best practices. Use when users need database design, schema optimization, or data architecture planning.
writing-server-code
by bitwarden
Bitwarden server code conventions for C# and .NET. Use when working in the server repo, creating commands, queries, services, or API endpoints.
writing-database-queries
by bitwarden
Bitwarden database architecture, migrations, and dual-ORM strategy. Use when working with .sql files, stored procedures, EF migrations, or database schema changes.
implementing-ef-core
by bitwarden
Implementing Entity Framework Core repositories and migrations for PostgreSQL, MySQL, and SQLite at Bitwarden. Use when creating or modifying EF repositories, generating EF migrations, or working with non-MSSQL data access in the server repo.
Overview
by patchy631
In-depth tutorials on LLMs, RAGs and real-world AI agent applications.
databricks-apps
by databricks
Build apps on Databricks Apps platform. Use when asked to create dashboards, data apps, analytics tools, or visualizations. Invoke BEFORE starting implementation.
sap-abap-cds
by secondsky
Comprehensive SAP ABAP CDS (Core Data Services) reference for data modeling, view development, and semantic enrichment. Use when creating CDS views or view entities in ABAP, defining data models with annotations (@AbapCatalog, @AccessControl, @EndUserText, @Semantics, @UI, @Consumption, @ObjectModel), working with associations and cardinality, implementing input parameters, using built-in functions (string, numeric, date/time), writing CASE expressions and conditional logic, implementing access control with DCL (Data Control Language), handling CURR/QUAN data types with reference fields, troubleshooting CDS errors (SD_CDS_ENTITY105), querying CDS views from ABAP, or displaying data with SALV IDA. Covers ABAP 7.4+ through ABAP Cloud with production-tested patterns. Keywords: ABAP CDS, Core Data Services, CDS view, CDS view entity, define view, define view entity, DDL, Data Definition Language, DCL, Data Control Language, annotations, @AbapCatalog, @AccessControl, @EndUserText, @Semantics, @UI, @Consumption, @ObjectModel, @Metadata, associations, cardinality, TO ONE, TO MANY, path expressions, input parameters, WITH PARAMETERS, built-in functions, CASE expression, CAST, session variables, $session, aggregate functions, GROUP BY, HAVING, joins, INNER JOIN, LEFT OUTER JOIN, access control, DEFINE ROLE, pfcg_auth, authorization, SALV IDA, cl_salv_gui_table_ida, Eclipse ADT, ABAP Development Tools, CDS annotations, Fiori Elements, OData, RAP, ABAP RESTful Application Programming Model, currencyCode, unitOfMeasure, SD_CDS_ENTITY105
sap-cap-capire
by secondsky
SAP Cloud Application Programming Model (CAP) development skill using Capire documentation. Use when: building CAP applications, defining CDS models, implementing services, working with SAP HANA/SQLite/PostgreSQL databases, deploying to SAP BTP Cloud Foundry or Kyma, implementing Fiori UIs, handling authorization, multitenancy, or messaging. Covers CDL/CQL/CSN syntax, Node.js and Java runtimes, event handlers, OData services, and CAP plugins.
sap-datasphere
by secondsky
Comprehensive plugin for SAP Datasphere development with 3 specialized agents, 5 slash commands, and validation hooks. Use when building data warehouses on SAP BTP, creating analytic models, configuring data flows and replication flows, setting up connections to SAP and third-party systems, managing spaces and users, implementing data access controls, using the datasphere CLI, creating data products for the marketplace, or monitoring data integration tasks. Covers Data Builder (graphical/SQL views, local/remote tables, transformation flows), Business Builder (business entities, consumption models), analytic models (dimensions, measures, hierarchies), 40+ connection types (SAP S/4HANA, BW/4HANA, HANA Cloud, AWS, Azure, GCP, Kafka, Generic HTTP), real-time replication, task chains, content transport, CLI automation, catalog governance, and data marketplace. Includes 2025 features: Generic HTTP connections, REST API tasks in task chains, SAP Business Data Cloud integration. Keywords: sap datasphere, data warehouse cloud, dwc, data builder, business builder, analytic model, graphical view, sql view, transformation flow, replication flow, data flow, task chain, remote table, local table, sap btp data warehouse, datasphere connection, datasphere space, data access control, elastic compute node, sap analytics cloud integration, datasphere cli, data products, data marketplace, catalog, governance
sap-hana-ml
by secondsky
SAP HANA Machine Learning Python Client (hana-ml) development skill. Use when: Building ML solutions with SAP HANA's in-database machine learning using Python hana-ml library for PAL/APL algorithms, DataFrame operations, AutoML, model persistence, and visualization. Keywords: hana-ml, SAP HANA, machine learning, PAL, APL, predictive analytics, HANA DataFrame, ConnectionContext, classification, regression, clustering, time series, ARIMA, gradient boosting, AutoML, SHAP, model storage
database-design
by CloudAI-X
Designs database schemas, indexing strategies, query optimization, and migration patterns for SQL and NoSQL databases. Use when designing tables, optimizing queries, fixing N+1 problems, planning migrations, or when asked about database performance, normalization, ORMs, or data modeling.
optimizing-performance
by CloudAI-X
Analyzes and optimizes application performance across frontend, backend, and database layers. Use when diagnosing slowness, improving load times, optimizing queries, reducing bundle size, or when asked about performance issues.
drizzle-orm
by pedronauck
Expert guide for Drizzle ORM best practices, including schema definitions, queries, mutations, transactions, migrations, and performance optimization. Use when working with Drizzle ORM, database schemas, queries, or migrations.
drizzle-postgres
by pedronauck
PostgreSQL and Drizzle ORM best practices. Triggers on: PostgreSQL, Postgres, Drizzle, database, schema, tables, columns, indexes, queries, migrations, ORM, relations, joins, transactions, SQL, drizzle-kit, connection pooling, N+1, JSONB, RLS. Use when: writing database schemas, queries, migrations, or any database-related code. Proactively apply when creating APIs, backends, or data models.
drizzle-safe-migrations
by pedronauck
Production-safe Drizzle migration workflow for schema changes that require data backfills or constraint tightening. Use when changing enums/check constraints/defaults, removing status values, or sequencing custom and generated migrations in Drizzle. Trigger on requests about Drizzle migration safety, deployment-safe backfills, migration ordering, and rollback planning.
better-auth-best-practices
by pedronauck
Skill for integrating Better Auth - the comprehensive TypeScript authentication framework.
ai-sdk
by pedronauck
'Answer questions about the AI SDK and help build AI-powered features. Use when developers: (1) Ask about AI SDK functions like generateText, streamText, ToolLoopAgent, or tools, (2) Want to build AI agents, chatbots, or text generation features, (3) Have questions about AI providers (OpenAI, Anthropic, etc.), streaming, tool calling, or structured output.'
cloudflare
by pedronauck
Comprehensive Cloudflare platform skill covering Workers, Pages, storage (KV, D1, R2), AI (Workers AI, Vectorize, Agents SDK), networking (Tunnel, Spectrum), security (WAF, DDoS), and infrastructure-as-code (Terraform, Pulumi). Use for any Cloudflare development task. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.
data-client-endpoint-setup
by reactive
Set up @data-client/endpoint for custom async operations. Wraps existing async functions with Endpoint for use with Data Client hooks. Use after data-client-setup detects non-REST/GraphQL async patterns.