Databases

Performs thorough code reviews with focus on best practices, security, performance, and maintainability. Use this skill when reviewing pull requests, auditing code quality, or getting feedback on implementations.

Conversational GDB debugging for Breenix kernel. Use for interactive debugging sessions - set breakpoints, inspect registers, examine memory, step through code, investigate crashes.

Process external code review feedback with technical rigor. Use when receiving feedback from another LLM, human reviewer, or CI tool. Verifies claims before implementing, tracks disposition.

Database migration patterns using Flyway with versioned SQL scripts

This skill should be used when performing fast iterative kernel debugging, running time-bound kernel sessions to detect specific log signals or test kernel behavior. Use for rapid feedback cycles during kernel development, boot sequence analysis, or feature verification.

Test data management with fixtures and factories. Use when creating test data strategies, implementing data factories, managing fixtures, or seeding test databases.

Reviews SQLAlchemy code for session management, relationships, N+1 queries, and migration patterns. Use when reviewing SQLAlchemy 2.0 code, checking session lifecycle, relationship() usage, or Alembic migrations.

Comprehensive backend development skill for building scalable backend systems using Node.js, Express, Go, Python, PostgreSQL, GraphQL, REST APIs. Includes API scaffolding, database optimization, security implementation, and performance tuning. Use when designing APIs, optimizing database queries, implementing business logic, handling authentication/authorization, or reviewing backend code.

Implement dependency injection in PydanticAI agents using RunContext and deps_type. Use when agents need database connections, API clients, user context, or any external resources.

Database Architect skill. Use this when you need to modify the database schema, add tables, or seed data. This project uses RAW SQL SCRIPTS orchestrated by .NET Aspire, NOT Entity Framework Migrations.

Achieve end-to-end type safety with Zod runtime validation, tRPC type-safe APIs, Prisma ORM, exhaustive type checking, and TypeScript 5.7+ features. Build fully type-safe applications from database to UI for 2025+ development.

Loop-aware skill for iteratively addressing bugbot feedback on PRs. Fetches unresolved bugbot comments, triages them, fixes valid bugs, resolves false positives, and commits changes. Designed to be used with ralph-loop.

Autonomously search the user's elfeed RSS feed database when researching topics they've read about, finding specific articles they mention, analyzing their reading patterns, or gathering context from their curated information sources. Invoke when the user references articles, asks about past reads, or when conversation topics overlap with likely RSS feed content (tech, programming, AI, security, etc.).

Adding new data models - schema, shared zod, entity pattern, and oRPC routes. Use when user asks to create a new entity, model, or feature that needs database tables.

当用户正在进行 CTF 比赛或练习，遇到 Web 类型题目时触发此 Skill。适用场景包括：- 用户描述了 SQL 注入、XSS、SSRF、SSTI、XXE、文件包含、命令执行等 Web 安全问题- 用户需要进行信息搜集、目录扫描、端口扫描等渗透前期工作- 用户遇到 PHP 特性利用、反序列化、JWT 伪造等高级攻击场景- 用户提及 "CTF"、"Web"、"渗透"、"注入"、"绕过"、"漏洞" 等关键词- 用户需要分析 Java 代码审计、区块链安全、组件漏洞利用等问题- 用户需要构造 payload、编写 exploit、分析 WAF 绕过策略

World-class data engineering skill for building scalable data pipelines, ETL/ELT systems, real-time streaming, and data infrastructure. Expertise in Python, SQL, Spark, Airflow, dbt, Kafka, Flink, Kinesis, and modern data stack. Includes data modeling, pipeline orchestration, data quality, streaming quality monitoring, and DataOps. Use when designing data architectures, building batch or streaming data pipelines, optimizing data workflows, or implementing data governance.

Writing Datasette plugins using Python and the pluggy plugin system. Use when Claude needs to: (1) Create a new Datasette plugin, (2) Implement plugin hooks like prepare_connection, register_routes, render_cell, etc., (3) Add custom SQL functions, (4) Create custom output renderers, (5) Add authentication or permissions logic, (6) Extend Datasette's UI with menus, actions, or templates, (7) Package a plugin for distribution on PyPI

RDBMS access patterns for DuckDB, MySQL (keycloak), PostgreSQL (dw, x3rocs), SQL Server (sage1000, x3), and DBISAM (Exportmaster) using ODBC and native drivers

This skill should be used when the user asks to "write a SQLScript procedure", "create HANA stored procedure", "implement AMDP method", "optimize SQLScript performance", "handle SQLScript exceptions", "debug HANA procedure", "create table function", or mentions SQLScript, SAP HANA procedures, AMDP, EXIT HANDLER, or code-to-data paradigm.Comprehensive SQLScript development guidance for SAP HANA database programming including syntax patterns, built-in functions, exception handling, performance optimization, cursor management, and ABAP Managed Database Procedure (AMDP) integration.

Assists with SAP HANA Developer CLI (hana-cli) for database development and administration.Use when: installing hana-cli, connecting to SAP HANA databases, inspecting database objects(tables, views, procedures, functions), managing HDI containers, executing SQL queries,converting metadata to CDS/EDMX/OpenAPI formats, managing SAP HANA Cloud instances,working with BTP CLI integration, or troubleshooting hana-cli commands.Covers: 91 commands, 17+ output formats, HDI container management, cloud operations.