Database
Database management and queries
codebase-singularity
by vishalsachdev
"Apply the codebase singularity approach: reliable codebase understanding and change with a repeatable workflow, guardrails, and verification gates. Use for repo work (feature, bugfix, refactor, migration) when you need high trust, minimal diffs, and explicit validation and exit criteria."
database-schema-evaluator
by Agentient
Expert evaluation of database schema designs using multi-perspective analysis. PROACTIVELY activate for: (1) Reviewing database schema designs, (2) Comparing alternative schema approaches, (3) Identifying normalization issues, (4) Assessing scalability and performance implications, (5) Evaluating data integrity constraints, (6) Analyzing schema evolution capabilities. Triggers: "evaluate database schema", "review db design", "assess data model", "compare schema approaches", "check normalization", "database design review", "analyze table structure", "review ER diagram", "evaluate data architecture"
firestore-data-modeling-patterns
by Agentient
Firestore data modeling best practices including subcollections, document structure, and atomic operations. PROACTIVELY activate for: (1) designing Firestore collection structures, (2) choosing between subcollections vs root collections, (3) implementing transactions vs batched writes. Triggers: "subcollection", "data model", "firestore"
duckdb-cli
by ysm-dev
Query and analyze data using the DuckDB CLI. Use when the user needs to run SQL queries, analyze CSV/Parquet/JSON files, create or query databases, export data, or perform any ad-hoc data analysis from the command line. Triggers include requests to "query a file", "analyze data", "run SQL", "read a CSV/Parquet/JSON", "create a database", "export to CSV/Parquet", or any data analysis task that benefits from SQL.
er-diagram-and-data-modeling
by Agentient
[STUB - Not implemented] Entity-relationship diagrams and data modeling for database schema design. PROACTIVELY activate for: [TODO: Define on implementation]. Triggers: [TODO: Define on implementation]
whop-dev
by steve-cooks
Build Next.js apps for the Whop platform. For empty repos, guides users from idea to deployed app through discovery and setup. For existing projects, provides best practices for authentication, payments, webhooks, and UI. Triggers on "build me a Whop app", @whop/sdk, verifyUserToken, checkAccess, checkout flows, webhook handling, Experience/Dashboard pages, Frosted UI. Delegates to companion skills (frontend-design, vercel-react-best-practices, supabase-postgres-best-practices, web-design-guidelines) for design, performance, and database.
zod-firestore-type-safety
by Agentient
End-to-end type safety for Firestore using Zod schemas with withConverter API. PROACTIVELY activate for: (1) implementing Firestore converters with Zod validation, (2) ensuring runtime validation at application boundaries, (3) evolving schemas safely. Triggers: "zod converter", "firestore type safety", "withConverter"
zod-schema-type-inference-chain
by Agentient
Zod v4 schema definition patterns with the Type Inference Chain for absolute type safety. PROACTIVELY activate for: (1) defining Zod schemas as single source of truth, (2) using z.infer for type generation, (3) implementing safe parsing with safeParse. Triggers: "zod", "schema", "z.infer"
worldbook
by femto
AI's Knowledge Base CLI - Query and manage world knowledge for AI agents. Use when users want to search knowledge, add knowledge sources, or interact with the worldbook knowledge base. This is a CLI-first approach that treats AI agents as first-class citizens.
wp-cli
by johnie
WordPress CLI operations for database management, plugins, themes, users, content, and site configuration. Use for migrations, bulk updates, user audits, content imports, or any wp-cli commands.
douyin-live
by haoanlan
"抖音直播间常驻监控 + 自动报告。后台守护进程持续运行，自动检测开播/下播，下播后生成分析报告并通过飞书推送"
backend-architect
by dmonteroh
"Guides backend architecture for operable services and APIs, covering boundaries, contracts, reliability, integration patterns, and rollout safety. Use when designing or changing backend services/APIs and their operability plans."
prisma-expert
by samChang72
Prisma ORM expert for schema design, migrations, query optimization, relations modeling, and database operations. Use PROACTIVELY for Prisma schema issues, migration problems, query performance, relation design, or database connection issues.
react-expert
by evanfang0054
在构建需要组件架构、hooks 模式或状态管理的 React 18+ 应用程序时使用。调用时机包括：Server Components、性能优化、Suspense 边界、React 19 特性。
langchain-tools
by evanfang0054
在 LangChain 中定义和使用工具 - 包括工具装饰器、自定义工具、内置工具和工具模式
db-extractor
by famaoai-creator
Extract schema and sample data from databases for analysis.
sqlite-optimization
by jrajasekera
Optimize SQLite database performance through configuration, schema design, indexing, and query tuning. Use when users ask to improve SQLite speed, reduce latency, optimize queries, configure PRAGMAs, fix slow queries, handle concurrency, optimize writes/inserts, or tune SQLite for production. Triggers on mentions of SQLite performance, slow queries, PRAGMA settings, WAL mode, indexing strategies, bulk inserts, or database maintenance (VACUUM, ANALYZE).
seo-audit-report
by younesbenallal
Document how to scaffold a Vite+React SEO audit report that ingest Search Console data, stores it in sql.js, and visualizes query/page KPIs.
nvr-open
by cadrianmae
This skill should be used when the user asks to "open a file", "show me the file", "navigate to line", "jump to line", "view the code", "edit file", "go to line", "open at line", "use nvr", "open in neovim", "open in my editor", or requests opening any file in their editor. Automatically discovers the correct neovim instance based on working directory and opens files at specific lines.
developing-aws
by sumik5
AWS development guide covering serverless (Lambda, API Gateway, DynamoDB, Step Functions), CDK, EKS, SRE, cost optimization (FinOps/CCoE), security (IAM, VPC, KMS, GuardDuty), GenAI (Bedrock, RAG, Agents), databases (Aurora, DynamoDB, ElastiCache), data engineering (Glue, Athena, Redshift), developer tools (CodePipeline), Cloud Design Patterns (57 CDP), VPC architecture (subnet, CIDR, Transit Gateway), enterprise architecture (multi-account, Landing Zone, 14 business system patterns), and cloud migration strategies (7R, AWS MGN, database migration). MUST load when working with AWS services, detected by aws-cdk or @aws-sdk in package.json, cdk.json, samconfig.toml, serverless.yml, template.yaml (SAM), or eksctl configs. For GCP→developing-google-cloud, Terraform→developing-terraform, Docker→managing-docker, monitoring→designing-monitoring, RAG→building-rag-systems, LLMOps→practicing-llmops, serverless security→securing-serverless, logging→implementing-logging.
optimizing-queries
by galihcitta
Analyzes and optimizes SQL/NoSQL queries for performance. Use when reviewing query performance, optimizing slow queries, analyzing EXPLAIN output, suggesting indexes, identifying N+1 problems, recommending query rewrites, or improving database access patterns. Supports PostgreSQL, MySQL, SQLite, MongoDB, Redis, DynamoDB, and Elasticsearch.
mcp-aws-knowledge-connector
by famaoai-creator
status: implemented
deploy-validate
by manastalukdar
Pre-deployment validation with environment config, dependencies, DB migrations, and API compatibility checks
Routing
by LauraFlorentin
A control flow pattern where a central component classifies an input request and directs it to the most appropriate specialized agent or tool.