Databases

Multi-agent autonomous startup system for Claude Code. Triggers on "Loki Mode". Orchestrates 100+ specialized agents across engineering, QA, DevOps, security, data/ML, business operations, marketing, HR, and customer success. Takes PRD to fully deployed, revenue-generating product with zero human intervention. Features Task tool for subagent dispatch, parallel code review with 3 specialized reviewers, severity-based issue triage, distributed task queue with dead letter handling, automatic deployment to cloud providers, A/B testing, customer feedback loops, incident response, circuit breakers, and self-healing. Handles rate limits via distributed state checkpoints and auto-resume with exponential backoff. Requires --dangerously-skip-permissions flag.

Resets production database with full schema drop. EXTREME CAUTION - deletes all production data. SINGLE SOURCE OF TRUTH for production database reset automation.

Run DuckDB SQL queries over CSV, Parquet, JSON/NDJSON, Excel (.xlsx), and database sources (Postgres, MySQL, SQLite, S3) for data exploration and analytics. Use when the user wants to: (1) Explore, filter, or aggregate data from tabular files, (2) Join multiple datasets, (3) Perform analytical SQL over local files or databases, (4) Get precise numeric/statistical results from large datasets. Prefer this over in-context reasoning for datasets with thousands of rows or complex joins/aggregations.

Query the China Biographical Database (CBDB) API to retrieve comprehensive biographical data about historical Chinese figures. Use this skill when searching for information about Chinese historical figures, scholars, officials, or literary figures from the 7th century BCE through the 19th century CE. Applicable for queries about biographical details, social relationships, official positions, or when users mention specific Chinese names or CBDB person IDs.

Work with Gemini File API for document caching and efficient multi-query workflows. Use when discussing file uploads, caching strategies, token optimization, or comparing File API vs inline document approaches.

This skill should be used when adding new restaurant features across the full stack (Backend → Shared → Web → Mobile).Trigger keywords: "레스토랑 검색/필터/정렬 추가", "restaurant search/filter/sort", "레스토랑 API 수정", "restaurant list UI 업데이트".Provides step-by-step workflow for database migrations, backend API updates, shared layer updates, and frontend UI implementation.

Comprehensive node reference documentation for all 110+ Kailash SDK nodes organized by category: AI, API, Code, Data, Database, File, Logic, Monitoring, Admin, Transaction, and Transform nodes. Use when asking about 'node reference', 'available nodes', 'node list', 'AI nodes', 'API nodes', 'code nodes', 'data nodes', 'database nodes', 'file nodes', 'logic nodes', 'monitoring nodes', 'transaction nodes', 'transform nodes', 'which nodes', 'node documentation', or 'node capabilities'.

Deploys applications on Railway with zero-config detection, databases, and automatic CI/CD. Use when deploying Node.js apps, setting up databases, or needing simple PaaS deployment.

Enforces zero-tolerance test quality through two-phase testing strategy (Focus → Stable → Regression). Proactively activates when testing context detected. Blocks failures, enforces coverage thresholds (70% min, 85% actors, 80% business logic), and provides gamified feedback. Implements "testing is art in efficiency" - fast module feedback then comprehensive regression.

Resets local development database by deleting all data and restarting API container to trigger auto-seeding. SINGLE SOURCE OF TRUTH for dev database reset automation.

Reference and maintain consistency with the project's technical stack including frameworks, runtimes, languages, frontend libraries, databases, ORMs, testing tools, deployment platforms, and third-party services. Use this skill when making technology choices or selecting libraries that need to align with the existing stack, adding new dependencies to package.json, pnpm-workspace.yaml, requirements.txt, or other dependency management files, implementing features using the project's established frameworks, ORMs, databases, or APIs, writing code in the project's primary language and runtime environment, setting up testing infrastructure with the project's test frameworks, configuring CI/CD pipelines or deployment settings, integrating third-party services that match the project's existing integrations, ensuring compatibility with the project's build tools and bundlers, or ensuring any technical implementation decision aligns with the project's established technologies, architectural patterns, and conventions doc

Use when implementing authentication, user management, organization/tenant management, team invitations, role-based access control (RBAC), or multi-tenant architecture in a Supabase project. Provides complete schema, API templates, and frontend components for AuthHub-style authentication.

Review skill files for best practices compliance (naming, description, structure, size). Use when checking SKILL.md quality or getting feedback before publishing. Static analysis only - does NOT execute the skill.

Validate website parsing and browser automation feasibility by browsing and searching within a user-specified website scope using the chrome-devtools MCP server (mcp_servers.chrome-devtools); summarize results backed by observed page content (real titles/URLs), and open matching pages for review. Use when the user asks you to open a site, find specific content on it, run a site-scoped query, and keep the relevant pages open.

Expert knowledge of Final Fantasy XI private server development using LandSandBoat codebase. Use when working with FFXI game mechanics, LandSandBoat source code, database schema, Lua scripting, GM tools, or server administration.

인프라 계층(JpaEntity, Adapter, Repository) TDD 개발 지침. Red-Green-Refactor 사이클을 통해 테스트 주도 개발을 수행합니다. 실제 DB(Testcontainer)를 사용하며 Mocking하지 않습니다.

Production-ready Supabase database schemas for customers, subscriptions, payments, invoices, and webhook events with comprehensive Row Level Security policies. Use when setting up payment infrastructure, creating subscription tables, implementing secure payment data storage, or configuring RLS policies for multi-tenant payment systems.

Resets local development database by deleting all data and restarting API container to trigger auto-seeding. SINGLE SOURCE OF TRUTH for dev database reset automation.

Comprehensive NestJS framework skill for building scalable server-side applications. Use for TypeScript backend development with controllers, providers, modules, dependency injection, middleware, guards, interceptors, pipes, database integration (MikroORM + MongoDB), GraphQL, microservices, testing, and API documentation. Also triggers when working with NestJS TypeScript files (.ts), NestJS module files, nest-cli.json, or NestJS project structure. Example triggers: "Create NestJS controller", "Set up dependency injection", "Add middleware", "Create GraphQL resolver", "Build microservice", "Write NestJS test", "Set up database module"

Redis caching strategies for MCP servers - cache invalidation, TTL management, pub/sub patterns, and performance optimization