Database
Database management and queries
2600-magazine
by plurigrid
Query and explore the 2600: The Hacker Quarterly magazine archive (1984-present) via DuckDB. Provides structured access to 168+ issues covering hacker culture, security, privacy, telephony, and digital rights without loading full content into context.
69-constructions Skill
by plurigrid
Add Interaction Exemplars here as the skill is used.
acset-superior-measurement
by plurigrid
Measure ACSets better than authors via surjectivity gadgets, Betti numbers,
grey-haven-data-validation
by greyhaven-ai
"Comprehensive data validation using Pydantic v2 with data quality monitoring and schema alignment for PlanetScale PostgreSQL. Use when implementing API validation, database schema alignment, or data quality assurance. Triggers: 'validation', 'Pydantic', 'schema', 'data quality'."
grey-haven-database-conventions
by greyhaven-ai
"Apply Grey Haven database conventions - snake_case fields, multi-tenant with tenant_id and RLS, proper indexing, migrations for Drizzle (TypeScript) and SQLModel (Python). Use when designing schemas, writing database code, creating migrations, setting up RLS policies, or when user mentions 'database', 'schema', 'Drizzle', 'SQLModel', 'migration', 'RLS', 'tenant_id', 'snake_case', 'indexes', or 'foreign keys'."
grey-haven-code-style
by greyhaven-ai
"Apply Grey Haven Studio's TypeScript/React and Python/FastAPI coding standards from production templates. Use when writing code, reviewing PRs, fixing linting errors, formatting files, or when the user mentions 'code standards', 'Grey Haven style', 'linting', 'Prettier', 'ESLint', 'Ruff', 'formatting rules', or 'coding conventions'. Includes exact Prettier/ESLint/Ruff configs, naming conventions, project structure, and multi-tenant database patterns."
grey-haven-ontological-documentation
by greyhaven-ai
Create comprehensive ontological documentation for Grey Haven systems - extract domain concepts from TanStack Start and FastAPI codebases, model semantic relationships, generate visual representations of system architecture, and document business domains. Use when onboarding, documenting architecture, or analyzing legacy systems.
grey-haven-data-modeling
by greyhaven-ai
Design database schemas for Grey Haven multi-tenant SaaS - SQLModel models, Drizzle schema, multi-tenant isolation with tenant_id and RLS, timestamp fields, foreign keys, indexes, migrations, and relationships. Use when creating database tables.
grey-haven-tanstack-patterns
by greyhaven-ai
"Apply Grey Haven's TanStack ecosystem patterns - Router file-based routing, Query data fetching with staleTime, and Start server functions. Use when building React applications with TanStack Start. Triggers: 'TanStack', 'TanStack Start', 'TanStack Query', 'TanStack Router', 'React Query', 'file-based routing', 'server functions'."
sql-query-starter
by proflead
Draft a basic SQL query from a simple requirement. Use when a junior developer needs help forming SELECT queries.
bd-to-br-migration
by ratacat
Migrate docs from bd (beads) to br (beads_rust). Use when updating AGENTS.md, converting bd commands, "bd sync" → "br sync --flush-only", or beads migration.
url-state-management
by andrelandgraf
Sync React state to URL query parameters for shareable filters, search, and deep-linkable dialogs with nuqs.
ai-chat
by andrelandgraf
Build a complete AI chat application with database persistence, chat list management, and automatic title generation.
testing
by andrelandgraf
Complete testing setup with Neon database branching, Playwright browser tests, integration tests, and unit tests. Isolated branches with automatic TTL cleanup.
stripe-subscriptions
by andrelandgraf
Complete subscription billing system with Stripe integration, feature flags for plan gating, webhook handling, and billing portal.
ai-agent-workflow
by andrelandgraf
Build resumable multi-agent workflows with durable execution, tool loops, and automatic stream recovery on client reconnection.
base-app-setup
by andrelandgraf
Complete setup guide for a Next.js app with Shadcn UI, Neon Postgres, Drizzle ORM, and AI SDK.
structure-first
by perhapsspy
Readable primary-flow–first code structuring with minimal boundaries, atomic composition, and contract-driven unit tests
kotlin-tdd
by anderssv
Kotlin Test-Driven Development with fakes, object mothers, and Testing Through The Domain. Uses TestContext for dependency injection, extension functions for test data, and fakes instead of mocks. Use when writing Kotlin tests or setting up test infrastructure.
notion-sync
by maroffo
"Sync Notion workspace to Obsidian vault with AI summaries. Use when user says notion sync, sync notion, pull from notion, push to notion, or /notion-sync. Not for direct Obsidian vault operations (use obsidian skill)."
docyrus-architect
by Docyrus
Use the Docyrus Architect MCP tools to manage data sources, fields, enums, apps, custom queries, and query data in the Docyrus platform. Use when the user asks to create, update, delete, or query data sources, fields, enum options, apps, or custom query templates via the docyrus-architect MCP server. Also use when building reports, dashboards, or performing data analysis that requires querying Docyrus data sources or running custom SQL templates with filters, aggregations, formulas, pivots, or child queries.
tavily
by ArcaneOrion
使用 Tavily API 进行互联网搜索。当需要获取实时新闻、技术研究、深度资料或限制特定域名搜索时使用该技能。
sql-pro
by alexander-danilenko
Use when optimizing SQL queries, designing database schemas, or tuning database performance. Invoke for complex queries, window functions, CTEs, indexing strategies, query plan analysis.
lang-go
by joncrangle
Go 1.23+ development specialist covering Chi, GORM, and concurrent programming patterns. Use when building high-performance microservices, CLI tools, or cloud-native applications.