Database
Database management and queries
querying-production-databases-via-metabase
by PostHog
Runs read-only production database analysis through PostHog's internal Metabase instances. Use for ClickHouse query logs, slow query cost, Postgres query plans, index selection, or tenant-size analysis. Covers US and EU database discovery, SSO login through hogli, safe query rules, and query patterns for both engines.
data-analysis
by bytedance
Use this skill when the user uploads Excel (.xlsx/.xls) or CSV files and wants to perform data analysis, generate statistics, create summaries, pivot tables, SQL queries, or any form of structured data exploration. Supports multi-sheet Excel workbooks, aggregation, filtering, joins, and exporting results to CSV/JSON/Markdown.
database-expert
by travisjneuman
Advanced database design and administration for PostgreSQL, MongoDB, and Redis. Use when designing schemas, optimizing queries, managing database performance, or implementing data patterns.
multi-cloud-architecture
by HermeticOrmus
Design multi-cloud architectures using a decision framework to select and integrate services across AWS, Azure, and GCP. Use when building multi-cloud systems, avoiding vendor lock-in, or leveraging best-of-breed services from multiple providers.
api-design-principles
by HermeticOrmus
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
nodejs-backend-patterns
by HermeticOrmus
Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when creating Node.js servers, REST APIs, GraphQL backends, or microservices architectures.
react-best-practices
by aiskillstore
Provides React patterns for hooks, effects, refs, and component design. Covers escape hatches, anti-patterns, and correct effect usage. Must use when reading or writing React components (.tsx, .jsx files with React imports).
sql-optimization-patterns
by HermeticOrmus
Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries, designing database schemas, or optimizing application performance.
windows-discovery
by blacklanternsecurity
Windows local privilege escalation enumeration and attack surface mapping.
llamaindex-agent
by a5c-ai
LlamaIndex agent and query engine setup for RAG-powered agents
chroma-integration
by a5c-ai
Chroma local vector database setup and operations for development and production
api-design-principles
by secondsky
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
api-filtering-sorting
by secondsky
Builds flexible API filtering and sorting systems with query parameter parsing, validation, and security. Use when implementing search endpoints, building data grids, or creating dynamic query APIs.
better-chatbot
by secondsky
better-chatbot project conventions and standards. Use for contributing code, following three-tier tool system (MCP/Workflow/Default), or encountering server action validators, repository patterns, component design errors.
Bun Jest Migration
by secondsky
Use when migrating from Jest to Bun's test runner, import compatibility, mocks, and config.
credential-dumping
by blacklanternsecurity
Extracts credentials from Active Directory: DCSync replication, NTDS.dit database extraction, SAM hive dump, Azure AD Connect (ADSync) credential extraction, LAPS passwords (legacy + Windows LAPS), gMSA passwords (KDS root key + GoldenGMSA), dMSA exploitation (BadSuccessor CVE-2025-21293), and DSRM credentials.
ecto-thinking
by georgeguimaraes
This skill should be used when the user asks to "add a database table", "create a new context", "query the database", "add a field to a schema", "validate form input", "fix N+1 queries", "preload this association", "separate these concerns", or mentions Repo, changesets, migrations, Ecto.Multi, has_many, belongs_to, transactions, query composition, or how contexts should talk to each other.
opencode-bridge
by different-ai
Bridge between OpenWork UI and OpenCode runtime
qmd
by tobi
Search markdown knowledge bases, notes, and documentation using QMD. Use when users ask to search notes, find documents, or look up information.
rds
by itsmostafa
AWS RDS relational database service for managed databases. Use when provisioning databases, configuring backups, managing replicas, troubleshooting connectivity, or optimizing performance.
human-oversight-protocol
by bdfinst
Approval gates, intervention commands, and transparency requirements. Use to classify any agent action as autonomous/notify/approve, respond to override/pause/stop commands, or structure a plan review before the implementation phase begins.
manufacturing-intelligence
by SimHacker
"The slogan unpacked — seven readings of 'Manufacturing Intelligence'"
constructionism
by SimHacker
Educational philosophy — learn by building inspectable things
datasette
by SimHacker
MOOLLM