Database
Database management and queries
better-auth-best-practices
by lukevella
Skill for integrating Better Auth - the comprehensive TypeScript authentication framework.
query-tracing
by MaterializeInc
This skill should be used when the user wants to debug or trace where time is spent during query execution in Materialize. Trigger when the user mentions tracing queries, span analysis, query latency breakdown, Tempo traces, trace IDs, or wants to understand where time goes in CREATE TABLE, SELECT, INSERT, DROP, or any other SQL statement execution.
architecture-paradigm-functional-core
by athola
'Functional Core, Imperative Shell: isolate deterministic logic from
openspec-new-change
by rivet-dev
Start a new OpenSpec change using the experimental artifact workflow. Use when the user wants to create a new feature, fix, or modification with a structured step-by-step approach.
notion-spec-to-implementation
by Prat011
Turns product or tech specs into concrete Notion tasks that Claude code can implement. Breaks down spec pages into detailed implementation plans with clear tasks, acceptance criteria, and progress tracking to guide development from requirements to completion.
mssql
by sanjay3290
"Execute read-only SQL queries against multiple Microsoft SQL Server databases. Use when: (1) querying MSSQL/SQL Server databases, (2) exploring database schemas/tables, (3) running SELECT queries for data analysis, (4) checking database contents. Supports multiple database connections with descriptions for intelligent auto-selection. Blocks all write operations (INSERT, UPDATE, DELETE, DROP, etc.) for safety."
pnpm
by sanity-io
Node.js package manager with strict dependency resolution. Use when running pnpm specific commands, configuring workspaces, or managing dependencies with catalogs, patches, or overrides.
tsdown
by sanity-io
tsdown fast TypeScript library bundler powered by Rolldown and Oxc. Use when bundling TypeScript libraries, configuring entry points, or generating .d.ts declaration files.
epic-permissions
by epicweb-dev
Guide on RBAC system and permissions for Epic Stack
epic-database
by epicweb-dev
Guide on Prisma, SQLite, and LiteFS for Epic Stack
epic-auth
by epicweb-dev
Guide on authentication, sessions, OAuth, 2FA, and passkeys for Epic Stack
components-generators
by kubb-labs
Guidance for writing @kubb/react-fabric components and generators (React-based and function-based).
data-model-changes
by inkeep
"Guide for making changes to the database schema, validation, types, and data access layer. Use when adding tables, columns, relations, or modifying the data model. Triggers on: add table, add column, modify schema, database change, data model, new entity, schema migration."
mermaid-diagrams
by softaworks
Comprehensive guide for creating software diagrams using Mermaid syntax. Use when users need to create, visualize, or document software through diagrams including class diagrams (domain modeling, object-oriented design), sequence diagrams (application flows, API interactions, code execution), flowcharts (processes, algorithms, user journeys), entity relationship diagrams (database schemas), C4 architecture diagrams (system context, containers, components), state diagrams, git graphs, pie charts, gantt charts, or any other diagram type. Triggers include requests to "diagram", "visualize", "model", "map out", "show the flow", or when explaining system architecture, database design, code structure, or user/application flows.
deep-research
by sanjay3290
"Execute autonomous multi-step research using Google Gemini Deep Research Agent. Use for: market analysis, competitive landscaping, literature reviews, technical research, due diligence. Takes 2-10 minutes but produces detailed, cited reports. Costs $2-5 per task."
postgres
by sanjay3290
"Execute read-only SQL queries against multiple PostgreSQL databases. Use when: (1) querying PostgreSQL databases, (2) exploring database schemas/tables, (3) running SELECT queries for data analysis, (4) checking database contents. Supports multiple database connections with descriptions for intelligent auto-selection. Blocks all write operations (INSERT, UPDATE, DELETE, DROP, etc.) for safety."
indicator-buffer
by DaveSkender
Implement BufferList incremental indicators with efficient state management. Use for IIncrementFromChain or IIncrementFromQuote implementations. Covers interface selection, constructor patterns, and BufferListTestBase testing requirements.
ralph
by snarktank
"Convert PRDs to prd.json format for the Ralph autonomous agent system. Use when you have an existing PRD and need to convert it to Ralph's JSON format. Triggers on: convert this prd, turn this into ralph format, create prd.json from this, ralph json."
godot-genre-shooter
by thedivergentai
"Expert blueprint for FPS/TPS shooter games (Call of Duty, Counter-Strike, Apex Legends, Fortnite) covering weapon systems, recoil patterns, hitscan vs projectile, aim assist, multiplayer prediction, and gunplay feel. Use when building competitive shooters, battle royales, or tactical FPS games requiring responsive combat. Keywords hitscan, recoil pattern, aim assist, client prediction, weapon archetype, projectile physics, hit registration."
angular-signals
by zard-ui
Implement signal-based reactive state management in Angular v20+. Use for creating reactive state with signal(), derived state with computed(), dependent state with linkedSignal(), and side effects with effect(). Triggers on state management questions, converting from BehaviorSubject/Observable patterns to signals, or implementing reactive data flows.
setup-timescaledb-hypertables
by timescale
Use this skill when creating database schemas or tables for Timescale, TimescaleDB, TigerData, or Tiger Cloud, especially for time-series, IoT, metrics, events, or log data. Use this to improve the performance of any insert-heavy table. Trigger when user asks to: - Create or design SQL schemas/tables AND Timescale/TimescaleDB/TigerData/Tiger Cloud is available - Set up hypertables, compression, retention policies, or continuous aggregates - Configure partition columns, segment_by, order_by, or chunk intervals - Optimize time-series database performance or storage - Create tables for sensors, metrics, telemetry, events, or transaction logs Keywords: CREATE TABLE, hypertable, Timescale, TimescaleDB, time-series, IoT, metrics, sensor data, compression policy, continuous aggregates, columnstore, retention policy, chunk interval, segment_by, order_by Step-by-step instructions for hypertable creation, column selection, compression policies, retention, continuous aggregates, and indexes.
find-hypertable-candidates
by timescale
Use this skill to analyze an existing PostgreSQL database and identify which tables should be converted to Timescale/TimescaleDB hypertables. Trigger when user asks to: - Analyze database tables for hypertable conversion potential - Identify time-series or event tables in an existing schema - Evaluate if a table would benefit from Timescale/TimescaleDB - Audit PostgreSQL tables for migration to Timescale/TimescaleDB/TigerData - Score or rank tables for hypertable candidacy Keywords: hypertable candidate, table analysis, migration assessment, Timescale, TimescaleDB, time-series detection, insert-heavy tables, event logs, audit tables Provides SQL queries to analyze table statistics, index patterns, and query patterns. Includes scoring criteria (8+ points = good candidate) and pattern recognition for IoT, events, transactions, and sequential data.
design-postgres-tables
by timescale
Use this skill for general PostgreSQL table design. Trigger when user asks to: - Design PostgreSQL tables, schemas, or data models when creating new tables and when modifying existing ones. - Choose data types, constraints, or indexes for PostgreSQL - Create user tables, order tables, reference tables, or JSONB schemas - Understand PostgreSQL best practices for normalization, constraints, or indexing - Design update-heavy, upsert-heavy, or OLTP-style tables Keywords: PostgreSQL schema, table design, data types, PRIMARY KEY, FOREIGN KEY, indexes, B-tree, GIN, JSONB, constraints, normalization, identity columns, partitioning, row-level security Comprehensive reference covering data types, indexing strategies, constraints, JSONB patterns, partitioning, and PostgreSQL-specific best practices.
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.