Database
Database management and queries
timewarrior-efficient-entry
by vdesjardins
Use when you need to quickly log work activities and maintain consistent tags without duplicates or gaps
polizy-setup
by bratsos
Setup and installation guide for polizy authorization library. Use when adding authorization to a project, installing polizy, choosing storage adapters, or setting up for the first time.
polizy-storage
by bratsos
Storage adapter setup for polizy authorization. Use when configuring InMemory, Prisma, or custom storage adapters, database setup, or performance optimization.
nano-supabase
by filipecabaco
Skill for working with the nano-supabase codebase: a lightweight TypeScript library that emulates Supabase entirely in-browser/edge using PGlite (Postgres via WASM). Covers architecture, fetch adapter routing, auth/storage/data flows, PostgREST WASM parser, connection pooling, cross-runtime compatibility, build system, and testing conventions. Use when implementing features, fixing bugs, writing tests, or reviewing code in this project.
sqlite-db
by bfollington
General guide for using the sqlite3 CLI to build composable knowledge databases. Use this skill when creating SQLite databases, designing schemas, querying data, managing relationships, or building new sqlite-based domain skills. Provides the foundational patterns that all specialized sqlite skills build upon.
nextjs-migration-toolkit
by Blazity
"Required dependency for all next-migration-skills. Provides AST analysis and transform tools powered by ts-morph for analyzing routes, components, dependencies, and generating App Router code."
c3-query
by lagz0ne
Navigates C3 architecture docs and explores corresponding code to answer architecture questions. Use when the user asks: - "where is X", "how does X work", "explain X", "show me the architecture" - "find component", "what handles X", "diagram of X", "visualize X" - "describe X", "list components", "trace X", "flow of X" - References C3 IDs (c3-0, c3-1, adr-*) <example> Context: Project with .c3/ directory user: "explain what c3-101 does and how it connects to other components" assistant: "Using c3-query to navigate the architecture docs." </example> <example> Context: Project with .c3/ directory user: "show me a diagram of the C3 architecture" assistant: "Using c3-query to generate an architecture overview." </example> DO NOT use for changes (route to c3-change). DO NOT use for pattern artifact management — listing, creating, updating refs (route to c3-ref). Requires .c3/ to exist.
codebase-pattern-finder
by pratos
Finds similar implementations, usage examples, or existing patterns that can be modeled after. Returns concrete code examples with file:line references. Like codebase-locator but includes actual code details.
drizzle-best-practices
by honra-io
Drizzle ORM best practices for TypeScript projects using PostgreSQL. Use this skill when writing, reviewing, or optimizing Drizzle ORM schemas, queries, relations, migrations, or database configurations targeting Postgres. Apply these guidelines whenever you see drizzle-orm imports, pgTable definitions, drizzle-kit config files, or relational query patterns. Also use when setting up a new project with Drizzle + Postgres, migrating from another ORM, or troubleshooting type errors in Drizzle schemas.
power-query-coaching
by ThepExcel
Coaches users to transform messy data into clean, analysis-ready formats using Power Query UI. Diagnoses data problems, visualizes goals, and guides step-by-step transformations.
plugin-creator
by kdoronin
Comprehensive plugin development skill for Claude Code. Analyzes business requirements and creates complete plugins including MCP servers, skills, slash commands, or combinations thereof. Supports TypeScript, Python, and any other language. Provides architecture guidance, templates, and end-to-end implementation.
performance-audit
by truongnat
Audit and optimize application performance across frontend, backend, and database layers. Identifies bottlenecks, provides actionable optimization recommendations, and measures improvements. Use when the app feels slow, Lighthouse scores are low, or API response times exceed targets.
code-review
by truongnat
Perform deep semantic code reviews that go beyond syntax checking. Evaluates architecture adherence, security vulnerabilities, performance bottlenecks, and maintainability. Use when reviewing PRs, auditing code quality, or when the user asks for a code review of any file or module.
unclawg-discover
by build000r
Multi-platform customer discovery for any domain. Searches Reddit, Hacker News, Twitter/X (Apify), and LinkedIn (Apify), filters noise, and outputs a ranked engagement feed with normalized candidate records for downstream workflows. Use when: "/unclawg-discover", "/find-customers", "find customers", "find leads", "find outreach candidates", "find posts to reply to", "build engagement queue".
clawgs
by build000r
Extract structured JSON from Claude Code and Codex JSONL session logs and run a reusable thought-emission daemon over stdio. Use when asked to parse agent transcripts, normalize .jsonl sessions, auto-discover current Claude/Codex logs by cwd, or generate thought updates from live session snapshots for downstream tools.
data-migration-expert
by ratacat
"Use this agent when reviewing PRs that touch database migrations, data backfills, or any code that transforms production data. This agent validates ID mappings against production reality, checks for swapped values, verifies rollback safety, and ensures data integrity during schema changes. Essential for any migration that involves ID mappings, column renames, or data transformations. <example>Context: The user has a PR with database migrations that involve ID mappings. user: \"Review this PR that migrates from action_id to action_module_name\" assistant: \"I'll use the data-migration-expert agent to validate the ID mappings and migration safety\" <commentary>Since the PR involves ID mappings and data migration, use the data-migration-expert to verify the mappings match production and check for swapped values.</commentary></example> <example>Context: The user has a migration that transforms enum values. user: \"This migration converts status integers to string enums\" assistant: \"Let me have the data-migration-ex..."
pseo-schema
by lisbeth718
Implement JSON-LD structured data and schema markup for programmatic SEO pages, including Article, FAQ, Breadcrumb, Product, and other context-specific schema types. Use when adding or fixing schema markup, implementing structured data, or when Google Search Console reports schema errors.
database-management-patterns
by manutej
Comprehensive guide for database management patterns covering PostgreSQL and MongoDB including schema design, indexing, transactions, replication, and performance tuning
vector-database-management
by manutej
Comprehensive guide for managing vector databases including Pinecone, Weaviate, and Chroma for semantic search, RAG systems, and similarity-based applications
postgresql-database-engineering
by manutej
Comprehensive PostgreSQL database engineering skill covering indexing strategies, query optimization, performance tuning, partitioning, replication, backup and recovery, high availability, and production database management. Master advanced PostgreSQL features including MVCC, VACUUM operations, connection pooling, monitoring, and scalability patterns.
dbt-data-transformation
by manutej
Complete guide for dbt data transformation including models, tests, documentation, incremental builds, macros, packages, and production workflows
apache-spark-data-processing
by manutej
Complete guide for Apache Spark data processing including RDDs, DataFrames, Spark SQL, streaming, MLlib, and production deployment
fastapi-microservices-development
by manutej
Comprehensive guide for building production-ready microservices with FastAPI including REST API patterns, async operations, dependency injection, and deployment strategies
docker-compose-orchestration
by manutej
Container orchestration with Docker Compose for multi-container applications, networking, volumes, and production deployment