Database
Database management and queries
journal
by maragudk
Guide for using the AI's persistent journal database
decisions
by maragudk
Guide for recording significant architectural and design decisions in docs/decisions.md. Use this skill when clearly significant architectural decisions are made (database choices, frameworks, core design patterns) or when explicitly asked to document a decision. Be conservative - only suggest for major decisions, not minor implementation details.
marimo
by maragudk
Guide for creating and working with marimo notebooks, the reactive Python notebook that stores as pure .py files. This skill should be used when creating, editing, running, or deploying marimo notebooks.
go
by maragudk
Guide for how to develop Go apps and modules/libraries. Always use this skill when reading or writing Go code.
ralph
by rohunj
"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."
readme
by Shpigford
When the user wants to create or update a README.md file for a project. Also use when the user says "write readme," "create readme," "document this project," "project documentation," or asks for help with README.md. This skill creates absurdly thorough documentation covering local setup, architecture, and deployment.
prisma
by fellipeutaka
Prisma ORM — type-safe database toolkit for TypeScript/Node.js. Schema-first approach with Prisma Schema Language, auto-generated type-safe client, migrations via Prisma Migrate. Use when defining database models in schema.prisma, writing CRUD queries with Prisma Client, setting up relations (1-1, 1-n, m-n), running migrations (prisma migrate dev/deploy), configuring prisma.config.ts, using raw SQL/TypedSQL, creating client extensions, or working with PostgreSQL, MySQL, SQLite, SQL Server, MongoDB, CockroachDB.
nuqs
by fellipeutaka
Type-safe URL query state management with nuqs 2.x. Use when writing or reviewing code that uses useQueryState, useQueryStates, URL search params, query parameters, nuqs parsers, createLoader, createSearchParamsCache, createSerializer, or URL state in Next.js, React, Remix, React Router, or TanStack Router.
python-data-state
by ahgraber
Use when designing data ownership, validation boundaries, consistency models, or configuration strategy in Python. Also use when encountering unclear ownership across modules, shared mutable state leaking between layers, validation gaps at ingress, cross-module transactional coupling, or config drift between environments.
bun
by fellipeutaka
Bun runtime, package manager, bundler, and test runner. Use when running scripts with bun, managing packages, serving HTTP with Bun.serve, querying databases with Bun.sql/bun:sqlite/Bun.redis, shell scripting with $, using S3/file I/O, writing tests with bun:test, bundling or compiling to executable, or using any Bun-specific API (spawn, glob, semver, FFI, workers, plugins, HTMLRewriter).
tanstack-query
by fellipeutaka
TanStack Query (React Query) v5 best practices for data fetching, caching, mutations, and server state management. Use when building data-driven React applications, setting up query configurations, implementing mutations/optimistic updates, configuring caching strategies, integrating with SSR, or fixing v4→v5 migration errors.
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".
testing-react-with-vitest
by bnadlerjr
Expert guidance for writing Vitest tests for React applications using React Testing Library. Covers component tests, custom hooks, utility tests, sociable testing philosophy, and the RTL query priority system. Favors sociable tests over heavy mocking, stubs over mocks. Use when working with .test.ts/.test.tsx files, vitest.config.ts, React Testing Library, @testing-library/user-event, @testing-library/jest-dom, renderHook, or when discussing React testing patterns, component testing, hook testing, or test organization.
async-python-patterns
by acaprino
Master Python asyncio, concurrent programming, and async/await patterns for high-performance applications. Use when building async APIs, concurrent systems, or I/O-bound applications requiring non-blocking operations.
zod-v4
by BjornMelin
Expert guidance for Zod v4 schema validation in TypeScript. Use when designing schemas, migrating from Zod 3, handling validation errors, generating JSON Schema/OpenAPI, using codecs/transforms, or integrating with React Hook Form, tRPC, Hono, or Next.js. Covers all Zod v4 APIs including top-level string formats, strictObject/looseObject, metadata, registries, branded types, and recursive schemas.
python-types-contracts
by ahgraber
Use when defining or evolving public interfaces, schema boundaries, or pydantic usage in Python. Also use when annotations are missing on public APIs, pydantic models appear everywhere instead of at trust boundaries, contract changes lack migration guidance, or Any/object types are overused across module boundaries.
creating-agent-skills
by bnadlerjr
Expert guidance for creating, writing, and refining Claude Code Skills. Use when working with SKILL.md files, authoring new skills, improving existing skills, or understanding skill structure and best practices.
agent-evaluator
by arisng
Deterministic custom subagent selection helper. Use when you need a reproducible, auditable decision on which custom subagents to activate for a user query (runs scripts/agent_evaluator.py).
developing-elixir
by bnadlerjr
Comprehensive Elixir/Phoenix development expertise covering Phoenix controllers, routing, channels; LiveView components and real-time features; Ecto schemas, queries, migrations; OTP patterns (GenServer, Supervisor); functional domain modeling; GraphQL with Absinthe; and ExUnit testing. Use when working with .ex/.exs files, mix projects, Phoenix applications, or when the user mentions Elixir, Phoenix, Ecto, LiveView, OTP, GenServer, Supervisor, Absinthe, or ExUnit. Also use for defmodule, mix.exs, umbrella apps, or iex sessions.
fastify-best-practices
by fellipeutaka
Comprehensive best practices for Fastify development
better-auth
by fellipeutaka
Better Auth — framework-agnostic TypeScript authentication & authorization library. Covers setup, email/password, social OAuth (40+ providers), passkeys, magic links, 2FA, organizations, sessions, plugins, admin, hooks, and security hardening. Use when implementing auth with Better Auth: configuring auth instances, adding providers, setting up database adapters (Prisma, Drizzle, PostgreSQL, MySQL, SQLite, MongoDB), integrating with frameworks (Next.js, Nuxt, SvelteKit, Astro, Hono, Express, Elysia, Fastify, Expo), managing sessions, or extending with plugins.
python-testing
by ahgraber
Use when writing or reviewing tests for Python behavior, contracts, async lifecycles, or reliability paths. Also use when tests are flaky, coupled to implementation details, missing regression coverage, slow to run, or when unclear what tests a change needs.
Moerae - AI Memory
by Moerae-AI
Projects are independent databases. Use -p to target a specific project.
next-upgrade
by fellipeutaka
Upgrade Next.js to the latest version following official migration guides and codemods