Use when designing a theme system — design tokens, semantic token layering, CSS custom property strategy, runtime theme switching, and theme contract guarantees.
Master database schema and data migrations across ORMs (Sequelize, TypeORM, Prisma), including rollback strategies and zero-downtime deployments.
Use when formalizing domain meaning with classes, properties, constraints, RDF/OWL-style semantics, SHACL-like validation shapes, or reasoning-ready axioms.
Use when the user is unsure which skill to use or where to start. Interviews the user with targeted questions and recommends the best skill(s) from the installed library for their…
Use when drawing Domain-Driven Design boundaries: bounded contexts, context maps, ownership seams, upstream/downstream relationships, anti-corruption layers, shared kernels, and…
Use when naming artifacts across code, APIs, design tokens, commits, HTTP/status signals, UI labels, error codes, or branded types, especially when a name feels ambiguous or…
Use when designing a color system — palette construction, semantic color tokens, WCAG contrast ratios, perceptual uniformity in OKLCH/LCH, and light/dark mode parity.
Consumer-driven contract testing for microservices using Pact, schema validation, API versioning, and backward compatibility testing.
Frontend package architecture for ChainGraph visual flow editor. Use when working on apps/chaingraph-frontend, React components, Effector stores, XYFlow integration, UI…
Use when locating a bug in an unfamiliar codebase, tracing a failure from symptom to source, or choosing between candidate fixes after the symptom is observed but before a patch…
Use when designing or reviewing React Server Components: what an RSC can do (async, data fetching, server-only imports) versus what it cannot (state, effects, event handlers,…
Implement error tracking with Sentry for automatic exception monitoring, release tracking, and performance issues.
Use when defining or reviewing contracts between systems, modules, services, agents, jobs, events, APIs, or teams: ownership, inputs, outputs, invariants, compatibility, errors,…
Use when designing or auditing icon systems, colors/badges/shapes, visual metaphors, interface signs, or naming-plus-visual surfaces that users misread.
Use when extracting durable project knowledge from code, docs, issues, incidents, reports, screenshots, or conversations into reusable context such as skills, ADRs, glossaries,…
Cross-cutting best practices enforcement across code, templates, skills, prompts, scripts, documentation, pages, and design.
Analyze changesets with risk scoring, categorization by type/impact, and release note preparation
Use when reasoning about horizontal partitioning of data across nodes for storage capacity and write throughput beyond a single node: the three foundational partitioning schemes…
Use when designing or reviewing asynchronous event contracts: producer/consumer ownership, event envelope, schema, topic/channel naming, ordering, idempotency, versioning,…
Use when reasoning about the consistency-availability-partition-tolerance trade-off for distributed data systems: Brewer's CAP conjecture (2000), Gilbert & Lynch's 2002 formal…
Use when building an artifact whose purpose is to answer a specific question — paper sketch, wireframe, clickable mockup, wizard-of-oz, role-play, service prototype, or code spike…
Use when reasoning about the four ACID properties of database transactions — Atomicity, Consistency, Isolation, Durability — as foundational concepts beneath any transactional…
Use when implementing or reviewing an inbound webhook handler for any third-party provider - verifying signatures, deduplicating retries, choosing the right HTTP status code for…
Use when authoring any artifact that makes claims — skill content, documentation, audit findings, architecture proposals, code review comments.
Use when reasoning about the foundational theory beneath data modeling: Codd's relational model (1970) and the algebra it sits on, the normal forms (1NF, 2NF, 3NF, BCNF, 4NF, 5NF)…
Write and refine production-grade prompts and tool definitions for Claude. Use when the user needs to craft a system prompt, improve an existing prompt, design tool schemas (ACI),…
Documentation generation workflow covering API docs, architecture docs, README files, code comments, and technical writing.
Use when designing evaluations for AI agents, skills, routers, prompts, tool-use policies, or multi-step workflows: task sets, rubrics, graders, hard negatives, regression cases,…
Use when designing or reviewing HTTP-based systems where method semantics, status codes, idempotency, safe methods, conditional requests, content negotiation, caching headers, or…
Identify business entities, relationships, and high-level data structures from requirements and domain knowledge.
Research high-intent TikTok and Instagram search keywords using ScaleBrick's framework. Returns categorized keywords with intent type, search volume estimate, difficulty score,…
Use when writing or reviewing Postgres queries in a multi-tenant SaaS where every table row must be scoped to a single organization.
Guides agents implementing or auditing PostgreSQL Row Level Security in a multi-tenant SaaS codebase.
Use when designing telemetry semantics before or during implementation: logs, metrics, traces, events, spans, attributes, correlation IDs, SLOs, alert signals, and diagnostic…
Implementing and optimizing database connection pools for high-performance applications.
AI-simulated event storming workshop with multi-persona support. Use when discovering domain events, commands, actors, and bounded contexts.
Plan, conduct, and synthesize user research. Trigger with "user research plan", "interview guide", "usability test", "survey design", "research questions", or when the user needs…
Process the Refinery merge queue - collect agent work, detect and resolve conflicts, merge in dependency order, and verify integration.
Use when reasoning about types as a quality property of code: what guarantees the type system actually provides, the difference between sound and unsound systems, structural vs…
Test fixture exercising v3.1 SKOS predicates (related, broader, narrower) and the ADR 0006 split between boundary (routing-layer) and disjoint_with (OWL class-disjointness).
Use when reasoning about React Hooks as a discipline: when a render is the right shape for state, why the Rules of Hooks exist as a compile-time invariant, how the dependency…
Use when designing or auditing dependency structure: package boundaries, runtime vs build dependencies, adapter layers, duplicate-purpose libraries, supply-chain risk, upgrade…
Design E2E tests following user-story-driven patterns with verification checkpoints. Use when creating end-to-end tests, validating complete user journeys, or designing…
Stripe payment reconciliation for Sales Hub: webhook lifecycle (signature verification, idempotency, PII-redacted raw event storage, order linking, ledger projection,…
Use when designing database tables, reviewing schema changes, planning migrations, or translating conceptual models into physical database structures.
Use when designing or reviewing React error boundaries: what an error boundary catches (rendering errors, lifecycle errors, constructor errors) and what it does not (event handler…
Use when designing or reviewing Next.js Route Handlers (`route.ts`): when a Route Handler is right vs Server Actions or Server Components, the HTTP-method-as-export contract…
Implement state management patterns for frontend applications. Use when managing global state, handling complex data flows, or coordinating state across components.
Use when reasoning about the protocol-level cycle by which a language model uses external tools: the four phases (declaration, request, execution, continuation), the…
Use when a decision, intervention, policy, product change, metric target, or system fix needs analysis beyond the immediate effect: ask what happens next, how actors respond, what…
Use when designing a controlled classification system: category trees, facets, browse taxonomies, SKOS broader/narrower relationships, tagging rules, and duplicate-category…
This skill provides live data update patterns for web applications: webhook-to-UI push patterns, Server-Sent Events for dashboard updates, polling fallback strategies, optimistic…
This skill provides expertise in data and context compression: SaaS payload optimization (Zstd, Brotli, Gzip), database storage compression, and AI context window compression…
Use as the smallest v6-conformant capability fixture for skill-graph package tests. Activate this skill when verifying that lint, manifest generation, and routing accept the…
Use when authoring or reviewing the frontmatter of a markdown post — checking required fields (title, date, slug, tags), validating against the content schema in…
Use when authoring or reviewing a periodic-scan job that walks every external link in a markdown content set and flags 404s, redirects to unrelated content, and connection…
Use as the v6-conformant fixture exercising all four typed relation predicates (related, boundary, verify_with, depends_on) using the {skill, reason} object shape.
This skill provides mobile-specific UX patterns for SaaS dashboards: touch-friendly targets (44px minimum), thumb-zone optimization, swipe gestures, condensed data display, bottom…
This skill consolidates autonomous AI agent loop patterns: the Ralph Wiggum exit-code-2 pattern, our manage-loop (manage-continuation.json + manage-loop-hook.py), grind-loop.sh…
Use when reasoning about building language-model-integrated systems by writing evaluations before and alongside the system: the statistical (not binary) nature of LLM evals, the…