Testing
Unit tests, integration tests, test automation
developing-typescript
by bnadlerjr
Comprehensive TypeScript/React development expertise covering advanced type systems, React component architecture, hooks patterns, state management, GraphQL integration with Apollo, performance optimization, and React Testing Library. Use when working with .ts/.tsx files, React components, or when the user mentions TypeScript, React, hooks, Context, Apollo, GraphQL codegen, React Testing Library, Vite, or Next.js. Also use for generic types, component patterns, or bundle optimization.
synthesizer
by dangeles
Use when multiple reviews or paper notes need integration, cross-cutting themes must be identified, or project-specific implications must be drawn from disparate sources
nix-flake
by negz
Develop projects that use a Nix flake. Use when building, testing, linting, running dev commands, or entering a dev shell for a project that has a flake.nix. NOT for running ad-hoc CLI tools - use nix-tools for that.
add_repo_inst
by ranbot-ai
Please browse the current repository under /workspace/{{ REPO_FOLDER_NAME }}, look at the documentation and relevant code, and understand the purpose of this repository.
light-sdk
by Lightprotocol
"Build rent-free Solana programs with Light SDK. For DeFi (AMMs, vaults, lending), infrastructure, or any Solana program. Anchor macros or Pinocchio patterns. Covers state structs, account creation, CPI, client SDK, router integration, and testing."
refactoring-code
by bnadlerjr
Identifies code smells and applies refactoring patterns for OOP and FP codebases. Use when improving code structure, reducing technical debt, cleaning up messy code, or when the user mentions refactoring, code smells, or "make this cleaner".
debug
by v1-io
Use when debugging errors, diagnosing failures, or tracing root causes from error output. Triggers on "debug this", "why is this failing", "trace the error".
ab-test-setup
by ranbot-ai
Structured guide for setting up A/B tests with mandatory gates for hypothesis, metrics, and execution readiness.
testing
by Lightprotocol
"Test Light Protocol programs and clients for localnet, devnet and mainnet"
practicing-tdd
by bnadlerjr
Enforces test-first development with Red-Green-Refactor cycle. Use when implementing features, fixing bugs, writing tests, or when someone mentions TDD, test-driven, "test first", or "write a failing test".
ai-strategist
by dangeles
Use when evaluating AI tools and agentic workflows against workflow gaps, when conducting quarterly landscape scans, or when assessing integration feasibility of new tools for startup workflows.
skill-creator
by negz
Create new skills, modify and improve existing skills. Use when users want to create a skill from scratch, turn a workflow into a skill, update or optimize an existing skill, improve a skill's description for better triggering accuracy, or when they mention SKILL.md files.
creating-agents
by bnadlerjr
Expert guidance for creating, auditing, and improving Claude Code agent definition files (.md). Use when working with ~/.claude/agents/ files, authoring new sub-agents, improving existing agents, or understanding agent configuration and system prompt best practices.
Algorithm
by robdtaylor
Universal 7-phase execution pattern for all work. USE WHEN starting complex tasks, needing structured approach, defining success criteria, or tracking work phases.
go-code-factoring
by negz
Factor and structure Go code for clarity, testability, and composability. Use when writing new Go code, refactoring existing code, reviewing code structure, adding interfaces, decomposing large functions or structs, or when the user mentions factoring, refactoring, architecture, or code organization. Also use before writing unit tests to ensure code is well structured.
eslint-plugin
by third774
Author custom ESLint plugins and rules with test-driven development. Supports flat config (ESLint 9+) and legacy formats. Uses @typescript-eslint/rule-tester for testing. Covers problem, suggestion, and layout rules including auto-fixers and type-aware rules. Use when creating or modifying ESLint rules, plugins, custom linting logic, or authoring auto-fixers.
interview-me
by v1-io
Collaboratively refine ideas through structured questioning - helping both Claude understand and the user crystallize their thinking. Use when the user provides an idea, feature request, Linear ticket, or concept that needs fleshing out. Triggers on requests like "interview me about X", "help me spec out Y", "I have an idea for Z", or when explicitly invoked. Output format adapts to context (update existing artifacts, create new specs, or just synthesize insights).
testing-elixir
by bnadlerjr
Provides expert guidance for writing ExUnit tests in Elixir. Covers core ExUnit patterns, assertions, sociable testing philosophy, Ecto sandbox and database testing, Phoenix controller/LiveView/channel tests, and external API testing with Bypass and Req.Test. Use when working with ExUnit tests, assertions, describe blocks, test organization, Bypass, Req.Test, factories, ExMachina, Ecto sandbox, ConnTest, LiveViewTest, ChannelTest, or test helpers.
fix-tests
by v1-io
Use when tests are failing and need systematic fixing until all pass. Triggers on "fix tests", "tests failing", "make tests pass".
Controlplan
by robdtaylor
Generate AIAG-format Control Plans linked to PFMEAs with proper inspection methods, frequencies, and reaction plans. Supports Prototype/Pre-launch/Production phases. USE WHEN user says 'control plan', 'CP', 'inspection plan', 'process control', 'sampling frequency', 'reaction plan', or 'special characteristics'. Integrates with PFMEA, AutomotiveManufacturing, and MSA skills.
go-unit-tests
by negz
Write unit tests for Go code. Use when creating, adding, or updating Go tests, writing table-driven tests, creating mocks or fakes, adding test coverage, or when the user mentions testing, cmp.Diff, assertions, or test cases. Also use when reviewing whether code is testable.
Automotiveproductplanning
by robdtaylor
Strategic 5-10 year product planning for low-volume sportscar and specialist vehicle manufacturers. Covers new production vehicles, restomods/continuation cars, bespoke commissions, and motorsport programmes. Board-ready financial analysis with NPV/IRR. Integrates with HoshinKanri, SupplyChain, and AutomotiveManufacturing skills. USE WHEN creating product roadmaps, model lifecycle planning, platform strategy, powertrain transitions, competitive positioning, or OEM partnership evaluation.
Costengineering
by robdtaylor
Manufacturing cost accounting, analysis, and reduction for automotive operations. Covers overhead/burden rate calculation, variance analysis, make vs buy decisions, value engineering, and cycle time to cost conversion. USE WHEN user says 'cost analysis', 'overhead rate', 'burden rate', 'variance analysis', 'make vs buy', 'value engineering', 'cost reduction', 'should cost', 'labour rate', or needs manufacturing cost guidance.
e2e-testing
by v1-io
Use when implementing E2E tests, debugging flaky tests, testing web applications with Playwright, or establishing E2E testing standards. Triggers on "e2e test", "end-to-end", "Playwright", "flaky test", "browser test".