Testing

by microbus-io

TRIGGER when user asks to add or modify a metric, counter, gauge, or histogram, or to track/measure an operation.

by microbus-io

TRIGGER when user asks to add a recurring job, periodic task, scheduled operation, or ticker.

by jezweb

Build WCAG 2.1 AA compliant websites with semantic HTML, proper ARIA, focus management, and screen reader support. Includes color contrast (4.5:1 text), keyboard navigation, form labels, and live regions.Use when implementing accessible interfaces, fixing screen reader issues, keyboard navigation, or troubleshooting "focus outline missing", "aria-label required", "insufficient contrast".

by different-ai

Canonical Resend inbox for ben-agent@zerofinance.ai

by jezweb

Clerk auth with API Keys beta (Dec 2025), Next.js 16 proxy.ts, API version 2025-11-10 breaking changes, clerkMiddleware() options, webhooks, and component reference. Use when: API keys for users/orgs, Next.js 16 middleware filename, troubleshooting JWKS/CSRF/JWT errors, webhook verification, or testing with 424242 OTP.

by jezweb

Add bot protection with Turnstile (CAPTCHA alternative). Use when: protecting forms, securing login/signup, preventing spam, migrating from reCAPTCHA, integrating with React/Next.js/Hono, implementing E2E tests, or debugging CSP errors, token validation failures, or error codes 100*/300*/600*.

by jezweb

Build durable workflows with Cloudflare Workflows (GA April 2025). Features step.do, step.sleep, waitForEvent, Vitest testing, automatic retries, and state persistence for long-running tasks.Use when: creating workflows, implementing retries, or troubleshooting NonRetryableError, I/O context, serialization errors.

by different-ai

Debug production issues on Vercel using logs, database inspection, and proper deployment waiting

by jezweb

Implement OAuth 2.0 authentication with GitHub and Microsoft Entra (Azure AD) in Cloudflare Workersand other edge environments. Covers provider-specific quirks, required headers, scope requirements,and token handling without MSAL.Use when: implementing GitHub OAuth, Microsoft/Azure AD authentication, handling OAuth callbacks,or troubleshooting 403 errors in OAuth flows.

by jezweb

Build browser automation and web scraping with Playwright on your local machine. Includes stealth mode for anti-bot bypass, authenticated sessions, infinite scroll handling, screenshot/PDF generation, and residential IP advantages.Use when: automating browsers, scraping protected sites, testing with real IPs, bypassing bot detection, generating screenshots/PDFs, or troubleshooting "target closed", "element not found", or "navigation timeout" errors.

by jezweb

Implement performant responsive images with srcset, sizes, lazy loading, and modern formats (WebP, AVIF). Covers aspect-ratio for CLS prevention, picture element for art direction, and fetchpriority for LCP optimization.Use when: adding images to pages, optimizing Core Web Vitals, preventing layout shift, implementing art direction, or converting to modern formats.

by different-ai

Test feature branches on Vercel preview deployments using Chrome automation and Gmail OTP

by different-ai

Manage DNS records for domains hosted on Vercel using the Vercel CLI

by Thank-you-Linus

Rollback a failed release by deleting tags and reverting version changes. Use when a release fails, needs to be cancelled, or when reverting a problematic release.

by adcontextprotocol

Execute AdCP Signals Protocol operations with signal agents - discover audience signals using natural language and activate them on DSPs or sales agents. Use when users want to find targeting data, activate audience segments, or work with signal providers.

by rsmdt

REST and GraphQL API design patterns, OpenAPI/Swagger specifications, versioning strategies, and authentication patterns. Use when designing APIs, reviewing API contracts, evaluating API technologies, or implementing API endpoints.

by rsmdt

Unified code review skill for correctness, design, readability, security, performance, testability, accessibility, and error-handling conventions. Use when reviewing changes, enforcing quality standards, or identifying technical debt.

by rsmdt

Detect divergence between specifications and implementation during development.Use during implementation phases to identify scope creep, missing features,contradictions, or extra work not in spec. Logs drift decisions to spec README.

by rsmdt

Validate implementation against specifications (PRD/SDD/PLAN). Use whenverifying specification compliance, checking interface contracts, validatingarchitecture decisions, detecting deviations, or ensuring implementationsmatch documented requirements. Provides structured compliance reporting.

by rsmdt

Vulnerability review, threat modeling, OWASP patterns, and secure coding assessment. Use when reviewing code security, designing secure systems, performing threat analysis, or validating security implementations.

by ComposioHQ

Triage customer support tickets/emails/chats into categories, priority, and next action; draft responses and create reproducible steps; use for Zendesk/Intercom/Help Scout exports or pasted threads.

by rsmdt

Generate structured agent prompts with FOCUS/EXCLUDE templates for task delegation. Use when breaking down complex tasks, launching parallel specialists, coordinating multiple agents, creating agent instructions, determining execution strategy, or preventing file path collisions. Handles task decomposition, parallel vs sequential logic, scope validation, and retry strategies.

by rsmdt

Auto-detect project tech stacks (React, Vue, Express, Django, etc.). Recognize package managers and configuration patterns. Use when starting work on any project, analyzing dependencies, or providing framework-specific guidance.

by rsmdt

Writing effective tests and running them successfully. Covers layer-specific mocking rules, test design principles, debugging failures, and flaky test management. Use when writing tests, reviewing test quality, or debugging test failures.

by rsmdt

Interview techniques, persona creation, journey mapping, and usability testing patterns. Use when planning research, conducting user interviews, creating personas, mapping user journeys, or designing usability tests. Essential for user-research, requirements-analysis, and interaction-architecture agents.

by rsmdt

User research and insight synthesis for interviews, usability testing, personas, journey mapping, and actionable product/design recommendations. Use when planning studies, collecting evidence, synthesizing patterns, or converting findings into prioritized decisions.

by shinpr

Defines frontend environment variables, component design, and data flow patterns. Use when configuring React environment.

by shinpr

フロントエンドの環境変数、コンポーネント設計、データフローを定義。React環境設定時に使用。

by shinpr

Designs tests with React Testing Library and MSW. Applies component testing patterns.

by shinpr

React Testing LibraryとMSWでテストを設計。コンポーネントテストパターンを適用。

by shinpr

実装戦略（垂直スライス、水平、ハイブリッド）をリスク評価で選択。機能の実装計画時に使用。

by shinpr

統合テストとE2Eテストを設計。モック境界と振る舞い検証ルールを適用。E2Eテスト、統合テスト作成時に使用。

by shinpr

Provides project-specific prerequisites for AI execution accuracy — domain constraints, development phase, directory conventions, external resource access methods. Use when the session starts, when checking project structure, or when a task references domain rules or external resources outside the repository.

by shinpr

Defines environment variables, architecture design, and build/test commands. Use when configuring environment or designing architecture.

by shinpr

環境変数、アーキテクチャ設計、ビルド・テストコマンドを定義。環境設定、アーキテクチャ設計時に使用。

by shinpr

Vitestテスト設計と品質基準を適用。カバレッジ要件とモック使用ガイドを提供。ユニットテスト作成時に使用。

by lylo

Run the CI pipeline locally (brakeman, rubocop, importmap audit, tests). Use when asked to run CI, check code quality, or verify code before pushing.

by pemsley

NCS Reference Guidance

by pemsley

Best practices for protein structure refinement and validation in Coot. Use when performing (1) Residue refinement operations, (2) Model building and fitting, (3) Rotamer fixing, (4) Scripted/automated refinement workflows, (5) Validation and correlation checking.

by pemsley

How to handle Unmodelled Density Blobs

by pemsley

Comprehensive structure validation combining model-to-map analysis and unmodeled density detection

by danielmeppiel

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by groupzer0

Core software engineering principles (SOLID, DRY, YAGNI, KISS) with detection patterns and refactoring guidance. Load when reviewing code quality, planning architecture, or identifying technical debt.

by groupzer0

TDD workflow and test strategy patterns including test pyramid, coverage strategies, mocking approaches, and anti-patterns. Load when writing tests, designing test strategies, or reviewing test coverage.

by figma

Generates custom design system rules for the user's codebase. Use when user says "create design system rules", "generate rules for my project", "set up design rules", "customize design system guidelines", or wants to establish project-specific conventions for Figma-to-code workflows. Requires Figma MCP server connection.

by changkun

Comprehensive GitHub contribution analysis for any time period. Use when user asks about recent work, wants to review their contributions, needs a status update, or requests activity summary. Supports flexible formats: relative time (days/weeks/months/years), full years (2025), specific date ranges (2024-10-01 to 2024-12-31), and from-date-to-today. Provides detailed insights into PRs, commits, code reviews, and technical themes.

by figma

Translates Figma designs into production-ready code with 1:1 visual fidelity. Use when implementing UI from Figma files, when user mentions "implement design", "generate code", "implement component", "build Figma design", provides Figma URLs, or asks to build components matching Figma specs. Requires Figma MCP server connection.

by instructure

Run unit tests and instrumentation tests for Canvas Android apps. Use when user mentions testing, running tests, JUnit, Espresso, or checking test results. Includes commands for Student, Teacher, and Parent apps.

by jpicklyk

Backend development with Kotlin, Spring Boot, REST APIs. Use for backend, api, service, kotlin, rest tags. Provides validation commands, testing patterns, and blocker scenarios.

by jpicklyk

Help users create hooks that integrate with Task Orchestrator's workflow cascade events. Works with any MCP client (Claude Code, Claude Desktop, Cursor, Windsurf, etc.). Use when user wants to create hooks, automate workflows, react to cascade events, or integrate git/testing with task management.

by jpicklyk

Comprehensive testing strategies, test automation, quality assurance with JUnit, MockK, Jest. Use for testing, test, qa, quality, coverage tags. Provides test patterns, validation commands, coverage targets.

by CloudAI-X

Guides test strategy, TDD/BDD approaches, test coverage planning, and testing best practices. Use when designing test suites, improving coverage, or choosing testing approaches.

by lingfengQAQ

Reviews chapter quality using 5 specialized checkers and generates comprehensive reports. Activates when user requests chapter review or /webnovel-review.

by elithrar

Create and review Cloudflare Durable Objects. Use when building stateful coordination (chat rooms, multiplayer games, booking systems), implementing RPC methods, SQLite storage, alarms, WebSockets, or reviewing DO code for best practices. Covers Workers integration, wrangler config, and testing with Vitest.

by whawkinsiv

Turn ideas into clear, buildable specs for AI tools or stakeholder review. Use when starting features, planning projects, or when AI keeps building the wrong thing. Creates Quick Feature Specs (10-15 min) for immediate AI builds or Full Project Scopes (1-2 hours) for budget planning and contractor estimates.

by whawkinsiv

Test features before users find bugs. Use when feature is built, before deploying, or when bugs reported. Covers manual testing, edge cases, cross-browser testing, and testing checklists for non-technical founders.

by iPlug2

Create a new iPlug2 plugin project by duplicating TemplateProject in the iPlug2OOS repository

by iPlug2

Build and run an iPlug2 iOS app in the iOS Simulator

by koreal6803

Comprehensive guide for FinLab quantitative trading package for Taiwan stock market (台股). Use when working with trading strategies, backtesting, Taiwan stock data, FinLabDataFrame, factor analysis, stock selection, or when the user mentions FinLab, trading, 回測, 策略, 台股, quant trading, or stock market analysis. Includes data access, strategy development, backtesting workflows, and best practices.

by julianromli

Implement or extend a user-facing workflow in a web application, integrating with existing backend APIs. Use when the feature is primarily a UI/UX change backed by existing APIs, affects only the web frontend, and requires following design system, routing, and testing conventions.

by jxnl

OCR PDFs with docling while tracking per-page text and rasterize PDFs to images. Use for PDF ingestion, page-aware text extraction, rendering pages to images, or inspecting PDF metadata, with outputs saved under a local project directory.

by julianromli

Generate structured task lists from specs or requirements. IMPORTANT: After completing ANY spec via ExitSpecMode, ALWAYS ask the user: "Would you like me to generate a task list for this spec?" Use when user confirms or explicitly requests task generation from a plan/spec/PRD.

by owid

Check .meta.yml and snapshot .dvc files for spelling typos using codespell. Use when user mentions typos, spelling errors, metadata quality, or wants to check metadata files for mistakes.

by ooiyeefei

Web app MVP launch checklist knowledge. Auto-triggered when conversation involves "launch readiness", "MVP checklist", "production ready", "go live", or pre-launch verification. Provides the 10-point criteria for what counts as "done" in each area. Based on "Realistic MVP Launch Checklist (from building 30+ apps)".

by decentpaste

Resize screenshots to App Store required dimensions. Use when uploading screenshots to App Store Connect fails with "dimensions are wrong" error. Supports iPhone 6.7", 6.5", 5.5" and iPad sizes.

by decentpaste

Remove alpha channel (transparency) from iOS app icons. Apple App Store rejects icons with transparency. Use this after regenerating app icons or before iOS archive/upload to fix the "Invalid large app icon - can't be transparent or contain an alpha channel" error.

by Chachamaru127

CI red? Call us. Pipeline fire brigade deploys. Use when user mentions CI failures, build errors, test failures, or pipeline issues. Do NOT load for: local builds, standard implementation work, reviews, or setup.

by Chachamaru127

Verifies builds, recovers from errors, and applies review fixes. Use when user mentions build verification, error recovery, applying review fixes, test failures, lint errors, or CI breaks. Do NOT load for: implementation work, reviews, setup, or new feature development.

by proffesor-for-testing

Use when orchestrating QE agents, understanding PACTS principles, configuring the AQE v3 fleet, or leveraging AI agents as force multipliers for quality work.

by axone-protocol

Best practices for designing CosmWasm smart contract APIs. Use when defining message types, designing execute/query interfaces, or optimizing API ergonomics.

by proffesor-for-testing

Comprehensive API testing patterns including contract testing, REST/GraphQL testing, and integration testing. Use when testing APIs or designing API test strategies.

by proffesor-for-testing

Chaos engineering principles, controlled failure injection, resilience testing, and system recovery validation. Use when testing distributed systems, building confidence in fault tolerance, or validating disaster recovery.