Claude Skills by FerroxLabs

Solar, wind, and community energy planning with ROI analysis, incentive navigation, system sizing, and implementation guidance for residential and small commercial projects Use when the user asks about renewable energy planner, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of renewable energy planner or requires a different specialized skill.

Comprehensive guide for evaluating residential solar energy systems including system sizing calculations, roof assessment, net metering policies, ROI analysis with payback period calculation, installer comparison framework, federal and state incentives (ITC, SRECs), battery storage considerations, financing options, and ongoing maintenance requirements. Use when the user asks about solar evaluator, or needs help with comprehensive guide for evaluating residential solar energy systems includin...

Regenerative farming practices, permaculture design principles, local food systems, soil health management, and small-scale growing strategies for sustainable food production Use when the user asks about sustainable agriculture advisor, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of sustainable agriculture advisor or requires a different specialized skill.

Guide to building a sustainable wardrobe including ethical brand evaluation, secondhand shopping strategies (ThredUp, Poshmark, consignment), capsule wardrobe principles for sustainability, fabric guide covering organic, recycled, and problematic materials, clothing care techniques to extend garment life, and basic repair and mending skills. Use when the user asks about sustainable fashion, or needs help with guide to building a sustainable wardrobe including ethical brand evaluation, secondh...

Sustainable investing expertise covering ESG criteria evaluation, greenwashing detection, impact measurement frameworks, sustainable fund selection, screening strategies (negative, positive, thematic), ESG rating provider comparison, regulatory landscape (EU SFDR, SEC), and building a values-aligned investment portfolio. Use when the user asks about sustainable investing guide, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the sco...

Evaluates purchasing decisions across product categories by comparing eco-alternatives to conventional options using quality-longevity scoring, lifecycle cost analysis, and environmental impact criteria. Gathers the user's shopping needs, budget, and priorities to produce a category-by-category sustainable purchasing framework without brand endorsements. Use when the user asks about eco-friendly product alternatives, sustainable shopping practices, evaluating product longevity vs. disposabili...

Conducts a household waste audit and produces a zero-waste action plan organized by waste stream (trash, recycling, compost, hazardous). Gathers the user's current waste habits, housing situation, and local services to produce a prioritized reduction plan with estimated waste diversion percentages and cost savings. Use when the user asks about reducing household waste, starting a zero-waste journey, improving recycling habits, or conducting a waste audit. Do NOT use for commercial or industri...

Creates a room-by-room water conservation plan with usage impact estimates in gallons per day saved per intervention. Gathers the user's housing type, household size, climate, and current water habits to produce a prioritized action list with estimated savings distinguishing renter-accessible from homeowner improvements. Use when the user asks about reducing water usage, lowering water bills, conserving water at home, or understanding household water consumption patterns. Do NOT use for comme...

Rainwater harvesting, water efficiency strategies, drought-resistant landscaping, greywater systems, and comprehensive water conservation planning for homes and communities Use when the user asks about water conservation planner, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of water conservation planner or requires a different specialized skill.

Practical guide to reducing household waste using the 5R framework (refuse, reduce, reuse, recycle, rot), including waste audit methodology, room-by-room product swaps, composting setup options, bulk shopping strategies, DIY alternatives for common products, meal planning to reduce food waste, and zero-waste approaches for bathroom and kitchen. Use when the user asks about zero waste guide, or needs help with practical guide to reducing household waste using the 5r framework (refuse, reduce, ...

Accessibility testing expert covering automated a11y scanning with axe-core and Lighthouse, screen reader testing workflows, WCAG 2.1/2.2 compliance verification, keyboard navigation testing, color contrast analysis, ARIA pattern validation, and accessibility CI/CD integration. Use when the user asks about accessibility tester, accessibility tester best practices, or needs guidance on accessibility tester implementation. Do NOT use when the user needs a different specialized skill or is askin...

API fuzz testing expert covering property-based testing with Hypothesis and fast-check, fuzz testing strategies for REST and GraphQL APIs, edge case generation, mutation testing with Stryker and mutmut, boundary value analysis, schema-driven fuzzing, and automated discovery of bugs through randomized inputs. Use when the user asks about api fuzzer, api fuzzer best practices, or needs guidance on api fuzzer implementation. Do NOT use when the user needs a different specialized skill or is aski...

Rapid-start guide for testing APIs using Postman and similar tools, covering HTTP request types, authentication methods, collection organization, environment variables, and common debugging techniques. Use when the user asks about api testing quickstart, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of api testing quickstart or requires a different specialized skill.

Chaos engineering expert covering steady state hypothesis definition, fault injection techniques, game day planning and execution, blast radius management, resilience testing patterns, failure mode analysis, and progressive chaos maturity from development through production environments. Use when the user asks about chaos engineer, chaos engineer best practices, or needs guidance on chaos engineer implementation. Do NOT use when the user needs a different specialized skill or is asking about ...

Contract testing expertise covering the Pact framework, consumer-driven contract design, provider verification, Pact Broker setup, can-i-deploy workflow, contract versioning strategies, webhook integration for CI, API evolution testing, and GraphQL contract patterns. Use when the user asks about contract tester, contract tester best practices, or needs guidance on contract tester implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated techn...

Guides expert-level contract testing implementation: api-design and automation decision frameworks, production-ready patterns, and concrete templates for contract testing workflows. Use when the user asks about contract testing, contract testing configuration, or testing best practices for contract projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Guides expert-level coverage analysis implementation: clean-code and best-practices decision frameworks, production-ready patterns, and concrete templates for coverage analysis workflows. Use when the user asks about coverage analysis, coverage analysis configuration, or testing best practices for coverage projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

End-to-end test automation expertise covering Playwright and Cypress patterns, page object model design, test selector strategies (data-testid), wait strategies for asynchronous content, screenshot comparison, parallel execution, flaky test management, CI integration, and comprehensive test reporting. Use when the user asks about e2e test architect, e2e test architect best practices, or needs guidance on e2e test architect implementation. Do NOT use when the user needs a different specialized...

Guides expert-level e2e testing patterns implementation: automation and web-development decision frameworks, production-ready patterns, and concrete templates for e2e testing patterns workflows. Use when the user asks about e2e testing patterns, e2e testing patterns configuration, or testing best practices for e2e projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Integration test design expertise covering test boundary identification, database testing with Testcontainers, API testing strategies, message queue testing, external service mocking with WireMock, test data management, cleanup strategies, CI pipeline integration, and test environment configuration. Use when the user asks about integration tester, integration tester best practices, or needs guidance on integration tester implementation. Do NOT use when the user needs a different specialized s...

Guides expert-level integration testing patterns implementation: automation and best-practices decision frameworks, production-ready patterns, and concrete templates for integration testing patterns workflows. Use when the user asks about integration testing patterns, integration testing patterns configuration, or testing best practices for integration projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Load and stress testing expertise covering k6, Locust, and JMeter patterns, test scenario design (smoke, load, stress, spike, soak), virtual user modeling, think time configuration, ramp patterns, performance thresholds, result analysis, bottleneck identification, and cloud load testing strategies. Use when the user asks about load tester, load tester best practices, or needs guidance on load tester implementation. Do NOT use when the user needs a different specialized skill or is asking abou...

Guides expert-level mocking patterns implementation: tdd and design-patterns decision frameworks, production-ready patterns, and concrete templates for mocking patterns workflows. Use when the user asks about mocking patterns, mocking patterns configuration, or testing best practices for mocking projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Mutation testing expertise covering mutation operators, tool usage (Stryker for JS/TS, PITest for Java, mutmut for Python), mutation score interpretation, surviving mutant analysis, equivalent mutant handling, test suite improvement strategies, CI integration, and cost-effectiveness analysis. Use when the user asks about mutation tester, mutation tester best practices, or needs guidance on mutation tester implementation. Do NOT use when the user needs a different specialized skill or is askin...

Performance testing expert covering k6 and JMeter test design, load test patterns (smoke, load, stress, spike, soak), bottleneck identification, performance budgets, capacity planning, APM integration, client-side performance testing, and performance regression prevention. Use when the user asks about performance tester, performance tester best practices, or needs guidance on performance tester implementation. Do NOT use when the user needs a different specialized skill or is asking about an ...

Guides expert-level performance testing implementation: optimization and debugging decision frameworks, production-ready patterns, and concrete templates for performance testing workflows. Use when the user asks about performance testing, performance testing configuration, or testing best practices for performance projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Guides expert-level property-based testing implementation: tdd and automation decision frameworks, production-ready patterns, and concrete templates for property based testing workflows. Use when the user asks about property-based testing, property based testing configuration, or testing best practices for property-based projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Guides expert-level tdd workflow implementation: tdd and clean-code decision frameworks, production-ready patterns, and concrete templates for tdd workflow workflows. Use when the user asks about tdd workflow, tdd workflow configuration, or tdd best practices for tdd projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Test data generation expertise covering Faker libraries across languages, factory patterns (Factory Boy, Fishery), seed data management, data anonymization techniques, synthetic data generation, constraint satisfaction, maintaining data relationships, database seeding strategies, and snapshot testing for data validation. Use when the user asks about test data generator, test data generator best practices, or needs guidance on test data generator implementation. Do NOT use when the user needs ...

Guides expert-level test data management implementation: automation and database decision frameworks, production-ready patterns, and concrete templates for test data management workflows. Use when the user asks about test data management, test data management configuration, or testing best practices for test projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Guides expert-level test refactoring implementation: refactoring and clean-code decision frameworks, production-ready patterns, and concrete templates for test refactoring workflows. Use when the user asks about test refactoring, test refactoring configuration, or testing best practices for test projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Guides expert-level test strategy design implementation: architecture and best-practices decision frameworks, production-ready patterns, and concrete templates for test strategy design workflows. Use when the user asks about test strategy design, test strategy design configuration, or testing best practices for test projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Testing strategy assessment evaluating coverage gaps, test quality, test architecture, automation maturity, and ROI to produce an actionable testing scorecard. Use when the user asks about testing coverage analyzer, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of testing coverage analyzer or requires a different specialized skill.

Unit test mastery covering test structure (Arrange-Act-Assert), naming conventions, test isolation principles, mocking strategies across frameworks (jest.mock, unittest.mock, Mockito), assertion patterns, edge case coverage, parameterized tests, and test doubles taxonomy (spy, stub, fake, dummy, mock). Use when the user asks about unit test writer, unit test writer best practices, or needs guidance on unit test writer implementation. Do NOT use when the user needs a different specialized skil...

Guides expert-level unit testing patterns implementation: tdd and best-practices decision frameworks, production-ready patterns, and concrete templates for unit testing patterns workflows. Use when the user asks about unit testing patterns, unit testing patterns configuration, or testing best practices for unit projects. Do NOT use when the user needs a different testing quality capability -- check sibling skills in the testing quality subcategory.

Visual regression testing expert covering Chromatic and Percy workflows, screenshot comparison strategies, component-level visual testing with Storybook, responsive breakpoint testing, visual diff thresholds, baseline management, CI integration, and false positive reduction. Use when the user asks about visual regression tester, visual regression tester best practices, or needs guidance on visual regression tester implementation. Do NOT use when the user needs a different specialized skill or...

Creates a structured comparison framework for evaluating hotels, hostels, vacation rentals, and other accommodation types. Produces a weighted scoring rubric with red-flag indicators and a side-by-side comparison table. Use when the user asks about choosing between accommodation options, evaluating rental listings, comparing hotel types, or creating accommodation selection criteria for a trip. Do NOT use for general trip planning (use trip-itinerary-builder), budget optimization (use budget-t...

Plans adventure activities for travel trips including activity selection, booking sequences, gear checklists, and difficulty assessments. Produces a step-by-step booking workflow with decision criteria at each stage. Use when the user asks about planning adventure activities abroad, booking outdoor experiences, creating activity itineraries for active trips, or organizing multi-day adventure excursions. Do NOT use for general trip itinerary building (use trip-itinerary-builder), fitness train...

Creates a booking-window and alert strategy for finding low-fare airfare. Produces a search timeline, fare monitoring plan, and booking decision framework based on route type, travel dates, and flexibility. Use when the user asks about finding cheap flights, when to book airfare, how to set fare alerts, or how to optimize flight search timing. Do NOT use for trip itinerary building (use trip-itinerary-builder), travel day logistics (use travel-day-optimizer), or travel rewards and points stra...

Creates a terminal-to-gate workflow with check-in timelines, security preparation steps, connection procedures, and gate-area logistics. Gathers flight details, airport, traveler experience level, and special needs to produce a timed step-by-step airport navigation plan from arrival at the airport to boarding the plane. Use when the user asks about airport navigation, check-in procedures, how early to arrive at the airport, connecting flight logistics, or getting through security efficiently....

Helps families prepare for the school year with supply planning, routine building, extracurricular management, and transition strategies for smooth academic starts. Use when the user asks about back to school organizer, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of back to school organizer or requires a different specialized skill.

Flight deal strategies, accommodation optimization, travel rewards maximization, destination research, packing efficiency, and cost-saving techniques for affordable travel. Use when the user asks about budget travel hacker, or needs help with flight deal strategies, accommodation optimization, travel rewards maximization, destination research, packing efficiency, and cost-saving techniques for affordable travel. Do NOT use when the request requires professional specialized advice or falls out...

Creates line-item travel budget breakdowns by category (accommodation, transport, food, activities, contingency) with per-day and total cost estimates. Gathers destination, trip duration, traveler count, and spending preferences to produce a currency-agnostic cost table the user can track against actual spending. Use when the user asks to create a travel budget, estimate trip costs, plan a budget-friendly vacation, or break down travel expenses by category. Do NOT use for annual personal fina...

Budget travel guide covering flight booking strategies and timing, accommodation alternatives like hostels, house-sitting, and Couchsurfing, free activity finding, food budget tips, travel credit card optimization, shoulder season travel, and cost comparison by destination. Use when the user asks about budget travel, or needs help with budget travel guide covering flight booking strategies and timing, accommodation alternatives like hostels, house-sitting, and couchsurfing, free activity find...

Complete guide to catering planning covering menu design by event type, dietary accommodation strategies, quantity calculations, event timeline management, vendor coordination, food presentation and display, per-head budgeting, and cleanup logistics. Use when the user asks about catering planner or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Creates self-guided walking tours with timed segments, turn-by-turn navigation notes, and point-of-interest descriptions. Produces a complete walking route with estimated times between stops, rest points, and alternate shortcuts. Use when the user asks about creating a walking tour of a city, building a self-guided neighborhood walk, planning a themed walking route, or organizing a sightseeing walk with specific time constraints. Do NOT use for cultural site deep dives (use cultural-experienc...

Complete guide to organizing conferences and large events covering venue selection, speaker management, agenda design, sponsorship acquisition, registration systems, A/V requirements, volunteer coordination, post-event follow-up, and budget management. Use when the user asks about conference organizer or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Complete guide to managing corporate events covering team building activities, product launches, holiday parties, awards ceremonies, hybrid event execution, vendor management, executive stakeholder expectations, and post-event ROI measurement. Use when the user asks about corporate event manager or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Creates a cultural site prioritization and visit planning framework for travel destinations. Produces ranked site lists with visit timing, etiquette notes, and logistical details. Use when the user asks about planning cultural visits abroad, prioritizing museums and historical sites, understanding local cultural practices, or creating a culture-focused travel day. Do NOT use for general itinerary building (use trip-itinerary-builder), local food experiences (use food-tourism-planner), or walk...

Cultural etiquette and travel guide covering country-specific customs, greeting protocols, dining etiquette, tipping practices, dress codes, religious site respect, common faux pas, basic phrases, gesture meanings, and gift-giving customs. Use when the user asks about culture guide, or needs help with cultural etiquette and travel guide covering country-specific customs, greeting protocols, dining etiquette, tipping practices, dress codes, religious site respect, common faux pas, basic phrase...