Claude Skills by FerroxLabs

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

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

MongoDB architecture and design mastery covering document schema design, advanced indexing strategies, aggregation pipeline patterns, sharding architecture, replica sets, multi-document transactions, change streams, Atlas cloud features, performance profiling, schema validation, and embedding vs referencing trade-offs. Use when the user asks about mongodb architect, mongodb architect best practices, or needs guidance on mongodb architect implementation. Do NOT use when the user needs a differ...

MySQL optimization expertise covering query optimization with EXPLAIN analysis, indexing strategies, InnoDB tuning, slow query log analysis, connection pooling, replication architectures (master-slave, group replication), partitioning, character set handling, and backup strategies using mysqldump and Percona XtraBackup. Use when the user asks about mysql optimizer, mysql optimizer best practices, or needs guidance on mysql optimizer implementation. Do NOT use when the user needs a different s...

ORM patterns and optimization expertise covering Active Record vs Data Mapper, Prisma/TypeORM/Sequelize/SQLAlchemy patterns, N+1 prevention, eager vs lazy loading, transaction management, raw query fallbacks, and migration generation. Use when the user asks about orm specialist, orm specialist best practices, or needs guidance on orm specialist implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

Advanced PostgreSQL mastery covering indexing strategies (GIN, GiST, BRIN, B-tree), table partitioning, pg_stat analysis, VACUUM tuning, connection pooling with PgBouncer, JSONB operations, full-text search, row-level security, replication topologies, and essential extensions like PostGIS and pg_cron. Use when the user asks about postgres expert, postgres expert best practices, or needs guidance on postgres expert implementation. Do NOT use when the user needs a different specialized skill or...

Message queue design expertise covering queue vs topic vs stream, delivery guarantees, dead letter queues, backpressure handling, RabbitMQ/Kafka/SQS patterns, event schema evolution, and ordering guarantees. Use when the user asks about queue architect, queue architect best practices, or needs guidance on queue architect implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

Rate limiting expertise covering token bucket, sliding window, fixed window, and leaky bucket algorithms, distributed rate limiting, API quota management, graceful degradation, client-friendly responses, and production implementation patterns. Use when the user asks about rate limiter designer, rate limiter designer best practices, or needs guidance on rate limiter designer implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology ...

Rate limiting design expertise covering token bucket, sliding window, fixed window, leaky bucket algorithms, distributed rate limiting, per-user/per-IP/per-API-key limits, response headers, retry-after, and graceful degradation. Use when the user asks about rate limiter, rate limiter best practices, or needs guidance on rate limiter implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

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

Comprehensive Redis expertise covering all data structures (strings, hashes, lists, sets, sorted sets, streams), pub/sub messaging, Lua scripting, Redis Cluster architecture, Sentinel high availability, persistence strategies (RDB/AOF), memory optimization techniques, and common application patterns including caching, sessions, rate limiting, leaderboards, and distributed locking. Use when the user asks about redis specialist, redis specialist best practices, or needs guidance on redis specia...

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

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

Search implementation expertise covering full-text search, indexing strategies, relevance scoring, faceted search, autocomplete, fuzzy matching, search analytics, and Elasticsearch/Typesense/Meilisearch patterns. Use when the user asks about search engineer, search engineer best practices, or needs guidance on search engineer implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

Expert guide for designing serverless applications using Lambda, Cloud Functions, and edge functions. Covers cold start optimization, event-driven patterns, infrastructure configuration, cost management, and production-ready serverless architectures. Use when the user asks about serverless architect, serverless architect best practices, or needs guidance on serverless architect implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technol...

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

SQLite expertise for application development covering WAL mode configuration, concurrent access patterns, FTS5 full-text search, JSON support, virtual tables, PRAGMA optimization, backup strategies, file locking behavior, embedding patterns for desktop and mobile apps, migration strategies, and understanding size and concurrency limits. Use when the user asks about sqlite specialist, sqlite specialist best practices, or needs guidance on sqlite specialist implementation. Do NOT use when the u...

Supabase platform expert covering PostgreSQL database design, Row Level Security policies, real-time subscriptions, auth configuration, storage buckets, edge functions, PostgREST API patterns, database migrations, and full-stack application architecture on the Supabase platform. Use when the user asks about supabase builder, supabase builder best practices, or needs guidance on supabase builder implementation. Do NOT use when the user needs a different specialized skill or is asking about an ...

Time-series database specialist covering InfluxDB and TimescaleDB deep dives, data retention policies, downsampling strategies, continuous aggregates, compression techniques, IoT data modeling, high-cardinality management, query optimization, and Grafana integration. Use when the user asks about time series db specialist, time series db specialist best practices, or needs guidance on time series db specialist implementation. Do NOT use when the user needs a different specialized skill or is a...

Time-series database design and operations covering InfluxDB, TimescaleDB, and QuestDB patterns, data retention policies, continuous aggregates, downsampling strategies, compression techniques, optimized query patterns for time-series data, alerting on metrics, IoT data modeling, and Grafana integration for visualization. Use when the user asks about timeseries db, timeseries db best practices, or needs guidance on timeseries db implementation. Do NOT use when the user needs a different speci...

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

Real-time communication expertise covering WebSocket protocol, Socket.IO patterns, connection lifecycle, room and channel management, reconnection strategies, scaling WebSockets, SSE vs WebSocket, heartbeat/ping-pong, and message serialization. Use when the user asks about websocket engineer, websocket engineer best practices, or needs guidance on websocket engineer implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

Guides expert-level websocket and real-time patterns implementation: web-development and frameworks decision frameworks, production-ready patterns, and concrete templates for websocket realtime patterns workflows. Use when the user asks about websocket and real-time patterns, websocket realtime patterns configuration, or backend best practices for websocket projects. Do NOT use when the user needs a different backend infrastructure capability -- check sibling skills in the backend infrastruct...

Designs A/B tests with hypothesis, control and variant definitions, primary metric, sample size calculation, test duration, and analysis plan using experimentation methodology. Use when the user asks about A/B testing, experiment design, split testing, hypothesis testing, or controlled experiments. Do NOT use for statistical analysis of completed tests (use a statistics skill), survey design (use employee-survey or user-research-plan), or feature prioritization (use prioritization-framework).

Agile methodology expert providing guidance on Scrum ceremonies, Kanban principles, sprint planning, backlog refinement, velocity tracking, burndown charts, retrospective formats, agile metrics, scaling frameworks (SAFe, LeSS), and anti-patterns. Use when the user asks about agile coach, agile coach best practices, or needs guidance on agile coach implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

Strategic guide for AI startups covering product-market fit, data moats, compute cost management, responsible AI practices, fundraising, team building, and navigating the unique challenges of building AI-first companies. Use when the user asks about ai startup navigator, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of ai startup navigator or requires a different specialized skill.

Expert guidance for short-term rental hosting covering listing optimization, dynamic pricing, guest communication, cleaning protocols, review management, Superhost qualification, legal and tax considerations, and scaling to a multi-property portfolio. Use when the user asks about airbnb host or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Produces a completed Ansoff growth-share matrix analysis with growth strategy selection, risk assessment, and implementation recommendations. Use when the user asks to evaluate growth strategies, decide between market penetration, market development, product development, or diversification, or plan growth direction for a business. Do NOT use for product portfolio evaluation (use bcg-matrix), competitive landscape analysis (use competitive-analysis), or full go-to-market planning (use go-to-ma...

Strategic and tactical guide to building API-as-a-product businesses covering API design, developer experience, documentation, pricing models, go-to-market strategy, developer support, and scaling an API platform. Use when the user asks about api first company builder, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of api first company builder or requires a different specialized skill.

Guides artists through the full commission lifecycle including pricing formulas, contract templates, revision policies, client communication, and delivery workflows for sustainable freelance art practices. Use when the user asks about art commission manager, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of art commission manager or requires a different specialized skill.

Art licensing business guidance covering licensing contract structures, royalty calculations, rights management, negotiation strategies, licensing categories, portfolio preparation for licensing, agent relationships, and revenue tracking. Includes contract clause templates, royalty rate references, and licensing channel strategies. Use when the user asks about art licensing guide, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the ...

Produces a completed BCG (Boston Consulting Group) growth-share matrix with product or business unit placement and investment recommendations. Use when the user asks to evaluate product portfolio, allocate resources across business units, classify products by growth and market share, or decide which products to invest in, maintain, or divest. Do NOT use for growth strategy direction (use ansoff-matrix), competitive positioning analysis (use competitive-analysis), or single-product market anal...

Guide to nonprofit board governance including roles and responsibilities, meeting facilitation, fiduciary duties, committee structure, board recruitment, evaluation, and succession planning. Use when the user asks about board governance or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Revenue-first business building without venture funding, covering lean operations, early profitability strategies, customer-funded growth, pricing for bootstrappers, hiring decisions, managing cash flow, and scaling sustainably on your own terms. Use when the user asks about bootstrapper playbook or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Creates a revenue-first growth plan with self-funding milestones, resource constraints, profitability targets, and bootstrapping-specific tactics for building a business without external investment. Use when the user asks about bootstrapping, self-funding a business, growing without investors, revenue-first growth, or building a profitable business from day one. Do NOT use for fundraising from investors (use fundraising-narrative), venture-backed growth (use scaling-checklist), or financial m...

Brand health assessment evaluating brand perception, consistency, positioning, visual identity, and competitive standing to produce an actionable brand health scorecard. Use when the user asks about brand health checker, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of brand health checker or requires a different specialized skill.

Calculates startup burn rate (gross and net), projects cash runway in months, and builds scenario analysis for different spending and revenue trajectories. Use when the user asks about burn rate, cash runway, how long their money will last, or startup cash management. Do NOT use for personal savings calculations (use budget-planning), full financial modeling (use financial-model-structure), or fundraising narrative (use fundraising-narrative).

Creates an annual business budget using zero-based budgeting methodology with department breakdown, fixed and variable cost separation, contingency allocation, and quarterly review cadence. Use when the user asks about business budgeting, annual budget planning, department budgets, or zero-based budgeting for a company. Do NOT use for personal household budgets (use budget-planning), financial modeling with P&L projections (use financial-model-structure), or pricing decisions (use pricing-str...

Business model viability assessment evaluating revenue model strength, market fit, competitive positioning, risk factors, and unit economics to produce an actionable validation scorecard. Use when the user asks about business model validator, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of business model validator or requires a different specialized skill.

Complete framework for selecting business partners, structuring equity splits, drafting operating agreements, defining roles and decision rights, resolving conflicts, planning exits, and protecting the business and the relationship through every stage. Use when the user asks about business partnership navigator or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Produces a completed one-page business plan using Lean Canvas or traditional format covering problem, solution, market, revenue model, and key metrics. Use when the user asks to create a business plan, write a business plan summary, outline a business model, or structure a startup idea on paper. Do NOT use for pitch deck narrative (use sales-pitch-deck), financial modeling detail (use financial-model-structure in a future plan), or competitive landscape analysis (use competitive-analysis).

Comprehensive business plan creation using Business Model Canvas, lean startup methodology, financial projections, competitive analysis, and go-to-market strategy frameworks. Use when the user asks about business planner or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Builds a simple capitalization table showing ownership percentages, share counts, and dilution scenarios for startup equity structures. Use when the user asks about cap tables, equity ownership, dilution, stock options, vesting, or startup share distribution. Do NOT use for public company stock analysis, personal investment decisions, financial modeling (use financial-model-structure), or legal advice on equity agreements.

Complete guide to starting and growing a cleaning business covering service pricing, supplies and equipment, scheduling systems, hiring and training, quality control, insurance requirements, client acquisition, and scaling from solo operator to team-based operation. Use when the user asks about cleaning business or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Guide to community organizing including issue identification, coalition building, mobilization strategies, meeting facilitation, advocacy campaigns, media engagement, and power mapping. Use when the user asks about community organizer or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Builds a total compensation analysis structure with market data interpretation, compensation band setting, and pay equity review using total compensation framework methodology. Use when the user asks about compensation benchmarking, salary bands, pay equity, market rate analysis, or total compensation structuring. Do NOT use for personal salary negotiation (use salary-negotiation), job offer writing (use offer-letter), or financial modeling (use financial-model-structure).

Produces a completed competitor comparison matrix with positioning analysis, capability gaps, and strategic recommendations using Porter's Five Forces framework. Use when the user asks to analyze competitors, compare market alternatives, evaluate competitive landscape, or assess competitive positioning. Do NOT use for internal strengths/weaknesses analysis (use swot-analysis), macro-environment scanning (use pestle-analysis), or product portfolio evaluation (use bcg-matrix).

Comprehensive competitive analysis including competitor identification, feature comparison matrices, pricing analysis, positioning maps, win/loss analysis, competitive intelligence gathering, differentiation strategy, and battle card creation. Use when the user asks about competitive analyst or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.

Competitive positioning assessment evaluating market position, competitive advantages, SWOT factors, and strategic moat strength to produce an actionable competitive analysis scorecard. Use when the user asks about competitive position analyzer, related techniques, best practices, or needs guidance in this domain. Do NOT use when the request is outside the scope of competitive position analyzer or requires a different specialized skill.

Complete guide to building and running an independent consulting practice including niche positioning, proposal and SOW creation, rate setting, client acquisition, project management, deliverable design, retainer structures, and scaling strategies. Use when the user asks about consulting practice or needs help with related topics. Do NOT use for unrelated domains or when a more specialized skill exists.