Claude Skills by JantonioFC

Frontend engineering review — walks the 7 Matt Pocock forcing questions (device, LCP target, rendering, bundle budget, SEO vs auth, design system, WCAG), picks the framework + rendering profile, forks into specialists (a11y-audit, performance-profiler, epic-design).

Fullstack-engineering orchestrator. Walks the Matt Pocock 7-question forcing-question grill, runs the deterministic profile picker.

Fullstack engineering review — walks the 7 Matt Pocock forcing questions, picks the profile, forks into POWERFUL specialists (api-design-reviewer, database-designer, slo-architect). Invokes the cs-fullstack-engineer agent with context fork.

Reviews staged git changes against Karpathy's 4 coding principles. Runs complexity_checker on changed files, diff_surgeon on the diff, and produces a verdict with specific fix recommendations.

Founder onboarding interview that captures company context across 7 dimensions.

Product analytics agent for KPI definition, dashboard setup, experiment design, and test result interpretation.

Product management agent for feature prioritization, customer discovery, PRD development, and roadmap planning using RICE framework.

Product strategy agent for quarterly OKR planning, competitive landscape analysis, product vision development, and strategy pivot evaluation.

Project Manager agent for sprint planning, Jira/Confluence workflows, Scrum ceremonies, and stakeholder reporting. Orchestrates project-management skills.

Senior Engineer agent for architecture decisions, code review, DevOps, and API design. Orchestrates engineering and engineering-team skills for technical implementation work. Spawn when users need system design, code quality review, CI/CD pipeline setup, or infrastructure decisions.

UX research agent for research planning, persona generation, journey mapping, and usability test analysis.

Webinar & virtual-event marketing specialist agent.

/cs:webinar — Webinar & virtual-event marketing workflow. Plan a webinar from scratch (sized backward from the business goal), rescue one whose numbers disappointed (score the funnel, fix the broken stage), or turn a past webinar into an evergreen on-demand lead engine.

Dispatched sub-agent that ingests a new source into an LLM Wiki vault.

Dispatched sub-agent that answers queries against an LLM Wiki vault. Reads index.md first, drills into 3-10 relevant pages across categories, synthesizes an answer with inline [[wikilink]] citations, and offers to file the answer back into the wiki as a new comparison or synthesis page.

Dispatched sub-agent that runs a periodic health check on an LLM Wiki vault.

Google Workspace administration agent using the gws CLI. Orchestrates workspace setup, Gmail/Drive/Sheets/Calendar automation, security audits, and recipe execution. Spawn when users need Google Workspace automation, gws CLI help, or workspace administration.

Write modern C# code with advanced features like records, pattern matching,

C# and .NET testing patterns with xUnit, FluentAssertions, mocking, integration

Technical leadership guidance for engineering teams, architecture decisions,

Build, measure, and evolve company culture as operational behavior —

Index and search culture documentation

Operate customer billing workflows such as subscriptions, refunds, churn

'Research-backed customer persona creation with market data and avatar

When the user wants to conduct, analyze, or synthesize customer research.

Monitors customer health, predicts churn risk, and identifies expansion

Elite AI-powered customer support specialist mastering conversational

Interactive guided deployment flow for Azure OpenAI models with full

Interactive guided deployment flow for Azure OpenAI models with full

Codified expertise for customs documentation, tariff classification,

Optimize resumes by matching keywords to the job description, rewriting experience with the quantified STAR method, and checking ATS compatibility.

Scrapes content based on a preset URL list, filters high-quality technical

Documentation and capabilities reference for Daily

Production-ready Dart and Flutter patterns covering null safety, immutable

Build monitoring dashboards that answer real operator questions for Grafana,

Build scalable data pipelines, modern data warehouses, and real-time

Build features guided by data insights, A/B testing, and continuous measurement

You are a data pipeline architecture expert specializing in scalable,

Implement data quality validation with Great Expectations, dbt tests,

Expert data scientist for advanced analytics, machine learning, and statistical

Build a fully automated AI-powered data collection agent for any public

Transform data into compelling narratives using visualization, context,

Give agents persistent structural memory of a codebase — navigate dependencies,

Use when large data ingestion, backfill, export, ETL, warehouse loading,

'Data visualization with chart selection, color theory, and annotation

Expert database administrator specializing in modern cloud databases,

Expert database architect specializing in data layer design from scratch,

You are a cloud cost optimization expert specializing in reducing infrastructure

Database design principles and decision-making. Schema design, indexing

Use when the user asks to design database schemas, plan data migrations,