markus41

Authentication and authorization including JWT, OAuth2, OIDC, sessions, RBAC, and security analysis. Activate for login, auth flows, security audits, threat modeling, access control, and identity management.

Message Batches API for Claude with 50% cost savings on bulk processing. Activate for batch jobs, JSONL processing, bulk analysis, and cost optimization.

Document citations and RAG (Retrieval-Augmented Generation) patterns for Claude. Activate for source attribution, document grounding, citation extraction, and contextual retrieval.

Multi-step reasoning patterns and frameworks for systematic problem solving. Activate for Chain-of-Thought, Tree-of-Thought, hypothesis-driven debugging, and structured analytical approaches that leverage extended thinking.

Database design, SQL queries, migrations, and optimization. Activate for PostgreSQL, MySQL, SQLite, schema design, queries, indexes, and data modeling.

Analytical thinking patterns for comprehensive evaluation, code audits, security analysis, and performance reviews. Provides structured templates for thorough investigation with extended thinking support.

Extended thinking (ultrathink) configuration for Claude API. Activate for complex reasoning tasks, deep analysis, multi-step problem solving, and tasks requiring careful deliberation. Enables Claude's internal reasoning with configurable thinking budgets.

LLM integration patterns for Claude, GPT, Gemini, and Ollama. Activate for AI API integration, prompt engineering, token management, extended thinking, and multi-model orchestration.

This skill should be used when the user asks about developing, building, debugging, packaging, or certifying a custom Power BI visual with the pbiviz toolchain (powerbi-visuals-tools). Covers environment setup, the visual project structure, capabilities.json (data roles, dataView mappings, objects, features, privileges), the IVisual API lifecycle (constructor, update, getFormattingModel, destroy), reading the dataView (categorical, table, matrix, single), the modern format pane and formatting model utils, selection and cross-filtering, tooltips, context menus, drill-down, bookmarks, landing pages, rendering events, local storage, launchUrl, D3 rendering, unit testing, ESLint, packaging to a .pbiviz file, and submitting to AppSource / Partner Center for certification. Example user requests: "create a custom Power BI visual", "build a bar chart visual with pbiviz", "add a format pane card to my visual", "make my visual cross-filter other visuals", "why is my visual data view empty", "get my Power BI visual cert

Advanced Microsoft Fabric GitOps and CI/CD patterns for workspace Git integration, branch governance, deployment pipelines, and release validation.

Deep expertise in Power BI development including DAX measures, Power Query M transformations, semantic model design, PBIP project scaffolding, REST API workspace management, and Microsoft Fabric integration with Lakehouse and Direct Lake.

Reusable pattern for creating an Entra app registration, generating a cert, storing the PFX in Azure Key Vault, and wiring cert-based app-only + delegated auth into a Node/TypeScript MCP. Use whenever you need Claude to talk to a Microsoft API (Graph, Power BI, Fabric, Power Platform, Dynamics) without shared secrets or device-code prompts.

Data visualization with @fluentui/react-charting — LineChart, BarChart, PieChart, DonutChart, AreaChart, HeatMapChart, SankeyChart, TreeChart, GaugeChart, theming integration, responsive patterns, and accessibility in charts.

Fluent UI for iOS (Swift/UIKit) and Android (Kotlin) — platform setup, component catalogs, design token parity, CocoaPods/SPM for iOS, Gradle for Android, and Figma design kits for each platform.

Core skill for Microsoft Fluent 2 design system — design tokens, color system, typography, layout, component library overview, theming with FluentProvider, accessibility patterns, and iconography. This is the foundational skill; specialized topics are covered by dedicated skills (fluent-nextjs, fluent-griffel, fluent-extensibility, fluent-web-components, fluent-charting, fluent-cross-platform, fluent-forms, fluent-integration).

Extending and customizing Fluent UI React v9 — slots (4 levels of customization), custom variants, customStyleHooks, headless/unstyled patterns, custom component authoring, and comprehensive v8 to v9 migration guide with component mapping and incremental coexistence strategy.

Use this skill for Flutter app architecture, widgets/layout, testing, plugin/package development, Material 3 guidance, and Dart language best practices.

Use this skill for Harness CI/CD, IaCM, templates, connectors, integrations, pipelines, pull requests, APIs, feature flags, internal developer portal, and governance workflows.

Use this skill when users ask for Structurizr DSL, architecture diagrams, ADR integration, workspace API/admin API automation, plugins, MCP server usage, static site exports, and Java/DSL modeling workflows.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations.

Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos).

Use this skill for Helm charting and Kubernetes concepts/tasks/reference-driven implementation, including kubectl usage and contributor onboarding guidance.

Use this skill for Keycloak organizations, server administration/development, theming, release-related behavior changes, and ecosystem references.

Use this skill for Python 3.14 language/library guidance, uv package/project workflows, and Claude Code ecosystem references.

Authentication and authorization including JWT, OAuth2, sessions, and RBAC. Activate for login, auth flows, security, access control, and identity management.

Database design, SQL queries, migrations, and optimization. Activate for PostgreSQL, MySQL, SQLite, schema design, queries, indexes, and data modeling.

Debugging techniques for Python, JavaScript, and distributed systems. Activate for troubleshooting, error analysis, log investigation, and performance debugging.

Apply and manage the AI-powered design system with 50+ curated styles

Helm chart development, deployment, and management. Activate for helm install, upgrade, charts, values, templates, and Kubernetes package management.

LLM integration patterns for Claude, GPT, Gemini, and Ollama. Activate for AI API integration, prompt engineering, token management, and multi-model orchestration.

Testing patterns including pytest, unittest, mocking, fixtures, and test-driven development. Activate for test writing, coverage analysis, TDD, and quality assurance tasks.

Assists with building reports, dashboards, and data visualizations using Recharts and D3.js for the NABIP AMS. Use when creating member growth charts, revenue analytics, event performance metrics, email engagement tracking, or custom report builders with aggregations and scheduled exports.

Generates React 19 components using Shadcn/ui v4 and Radix UI primitives for the NABIP AMS. Use when creating forms, dialogs, data tables, dashboards, or custom UI components that follow the Apple/Stripe-inspired design system with Tailwind CSS v4.

Guides event lifecycle implementation including registration, capacity management, waitlists, QR code check-in, virtual/hybrid events, and post-event analytics for NABIP conferences, webinars, workshops, and networking events. Use when building event creation workflows, attendee management, or event performance tracking.

Guides implementation of member lifecycle workflows including registration, renewal, engagement tracking, and duplicate detection for 20,000+ members across national, state, and local NABIP chapters. Use when working on member onboarding, status changes, tier upgrades, or automated renewal processes.

Validates role-based access control (RBAC) implementation for four-tier permissions in the NABIP AMS (Member, Chapter Admin, State Admin, National Admin). Use when implementing permission checks, RLS policies, UI access controls, or audit logging for multi-tenant association management.

Validates Supabase database schema changes for the NABIP AMS, ensuring migrations align with member management, event tracking, chapter hierarchy, and financial models. Use when working with Supabase tables, RLS policies, or database migrations for members, chapters, events, courses, or transactions.