Skill Claude CodeCodex
Implement PCI DSS compliance requirements for secure handling of payment card data and payment systems. Use when securing payment processing, achieving PCI compliance, or implementing payment card security measures.
Skill Claude CodeCodex
Tier: POWERFUL Category: Engineering Domain: Performance Engineering.
Skill Claude CodeCodex
Tier: POWERFUL Category: Engineering Domain: DevOps / Site Reliability Engineering.
Skill Claude CodeCodex
Use when the user asks to set up secret management infrastructure, integrate HashiCorp Vault, configure cloud secret stores (AWS Secrets Manager, Azure Key Vault, GCP Secret Manager), implement secret rotation, or audit secret access patterns.
Skill Claude CodeCodex
Use when hunting for threats in an environment, analyzing IOCs, or detecting behavioral anomalies in telemetry. Covers hypothesis-driven threat hunting, IOC sweep generation, z-score anomaly detection, and MITRE ATT&CK-mapped signal prioritization.
Skill Claude CodeCodex
Convert files and office documents to Markdown. Supports PDF, DOCX, PPTX, XLSX, images (with OCR), audio (with transcription), HTML, CSV, JSON, XML, ZIP, YouTube URLs, EPubs and more.
Skill Claude CodeCodex
Use when the task is to curate or repair agent context: AGENTS.md/rules, handoff prompts, compact/clear recovery, large workstream switching, or diagnosing off-pattern/hallucinated behavior. Prefer bx-init/bx-init-sync for bx template creation/deep codebase doc sync. Skip for small code edits.
Skill Claude CodeCodex
Use for high-stakes or uncertain non-trivial decisions where a confident mistake is costly: architecture, production/security/data changes, irreversible operations, cross-module invariants, or unfamiliar code. Run bounded adversarial review. Do not use for routine edits or active bx-plan review loops.
Skill Claude CodeCodex
Use when there is an observed failure: bug, failing test/build, regression, production issue, flaky behavior, performance problem, or unexpected output. Requires reproduction, evidence, and root cause before fixes. Do not use for planned feature work or routine verification.
Skill Claude CodeCodex
Use before changing testable production behavior in direct implementation work: features, bugfixes, refactors, or regression guards. Enforces red-green-refactor. Do not use for docs/config/generated/prototype work, or for bx-run/bx-dev Lead orchestration where worker contracts already define testing.
Skill Claude CodeCodex
Use as the final gate before saying work is complete/fixed/passing, before commit/PR, or before a handoff. Requires fresh evidence from tests/build/lint/smoke or an explicit unverified-risk note. Do not use at task start or as a substitute for debugging.
Skill Claude CodeCodex
Use when requirements/spec/design are already clear and the user wants a detailed implementation plan, not code yet. Produces file-by-file, testable, bite-sized tasks. Prefer bx-plan for full critic-reviewed planning; prefer brainstorming for unclear ideas; skip for quick edits.
Skill Claude CodeCodex
WCAG 2.1 AA compliance patterns, screen reader compatibility, keyboard navigation, and ARIA best practices. Use when implementing accessible interfaces, reviewing UI components, or auditing accessibility compliance. Covers semantic HTML, focus management, color contrast, and assistive technology testing.
Skill Claude CodeCodex
Self-contained router for bundled frontend skills. Use when working with frontend web or mobile UI tasks and choose the appropriate skill under skill-library/frontend without relying on external skill roots.
Skill Claude CodeCodex
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI).…
Skill Claude CodeCodex
Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, axios, React Query, SWR, error handling, caching strategies, offline support.
Skill Claude CodeCodex
Guide for implementing smooth, native-feeling animations using React's View Transition API ( component, addTransitionType, and CSS view transition pseudo-elements). Use this skill whenever the user wants to add page transitions, animate route changes, create shared element animations, animate enter/exit of components…
Skill Claude CodeCodex
Best practices for Remotion - Video creation in React.
Skill Claude CodeCodex
Build scalable design systems with Tailwind CSS v4, design tokens, component libraries, and responsive patterns. Use when creating component libraries, implementing design systems, or standardizing UI patterns.
Skill Claude CodeCodex
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
Skill Claude CodeCodex
UI/UX design intelligence. 67 styles, 96 palettes, 57 font pairings, 25 charts, 13 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing…
Skill Claude CodeCodex
React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.
Skill Claude CodeCodex
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance…
Skill Claude CodeCodex
React Native and Expo best practices for building performant mobile apps. Use when building React Native components, optimizing list performance, implementing animations, or working with native modules. Triggers on tasks involving React Native, Expo, mobile performance, or native platform APIs.