frontend▌

Apply Anthropic's official brand colors and typography to visual artifacts and designs. \n \n Includes a defined color palette with primary dark/light neutrals, mid and light grays, plus three accent colors (orange, blue, green) \n Applies Poppins font to headings (24pt+) and Lora font to body text, with automatic fallbacks to Arial and Georgia \n Smart color selection based on background context to preserve readability and visual hierarchy \n Works with system-installed fonts; no additional ins

GPUI provides a comprehensive testing framework that allows you to test UI components, async operations, and distributed systems. Tests run on a single-threaded executor that provides deterministic execution and the ability to test complex async scenarios. GPUI tests use the #[gpui::test] attribute and work with TestAppContext for basic testing and VisualTestContext for window-dependent tests.

You can start and use Codex TUI to verify changes. \n Important notes: \n Start interactively.\nAlways set RUST_LOG=\"trace\" when starting the process.\nPass -c log_dir=<some_temp_dir> argument to have logs written to a specific directory to help with debugging.\nWhen sending a test message programmatically, send text first, then send Enter in a separate write (do not send text + Enter in one burst).\nUse just codex target to run - just codex -c ...

I help you design effective data visualizations by recommending the right chart types, generating configurations for popular charting libraries, and applying data visualization best practices.

Create and edit professional PDF reports and funding proposals with live preview and iterative design.

$23

Guide for implementing smooth, native-feeling animations using React's View Transition API (`<ViewTransition>` 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, animate list reorder, implement directional (forward/back) navigation animations, or integrate view transitions in Next.js. Also use when the user mentions view

React PDF renderer that generates PDF documents from JSON specs using @react-pdf/renderer.

Comprehensive patterns for designing effective KPI dashboards that drive business decisions. \n \n Covers three dashboard hierarchy levels (strategic, tactical, operational) with department-specific KPI templates for sales, marketing, product, and finance \n Includes three layout patterns: executive summary, SaaS metrics, and real-time operations dashboards with visual examples \n Provides SQL queries for common calculations (MRR, cohort retention, CAC) and Python/Streamlit implementation code f

Secure Windows desktop automation with strict process validation, permission tiers, and audit logging. \n \n Provides UI Automation Framework (UIA) and Win32 API integration for discovering and interacting with Windows application elements, including window management, input simulation, and process interaction \n Enforces security-first approach with process validation, blocked application lists (password managers, admin tools, security software), and permission tier model (read-only, standard,