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Found 5,405 Skills
Use when Java XML-RPC API work requires contract decisions for fault signaling and interoperability, including defining XmlRpcException-based failures, replacing void returns with explicit operation results, reviewing handlers for return-code anti-patterns, and migrating DTOs from Serializable to JAXB.
Audit designs and code for WCAG 2.1 AA compliance. Trigger with "is this accessible", "accessibility check", "WCAG audit", "can screen readers use this", "color contrast", or when the user asks about making designs or code accessible to all users.
Best practices and guidelines for RabbitMQ message queue development with AMQP protocol
Build WCAG 2.2 AA compliant interfaces with semantic HTML, ARIA, keyboard navigation, focus management, color contrast, and screen reader support. Covers forms, dialogs, tabs, live regions, skip links, alt text, and data tables. Use when implementing accessible UIs, auditing WCAG compliance, fixing screen reader issues, keyboard navigation, focus traps, or troubleshooting "focus outline missing", "aria-label required", "insufficient contrast", "missing alt text", "heading hierarchy".
Provides specific version compatibility notes for NativeWind and Tailwind CSS to prevent common installation errors.
Explore Dart's bitwise operations for both integers and booleans, including AND, OR (inclusive & exclusive), NAND, NOR, and XNOR, with practical code examples.
Autonomous mobile dev subagent that implements a single user story from a PRD for Expo / React Native apps. Use when you need parallel, independent mobile implementation tasks — screens, native components, data fetching, navigation. Designed to run alongside other ralph-mobile instances. Receives a specific task ID and PRD path. Returns a structured completion signal. Does NOT commit or modify the PRD — those are handled by the documenter. Loads expo, building-native-ui, vercel-react-native-skills, native-data-fetching, and expo-dev-client skills automatically.
OWASP Mobile Top 10 security testing for Android and iOS — local storage, certificate pinning bypass, IPC abuse, and binary protections.
Production observability with structured logging, metrics collection, distributed tracing, and alerting
Find arbitrage opportunities across exchanges by comparing prices for fungible token pairs like BTC/WBTC and USDT/USDC.
Operate Feishu Bitable, supporting management of data tables, records, fields and media. Usage scenarios: When the user mentions "Feishu Bitable", "Feishu Spreadsheet", "bitable", or needs to read/write table records, operate data table structures, manage fields, or upload media.
Use when design, prototyping or referencing Figma files. Provides capabilities for inspecting design elements, extracting assets, generating code from designs, and managing Code Connect mappings via the figma-desktop MCP server.