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Found 1,342 Skills
Apply opinionated rules and security patterns to JavaScript and TypeScript code that uses the xrpl.js client library to interact with the XRP Ledger. Use when users want to write a new XRPL integration with xrpl.js, review or refactor existing xrpl.js code, sign or submit a transaction, construct or credit a payment, work with issued currencies, AMM, NFToken, escrow, or payment channels, query account or ledger state, or audit an XRPL integration for security issues like partial-payment inflation, missing LastLedgerSequence, missing DestinationTag, or unsafe key management.
TypeScript and JavaScript expert with deep knowledge of type-level programming, performance optimization, monorepo management, migration strategies, and modern tooling.
Comprehensive TypeScript/JavaScript coding standards focusing on type safety, defensive programming, and code correctness. Use when (1) Writing or reviewing TS/JS code, (2) Fixing type errors or avoiding any/enum/null, (3) Implementing control flow, state management, or error handling, (4) Applying zero-value pattern or immutability, (5) Code review for TypeScript anti-patterns. Covers naming conventions, function design, return values, bounded iteration, input validation. For performance optimization, use accelint-ts-performance skill. For documentation, use accelint-ts-documentation skill.
Browser automation toolkit using Selenium WebDriver 4+ with Java 21+ and JUnit 5. Use when asked to create, debug, or run Selenium tests, implement Page Object Model, handle explicit waits with WebDriverWait, capture screenshots, verify UI elements with AssertJ assertions, test forms, validate user flows, or set up Maven test projects. Supports Chrome, Firefox, and Edge browsers.
Write and review API documentation comments using TSDoc and JSDoc best practices. Use when the user asks for docs, doc comments, TSDoc, JSDoc, @param/@returns help, or documentation quality improvements in JavaScript or TypeScript code.
Prototype pollution testing for JavaScript stacks. Use when user input is merged into objects (query parsers, JSON bodies, deep assign), when configuring libraries via untrusted keys, or when hunting RCE gadgets via polluted Object.prototype in Node or the browser.
Work with any Upstash TypeScript/JavaScript SDK including Redis, Box, QStash, Workflow, Vector, Search and Ratelimit. Use when the user is working with any Upstash product or SDK.
Modern native JavaScript (ES2022-ES2025) utility patterns that replace lodash
PostHog feature flags for Web (JavaScript) applications
Update LanceDB to a specific Lance release or tag. Use when bumping Lance dependencies in the lancedb repository, including Rust workspace Lance crates, Java lance-core, validation, branch creation, commit, push, and PR creation when requested.
Utilities to generate JavaScript and TypeScript code programmatically. Use when building code generators, AST-to-code output, or dynamic source generation.
Hotwire, Turbo, and Stimulus patterns for Rails. Use when implementing JavaScript interactions, Turbo Frames/Streams, or Stimulus controllers. Triggers on "stimulus controller", "turbo frame", "turbo stream", "hotwire", "rails javascript".