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Found 5,467 Skills
Designs intuitive Python library APIs following principles of simplicity, consistency, and discoverability. Handles API evolution, deprecation, breaking changes, and error handling. Use when designing new library APIs, reviewing existing APIs for improvements, or managing API versioning and deprecations.
The Composable Architecture (TCA) - A library for building Swift applications with state management, composition, and testability
Expert guidance on The Composable Architecture (TCA) for Swift, focusing on ReducerProtocol, macros, and testability.
Senior Java & Spring Boot 4 / Spring Framework 7 architect skill for 2026-standard development. Use when the user asks to build, scaffold, design, review, or explain Java applications using Spring Boot 4.x, Spring Framework 7.x, Spring Modulith, or any related Spring ecosystem project. Triggers include: creating REST APIs, designing microservices, configuring data access (JdbcClient, JPA 3.2, R2DBC), reactive programming (WebFlux), security (Spring Security 7), observability, GraalVM native images, Gradle/Maven build configuration, Jakarta EE 11 migration, and any task requiring idiomatic modern Java (Java 25: records, sealed classes, structured concurrency, scoped values, pattern matching, JSpecify null safety).
Audit IT, AI, and SaaS subscription fees by searching Gmail and Slack for receipts, invoices, and billing notifications. Use when asked to find subscriptions, audit recurring charges, identify software costs, review SaaS spending, or compile a subscription fee report.
Super Ralph Wiggum - autonomous iteration loops with templates, PRD support, progress tracking, and browser testing. This skill should be used when running Claude Code in autonomous loops for test coverage improvement, PRD-based feature development, documentation generation, dataset creation, lint fixing, code cleanup, or framework migrations. Combines the plugin's in-session loop mechanism with specialized templates and best practices from Geoffrey Huntley, Ryan Carson, and AI Hero.
Navigate and modify surf-cli codebase - Chrome extension + native host for AI browser automation. Use for surf-cli code work, architecture questions, implementing browser control/CDP/accessibility/network features.
MANDATORY before starting any task. Enforces the GPA execution loop that prevents tool call sprawl. G: GATHER phase combines discover queries + memory reads + file reads into one phase. P: Plan in text with zero tool calls. A: APPLY all writes/edits/verification in one phase. One call per tool type per phase — batch all same-type operations together. Covers dependency analysis, batch opportunities, scope estimation, and loop-back triggers.
Core code quality principles for writing maintainable code. Use when reviewing code for design violations, assessing code quality, or applying architectural patterns like composition, immutability, and fail-fast.
Use when you need to communicate the reliability, freshness, or authority of information from Glean. Triggers when presenting search results, when data might be stale, when sources have different authority levels, when the user should verify information, or when you're uncertain about completeness of results.
Use when combining information from multiple Glean sources or when needing to synthesize results across documents, meetings, code, and people searches. Triggers on complex queries that span multiple data types, when results seem contradictory, when building comprehensive answers from partial information, or when the user asks for a complete picture of something that requires multiple queries.
Manage CloudSync Master WordPress plugin via WP-CLI. This skill should be used when configuring, testing, monitoring, or operating CloudSync Master (media offloading to cloud storage). Covers account setup for S3/R2/GCS/DigitalOcean/Backblaze/Wasabi/Vultr/Linode, plugin settings, queue management, object management, license activation, migration from competitors, and wp-config.php configuration export. Use when the user mentions CloudSync Master, cloud media offloading, wp cloudsync commands, or needs to set up WordPress media on cloud storage.