kotlin-patterns
[ Featured ]Idiomatic Kotlin patterns, best practices, and conventions for building robust, efficient, and maintainable Kotlin applications with coroutines, null safety, and DSL builders.
Browse and install thousands of AI Agent skills in the Killer-Skills directory. Supports Claude Code, Windsurf, Cursor, and more.
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Idiomatic Kotlin patterns, best practices, and conventions for building robust, efficient, and maintainable Kotlin applications with coroutines, null safety, and DSL builders.
Use this skill to validate the why before building, run product diagnostics, and convert vague ideas into specs.
Discover and evaluate Laravel packages via LaraPlugins.io MCP. Use when the user wants to find plugins, check package health, or assess Laravel/PHP compatibility.
subagent-driven-development is a technique that leverages fresh subagents for independent tasks, ensuring spec compliance and code quality through a two-stage review process.
bun-runtime is a fast all-in-one JavaScript runtime and toolkit that includes a runtime, package manager, bundler, and test runner, designed to simplify and accelerate development workflows.
crosspost is a skill that distributes content across multiple social platforms, adapting it for each platform's native conventions and limitations.
deep-research is a skill that utilizes firecrawl and exa MCPs to synthesize findings from multiple sources, delivering comprehensive reports with source attribution.
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes
Spring Security best practices for authn/authz, validation, CSRF, secrets, headers, rate limiting, and dependency security in Java Spring Boot services.
Test-driven development for Spring Boot using JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo. Use when adding features, fixing bugs, or refactoring.
Swift 6.2 Approachable Concurrency — single-threaded by default, @concurrent for explicit background offloading, isolated conformances for main actor types.
Protocol-based dependency injection for testable Swift code — mock file system, network, and external APIs using focused protocols and Swift Testing.