By yzavyas
Elite Kotlin development patterns. Use when: writing Kotlin for backend (Ktor, Spring Boot), Android, Multiplatform. Covers coroutines, structured concurrency, Flow, scope functions, null safety, Java interop, testing (Kotest, MockK), benchmarking (kotlinx-benchmark).
A marketplace of cognitive extensions for Claude Code.
📚 Documentation · 🔍 Catalog · 💡 Ethos
/plugin marketplace add yzavyas/claude-1337
/plugin install core-1337@claude-1337
Known issues: #14815, #14061, #15369
Workaround:
~/.claude/plugins/marketplaces/claude-1337/plugins/core-1337/scripts/install-workaround.sh
Development happens on the dev branch. This main branch is for marketplace distribution only.
git checkout dev
See CONTRIBUTING.md or the contributor guide.
MIT
Based on adoption, maintenance, documentation, and repository signals. Not a security audit or endorsement.
Write rigorous evals for LLM agents, skills, MCP servers, and prompts. Use when: building test suites, measuring effectiveness, choosing frameworks. Covers: DeepEval, Braintrust, RAGAS, precision/recall, F1.
AI image and video generation. Use when: Midjourney prompting, choosing image/video models, troubleshooting AI art, reference types, style transfer, text-in-image.
Rust production patterns. Use when: building Rust systems. Covers ownership decisions, async gotchas, crate selection, domain knowledge (networking, embedded, WASM, FFI, proc-macros).
JVM static and runtime analysis. Use when: finding dead code, optimizing Java/Kotlin apps, profiling, debugging memory leaks. Covers SootUp, Scavenger, async-profiler, JFR, ProGuard.
Architectural reasoning with The Guild. 13 specialized agents with orthogonal perspectives for multi-viewpoint architecture review.
npx claudepluginhub yzavyas/claude-1337 --plugin kotlin-1337Advanced Kotlin programming skills for coroutines and DSL patterns
Expert guidance for Kotlin Coroutines: structured concurrency, safe scopes, Dispatchers, cancellation, exception handling, and testing. Use when reviewing or writing Kotlin/Android async code. Includes a playbook and per-practice reference files.
Android and KMP development skills for Claude Code — architecture, Compose, coroutines, flows, networking (Retrofit, Ktor), persistent storage (Room, DataStore), pagination, dependency injection (Hilt, Koin), testing, debugging, Gradle, and Material Design 3
Bootstrap Android app development using Kotlin with Claude's guidance for mobile application architecture.
Complete Claude Code configs for mobile development - Android, iOS, and Kotlin Multiplatform
Fast Kotlin and Java code intelligence in Claude Code, powered by ktlsp