全部能力

Evaluate test suite quality by introducing code mutations and verifying tests catch them. Use for mutation testing, test quality, mutant detection, Stryker, PITest, and test effectiveness analysis.

Expert guidelines for blockchain development including CosmWasm, Cosmos, and cross-chain patterns

Bootstraps projects to production-ready structure. Use when creating new or transforming existing projects.

Generates Dockerfile and docker-compose configuration for multi-container development. Use when containerizing a project.

Kotlin development guidelines with best practices for clean code, naming conventions, function design, and data handling

Expert guidance for Spring Framework and Spring Boot development with Java best practices, dependency injection, and RESTful API design

Playwright testing best practices for Next.js applications (formerly test-playwright). This skill should be used when writing, reviewing, or debugging E2E…

Anthropic's method for training harmless AI through self-improvement. Two-phase approach - supervised learning with self-critique/revision, then RLAIF (RL from…

Create a new track with specification and phased implementation plan

Builds all detected projects and verifies successful compilation. Use when checking that a bootstrapped project compiles.

Deploy code to Railway using "railway up". Use when user wants to push code, says "railway up", "deploy", "ship", or "push". For initial setup or creating…

Handle cross-platform compatibility including file paths, environment detection, platform-specific dependencies, and testing across Windows, macOS, and Linux. Use when dealing with platform-specific code or OS compatibility.

Static Application Security Testing (SAST) for code vulnerability

Guidelines for building modern APIs with Koa.js and TypeScript, featuring the onion middleware model and async/await patterns

Master Git workflows including GitFlow, GitHub Flow, Trunk-Based Development. Configure branches, merge strategies, and collaboration patterns for team environments.

Extract edge hints from daily market observations and news reactions, with optional LLM ideation, and output canonical hints.yaml for downstream concept…

Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical…

Tailwind CSS v4 performance optimization and best practices guidelines (formerly tailwindcss-v4-style). This skill should be used when writing, reviewing, or…

Build CLI scripts alongside MCP servers for terminal environments. File I/O, batch processing, caching, richer output formats. Templates for TypeScript scripts and SCRIPTS.md. Use when: MCP companion scripts, batch processing, saving results to files, CLI API wrappers. Troubleshoot: context too large, no file access, batch input.

Educational GPT implementation in ~300 lines. Reproduces GPT-2 (124M) on OpenWebText. Clean, hackable code for learning transformers. By Andrej Karpathy.…