codex

LangChain4J testing requires specialized strategies due to the non-deterministic nature of LLM responses and the complexity of AI workflows. This skill provides comprehensive patterns for unit testing with mocks, integration testing with Testcontainers, and end-to-end testing for RAG systems, AI Services, and tool...

Orchestration through Claude Code's built-in Agent Tool

This skill provides patterns for unit testing @ExceptionHandler methods and @ControllerAdvice classes using MockMvc. It covers testing exception-to-error-response transformations, HTTP status codes, error message formatting, validation error handling, and custom permission evaluators without full integration test...

Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. This skill covers patterns for working with DynamoDB using AWS SDK for Java 2.x, including the Enhanced Client for type-safe operations, batch operations, transactions, and Spring Boot...

B站视频内容分析工具。提供视频URL后，自动下载视频、拆解成帧图片，然后使用AI分析内容，最终生成 高质量的专题文档或实操教程 。

This skill provides guidance for building declarative AI Services with LangChain4j using interface-based patterns, annotations for system and user messages, memory management, tools integration, and advanced AI application patterns that abstract away low-level LLM interactions.

Configure AWS RDS databases (Aurora, MySQL, PostgreSQL) with Spring Boot applications for production-ready connectivity. This skill provides patterns for datasource configuration, connection pooling with HikariCP, SSL connections, environment-specific configurations, and integration with AWS Secrets Manager for secure...

Source details, install context, and public review data are available on the full page.

Diagnose overall SaaS business health by analyzing growth, retention, unit economics, and capital efficiency metrics together. Use this to identify problems early, prioritize actions by urgency, and deliver a comprehensive health scorecard for board meetings, quarterly reviews, or fundraising preparation.

Source details, install context, and public review data are available on the full page.

Create a Geoffrey Moore-style positioning statement that clearly articulates who your product serves, what need it addresses, how it's categorized, what benefit it delivers, and how it differs from alternatives. Use this when you need to align stakeholders on product strategy, guide messaging, or test if your value...

Source details, install context, and public review data are available on the full page.

Comprehensive guide for creating and managing skills in Claude Code with auto-activation system, following Anthropic's official best practices including the 500-line rule and progressive disclosure pattern.

This skill provides patterns for unit testing Spring caching annotations (@Cacheable, @CacheEvict, @CachePut) without full Spring context. It covers testing cache behavior, hits/misses, invalidation strategies, cache key generation, and conditional caching using in-memory cache managers.

Implement comprehensive API security measures including authentication, authorization, rate limiting, input validation, and attack prevention to protect against common vulnerabilities.

Configure AWS service clients, authentication, timeouts, HTTP clients, and implement best practices for AWS SDK for Java 2.x applications. This skill provides essential patterns for building robust, performant, and secure integrations with AWS services.

Frame epics as testable hypotheses using an if/then structure that articulates the action or solution, the target beneficiary, the expected outcome, and how you'll validate success. Use this to manage uncertainty in product development by making assumptions explicit, defining lightweight experiments ("tiny acts of...

Transform text content into structured Obsidian Canvas files with support for MindMap and freeform layouts.

This skill provides comprehensive guidance for working with Amazon RDS (Relational Database Service) using the AWS SDK for Java 2.x, covering database instance management, snapshots, parameter groups, and RDS operations.

Guide product managers through diagnosing whether they're doing context stuffing (jamming volume without intent) or context engineering (shaping structure for attention). Use this to identify context boundaries, fix "Context Hoarding Disorder," and implement tactical practices like bounded domains, episodic retrieval,...

Evaluate the financial impact of pricing changes (price increases, new tiers, add-ons, discounts) using ARPU/ARPA analysis, conversion impact, churn risk, NRR effects, and CAC payback implications. Use this to make data-driven go/no-go decisions on proposed pricing changes with supporting math and risk assessment.

Deploy web projects to Netlify using the Netlify CLI with intelligent detection of project configuration and deployment context.

Source details, install context, and public review data are available on the full page.

Fundamental software design principles, SOLID, design patterns, and clean code practices. Language-agnostic guidelines for writing maintainable, scalable software.