developer-kit

In the author's own words, from each skill's SKILL.md — showing the first 30 of 119 files.

• chunking-strategy

  Provides chunking strategies for RAG systems. Generates chunk size recommendations (256-1024 tokens), overlap percentages (10-20%), and semantic boundary detection methods. Validates semantic coherence and evaluates retrieval precision/recall metrics. Use when building retrieval-augmented generation systems, vector databases, or processing large documents.

  plugins/developer-kit-ai/skills/chunking-strategy/SKILL.md on GitHub (opens in a new tab)

• prompt-engineering

  Provides workflows to write, debug, and optimize prompts for LLMs, including few-shot example selection, chain-of-thought structuring, system prompt design, and template composition. Use when the user asks to write or improve a prompt, wants help with few-shot examples, chain-of-thought, system prompts, prompt templates, or asks how to get better results from an LLM.

  plugins/developer-kit-ai/skills/prompt-engineering/SKILL.md on GitHub (opens in a new tab)

• rag

  Implements document chunking, embedding generation, vector storage, and retrieval pipelines for Retrieval-Augmented Generation systems. Use when building RAG applications, creating document Q&A systems, or integrating AI with knowledge bases.

  plugins/developer-kit-ai/skills/rag/SKILL.md on GitHub (opens in a new tab)

• adr-drafting

  Creates new Architecture Decision Record (ADR) documents for significant architectural changes using a consistent template and repository-aware naming and storage guidance. Use when a user or agent decides on an architectural change, needs to document technical rationale, or wants to add a new ADR to the project history.

  plugins/developer-kit-core/skills/adr-drafting/SKILL.md on GitHub (opens in a new tab)

• bug-fix-brief

  Generates a structured Bug Fix Brief (BFB) to document issue corrections. Includes root cause analysis, repro steps, fix options, and fix checklist. Use when user asks to create a BFB, document a bug fix, or generate a bug correction document.

  plugins/developer-kit-core/skills/bug-fix-brief/SKILL.md on GitHub (opens in a new tab)

• docs-updater

  Provides automated documentation updates by analyzing git changes between the current branch and the last release tag. Performs git diff analysis to identify modifications, then updates README.md, CHANGELOG.md following Keep a Changelog standard, and discovers documentation folders for contextual updates. Use when preparing a release, maintaining documentation sync, or before creating a pull requ…

  plugins/developer-kit-core/skills/docs-updater/SKILL.md on GitHub (opens in a new tab)

• drawio-logical-diagrams

  Creates professional logical flow diagrams and logical system architecture diagrams using draw.io XML format (.drawio files). Use when creating: (1) logical flow diagrams showing data/process flow between system components, (2) logical architecture diagrams representing system structure without cloud provider specifics, (3) BPMN process diagrams, (4) UML diagrams (class, sequence, activity), (5)…

  plugins/developer-kit-core/skills/drawio-logical-diagrams/SKILL.md on GitHub (opens in a new tab)

• github-issue-workflow

  Provides a structured 8-phase workflow for resolving GitHub issues in Claude Code. Covers fetching issue details, analyzing requirements, implementing solutions, verifying correctness, performing code review, committing changes, and creating pull requests. Use when user asks to resolve, implement, work on, fix, or close a GitHub issue, or references an issue URL or number for implementation.

  plugins/developer-kit-core/skills/github-issue-workflow/SKILL.md on GitHub (opens in a new tab)

• learn

  Provides autonomous project pattern learning by analyzing the codebase to discover development conventions, architectural patterns, and coding standards, then generates project rule files in .claude/rules/. Use when user asks to "learn from project", "extract project rules", "analyze codebase conventions", "discover project patterns", or wants to auto-generate Claude Code rules for the current pr…

  plugins/developer-kit-core/skills/learn/SKILL.md on GitHub (opens in a new tab)

• memory-md-management

  Provides comprehensive memory file management capabilities including auditing, quality assessment, and targeted improvements for files such as CLAUDE.md. Use when user asks to check, audit, update, improve, fix, maintain, or validate project memory files. Also triggers for "project memory optimization", "CLAUDE.md quality check", "documentation review", or when a project memory file needs to be c…

  plugins/developer-kit-core/skills/memory-md-management/SKILL.md on GitHub (opens in a new tab)

• pr-review-comments

  Posts review findings from a JSON file as inline comments on a GitHub Pull Request, attaching each comment to its file and line. Use when you have a list/JSON of review findings (each with a file path, line number, and a message such as summary/failure_scenario) and want them published on a PR as inline review comments. Triggers include "post these review comments on the PR", "associate comments…

  plugins/developer-kit-core/skills/pr-review-comments/SKILL.md on GitHub (opens in a new tab)

• aws-lambda-java-integration

  Provides AWS Lambda integration patterns for Java with cold start optimization. Use when deploying Java functions to AWS Lambda, choosing between Micronaut and Raw Java approaches, optimizing cold starts below 1 second, configuring API Gateway or ALB integration, or implementing serverless Java applications. Triggers include "create lambda java", "deploy java lambda", "micronaut lambda aws", "jav…

  plugins/developer-kit-java/skills/aws-lambda-java-integration/SKILL.md on GitHub (opens in a new tab)

• aws-rds-spring-boot-integration

  Provides patterns to configure AWS RDS (Aurora, MySQL, PostgreSQL) with Spring Boot applications. Configures HikariCP connection pools, implements read/write splitting, sets up IAM database authentication, enables SSL connections, and integrates with AWS Secrets Manager. Use when setting up RDS connections in Spring Boot, configuring connection pooling, or managing database credentials securely.

  plugins/developer-kit-java/skills/aws-rds-spring-boot-integration/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-bedrock

  Provides Amazon Bedrock patterns using AWS SDK for Java 2.x. Invokes foundation models (Claude, Llama, Titan), generates text and images, creates embeddings for RAG, streams real-time responses, and configures Spring Boot integration. Use when asking about Bedrock integration, Java SDK for AI models, AWS generative AI, Claude/Llama invocation, embeddings for RAG, or Spring Boot AI setup.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-bedrock/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-core

  Provides AWS SDK for Java 2.x client configuration, credential resolution, HTTP client tuning, timeout, retry, and testing patterns. Use when creating or hardening AWS service clients, wiring Spring Boot beans, debugging auth or region issues, or choosing sync vs async SDK usage.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-core/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-dynamodb

  Provides Amazon DynamoDB patterns using AWS SDK for Java 2.x. Use when creating, querying, scanning, or performing CRUD operations on DynamoDB tables, working with indexes, batch operations, transactions, or integrating with Spring Boot applications.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-dynamodb/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-kms

  Provides AWS Key Management Service (KMS) patterns using AWS SDK for Java 2.x. Use when creating/managing encryption keys, encrypting/decrypting data, generating data keys, digital signing, key rotation, or integrating encryption into Spring Boot applications.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-kms/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-lambda

  Provides AWS Lambda patterns using AWS SDK for Java 2.x. Use when invoking Lambda functions, creating/updating functions, managing function configurations, working with Lambda layers, or integrating Lambda with Spring Boot applications.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-lambda/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-messaging

  Provides AWS messaging patterns using AWS SDK for Java 2.x for SQS queues and SNS topics. Handles sending/receiving messages, FIFO queues, DLQ, subscriptions, and pub/sub patterns. Use when implementing messaging with SQS or SNS.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-messaging/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-rds

  Provides AWS RDS (Relational Database Service) management patterns using AWS SDK for Java 2.x. Use when creating, modifying, monitoring, or managing Amazon RDS database instances, snapshots, parameter groups, and configurations.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-rds/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-s3

  Provides Amazon S3 patterns and examples using AWS SDK for Java 2.x. Use when working with S3 buckets, uploading/downloading objects, multipart uploads, presigned URLs, S3 Transfer Manager, object operations, or S3-specific configurations.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-s3/SKILL.md on GitHub (opens in a new tab)

• aws-sdk-java-v2-secrets-manager

  Provides AWS Secrets Manager patterns for AWS SDK for Java 2.x, including secret retrieval, caching, rotation-aware access, and Spring Boot integration. Use when storing or reading secrets in Java services, replacing hardcoded credentials, or wiring secret-backed configuration into applications.

  plugins/developer-kit-java/skills/aws-sdk-java-v2-secrets-manager/SKILL.md on GitHub (opens in a new tab)

• clean-architecture

  Provides implementation patterns for Clean Architecture, Hexagonal Architecture (Ports & Adapters), and Domain-Driven Design in Java 21+ Spring Boot 3.5+ applications. Use when structuring layered architectures, separating domain logic from frameworks, implementing ports and adapters, creating entities/value objects/aggregates, or refactoring monolithic codebases for testability and maintainabili…

  plugins/developer-kit-java/skills/clean-architecture/SKILL.md on GitHub (opens in a new tab)

• graalvm-native-image

  Provides expert guidance for building GraalVM Native Image executables from Java applications. Use when converting JVM applications to native binaries, optimizing cold start times, reducing memory footprint, configuring native build tools for Maven or Gradle, resolving reflection and resource issues in native builds, or implementing framework-specific native support for Spring Boot, Quarkus, and…

  plugins/developer-kit-java/skills/graalvm-native-image/SKILL.md on GitHub (opens in a new tab)

• langchain4j-ai-services-patterns

  Provides patterns to build declarative AI Services with LangChain4j for LLM integration, chatbot development, AI agent implementation, and conversational AI in Java. Generates type-safe AI services using interface-based patterns, annotations, memory management, and tools integration. Use when creating AI-powered Java applications with minimal boilerplate, implementing conversational AI with memor…

  plugins/developer-kit-java/skills/langchain4j-ai-services-patterns/SKILL.md on GitHub (opens in a new tab)

• langchain4j-mcp-server-patterns

  Provides LangChain4j patterns for implementing MCP (Model Context Protocol) servers, creating Java AI tools, exposing tool calling capabilities, and integrating MCP clients with AI services. Use when building a Java MCP server, implementing tool calling in Java, connecting LangChain4j to external MCP servers, or securing tool exposure for agent workflows.

  plugins/developer-kit-java/skills/langchain4j-mcp-server-patterns/SKILL.md on GitHub (opens in a new tab)

• langchain4j-rag-implementation-patterns

  Provides Retrieval-Augmented Generation (RAG) implementation patterns with LangChain4j for Java. Generates document ingestion pipelines, embedding stores, vector search, and semantic search capabilities. Use when building chat-with-documents systems, document Q&A over PDFs or text files, AI assistants with knowledge bases, semantic search over document repositories, or knowledge-enhanced AI appli…

  plugins/developer-kit-java/skills/langchain4j-rag-implementation-patterns/SKILL.md on GitHub (opens in a new tab)

• langchain4j-spring-boot-integration

  Provides integration patterns for LangChain4j with Spring Boot. Configures AI model beans, sets up chat memory with Spring context, integrates RAG pipelines with Spring Data, and handles auto-configuration, dependency injection, and Spring ecosystem integration. Use when embedding LangChain4j into Spring Boot applications, building Java LLM applications with @Bean configuration, or setting up Spr…

  plugins/developer-kit-java/skills/langchain4j-spring-boot-integration/SKILL.md on GitHub (opens in a new tab)

• langchain4j-testing-strategies

  Provides unit test, integration test, and mock AI patterns for LangChain4j applications. Creates mock LLM responses, tests retrieval chains, validates RAG workflows, and implements Testcontainers-based integration tests for Java AI services. Use when unit testing AI services, integration testing LangChain4j components, mocking AI models, or testing LLM-based Java applications.

  plugins/developer-kit-java/skills/langchain4j-testing-strategies/SKILL.md on GitHub (opens in a new tab)

• langchain4j-tool-function-calling-patterns

  Provides and generates LangChain4j tool and function calling patterns: annotates methods as tools with @Tool, configures tool executors, registers tools with AiServices, validates tool parameters, and handles tool execution errors. Use when building AI agents that call tools, define function specifications, manage tool responses, or integrate external APIs with LLM-driven applications.

  plugins/developer-kit-java/skills/langchain4j-tool-function-calling-patterns/SKILL.md on GitHub (opens in a new tab)

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