Stephan Janssen
Community@stephanj · Belgium
Founder @Devoxx(Kids/Genie) and @BeJUG Co-Founder @Voxxed Founder JCS Int. acquired by Dolmen in 2002.
Agent Skills by Stephan Janssen
Showing 112 vetted skills indexed across 1 GitHub repositories.
skill-judge
Evaluate AI agent skill design quality against best practices and official patterns.
nextjs-developer
Architect Next.js 14+ applications with App Router and React Server Components.
database-optimizer
Analyze slow database queries and execution plans for PostgreSQL and MySQL.
fullstack-guardian
Implement secure end-to-end features across frontend, backend, and database layers.
plugin-forge
Scaffold Claude Code plugins with manifests and semantic versioning.
professional-communication
Structure emails, updates, and agendas with the What-Why-How framework.
frontend-to-backend-requirements
Standardize frontend data requirements and API needs into markdown documentation.
mermaid-diagrams
Generate software diagrams from Mermaid text-based syntax.
spark-engineer
Optimize Apache Spark applications for performance and pipeline architecture.
java-best-practices
Standardize Java development with type-first design and functional programming patterns.
fine-tuning-expert
Fine-tune Large Language Models with LoRA and QLoRA techniques.
wordpress-pro
Develop custom WordPress themes, plugins, and Gutenberg blocks with PHP and React.
code-documenter
Generate docstrings, OpenAPI specs, and developer guides from source code.
microservices-architect
Design cloud-native microservices architectures using domain-driven design and resilience patterns.
kotlin-specialist
Guide Kotlin 1.9+ development with coroutines, Flow, and Multiplatform.
gemini
Manage Gemini CLI model selection, approval modes, and background execution for code analysis.
spec-miner
Extract technical specifications and EARS-compliant requirements from legacy codebases.
fastapi-expert
Develop asynchronous REST APIs with FastAPI, Pydantic V2, and JWT authentication.
atlassian-mcp
Integrate Jira and Confluence into AI workflows via the Model Context Protocol.
golang-pro
Implement idiomatic Go concurrency patterns and type-safe generic structures.
shopify-expert
Guide Shopify theme development, headless commerce, and custom app creation.
cli-developer
Creates cross-platform CLI designs with subcommands and argument parsing for Node.js, Python, and Go projects.
meme-factory
Generate memes via the memegen.link API for code reviews and deployment notifications.
salesforce-developer
Develop Salesforce applications with Apex, Lightning Web Components, and SOQL.