Context Engineering Lab
Context Engineering Lab exists to give junior developers a hands-on way to compare RAG, prompt engineering, LLM parameters, agent tool-calling, and GraphRAG side by side.
Overview
An interactive playground where junior developers practice and compare RAG, prompt engineering, LLM parameters, agent tool-calling, and GraphRAG hands-on. Spring AI backend, Next.js front, Neo4j + Qdrant.
Technology stack
Role
Neil Kwon is the creator and sole developer of Context Engineering Lab, covering its architecture, implementation and ongoing direction.
Status and provenance
Personal engineering project by Neil Kwon, developed under Excogitar. Independent of his employment work.
Source repository is currently private.
About the author
Neil Kwon is a South Korean full-stack software engineer, software architect and two-time CTO based in Seoul, with 16+ years across enterprise AI, large-scale data platforms, real-time AdTech and blockchain infrastructure.
Full profile of Neil Kwon