harness-injector
harness-injector exists to separate what an agent knows from what it can do, injecting retrieved knowledge into a session while exposing execution tools over MCP, so the context window stays lean.
Overview
The engineering base for harness-based agent operation. It injects the right knowledge (RAG) into an AI session while exposing execution tools over MCP — separating what the agent knows from what it can do, and keeping the context window lean.
Technology stack
Role
Neil Kwon is the creator and sole developer of harness-injector, 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