- Tejas Kumar, “Harnesses in AI: A Deep Dive” — AI Engineer World’s Fair,
May 2026. YouTube
- Mitchell Hashimoto, “My AI Adoption Journey” — February 2026. Coined
“harness engineering” in its current agentic meaning.
mitchellh.com
- OpenAI, “Harness engineering: leveraging Codex in an agent-first world” —
February 2026. openai.com
- Anthropic, “Effective context engineering for AI agents” — Context
engineering as a core harness component.
anthropic.com
- EleutherAI, “lm-evaluation-harness” — The older eval harness meaning (2021).
github.com
- Source code: This repo — Rust implementation of an eval runner and agent harness
- Presentation slides: Refer to Tejas Kumar’s original talk materials
- Tool use / function calling — OpenAI’s API feature that allows models to
request tool execution
- headless_chrome — Rust crate for browser automation via Chrome DevTools
Protocol, used as the tool backend
- Ollama — local LLM runtime with OpenAI-compatible API endpoint
- Agent loop — the “think-act-observe” cycle at the heart of agentic systems