Still not sure I get it. Which of the below are harnesses? These all sound like they meet the definiton. - Codex / VSCode Github Copilot Plugin - ChatGPT Web

Still not sure I get it. Which of the below are harnesses? These all sound like they meet the definiton. - Codex / VSCode Github Copilot Plugin - ChatGPT Web application - Code I wrote to send/process REST API requests to an Antropic / OpenAI API endpoint