The Agent/harness has no meaningful distinction. The backing model(s) can only read through a harness. Call it an agent, call it a tool, call it a library. They

The Agent/harness has no meaningful distinction. The backing model(s) can only read through a harness. Call it an agent, call it a tool, call it a library. They are all harnesses if they are backed by a model. Broadly speaking, - Copilot only reads AGENTS.md - Codex reads AGENTS and CONTEXT - Claude reads CLAUDE This ai-literacy is noise, muddling the definitions and suggesting yet-another-md-file.