The prompt with the best effect was identified through experimental testing.
1 file for Codex and OpenCode: AGENTS.md AGENTS.md — 15 tokens loaded in every session.
AGENTS.md A 15 tok These files are LIghtJUNction/AGENTS.md's own configuration — they tell Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.