2 files for Codex, OpenCode and Claude Code: swe-bench-essential AGENTS.md, swe-bench-essential CLAUDE.md — 1,969 tokens loaded in every session.
AGENTS.md A 1,964 tok CLAUDE.md A 5 tok These files are Prism-Shadow/swe-bench-essential's own configuration — they tell Codex, OpenCode and Claude Code 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.