A one-file door-guard for coding agents — first-class on Claude Code (permissionDecision deny); portable to any agent with a blocking pre-exec hook.
2 files for GitHub Copilot, Codex and OpenCode: bouncer copilot-instructions.md, bouncer AGENTS.md — 936 tokens loaded in every session.
.github/copilot-instructions.md A 475 tok AGENTS.md A 461 tok These files are karanb192/bouncer's own configuration — they tell GitHub Copilot, 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.