A personal OS for cloud and infrastructure engineers: Obsidian vaults + a local TypeScript hybrid RAG layer + AI agent conventions
2 files for Codex, OpenCode and Claude Code: engineering-os AGENTS.md, engineering-os CLAUDE.md — 988 tokens loaded in every session.
AGENTS.md A 887 tok CLAUDE.md A 101 tok These files are tanya-ok/engineering-os'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.