Lightweight, decorator-driven Express + TypeScript backend starter — clone, run, ship. AI-agent ready.
3 files for GitHub Copilot, Codex, OpenCode and Claude Code: chassis copilot-instructions.md, chassis AGENTS.md, chassis CLAUDE.md — 1,829 tokens loaded in every session.
.github/copilot-instructions.md A 258 tok AGENTS.md A 1,370 tok CLAUDE.md A 201 tok These files are dvd90/chassis's own configuration — they tell GitHub Copilot, 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.