Cross-domain software engineering standard principles for AI coding agents (Claude Code, Codex, Cursor, Gemini) grounded in the canon.
5 files for Cursor, GitHub Copilot, Codex, OpenCode, Claude Code and Gemini CLI: cursorrules, engineering-standards-plugin copilot-instructions.md, engineering-standards-plugin AGENTS.md, engineering-standards-plugin CLAUDE.md and 1 more — 3,971 tokens loaded in every session.
.github/copilot-instructions.md A 162 tok AGENTS.md A 3,503 tok CLAUDE.md A 106 tok GEMINI.md A 73 tok .cursorrules A 127 tok These files are S13G/engineering-standards-plugin's own configuration — they tell Cursor, GitHub Copilot, Codex, OpenCode, Claude Code and Gemini CLI 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.