SIGNAL — Agent Skills: terse structured output (tiers, templates, checkpoints), git workflow skills (commit, push, PR, review, ckpt), Karpathy-inspired coding norms. Claude Code, Cursor, Gemini CLI, Codex & other Agent Skills hosts.
4 files for GitHub Copilot, Codex, OpenCode, Claude Code and Gemini CLI: signal copilot-instructions.md, signal AGENTS.md, signal CLAUDE.md, signal GEMINI.md — 1,104 tokens loaded in every session.
.github/copilot-instructions.md A 392 tok AGENTS.md A 132 tok CLAUDE.md A 167 tok GEMINI.md A 413 tok These files are mattbaconz/signal's own configuration — they tell 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.