The structure a project grows on: a free starter template for AI-assisted development. One AGENTS.md every tool reads (Claude Code, Cursor, Grok Build, Codex, Gemini CLI, Copilot), TDD + bug-fix methodology, secret guardrails, optional local knowledge base. Built for founders new to vibe-coding.
Latest release v1.7.0 · 8 Oct 2026
9 files for Claude Code, GitHub Copilot, Codex, OpenCode and Gemini CLI: SessionStart, PreToolUse, PostToolUse, UserPromptSubmit and 5 more — 7,670 tokens loaded in every session.
.github/copilot-instructions.md A 84 tok AGENTS.md A 7,408 tok CLAUDE.md A 134 tok GEMINI.md A 44 tok .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — These files are craigcossairt/trellis's own configuration — they tell Claude Code, GitHub Copilot, Codex, OpenCode 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.