AI SaaS boilerplate for Next.js 16 — Better Auth, Stripe subscriptions, credits system, AI image generation. AI-native: AGENTS.md, Claude Code skills & hooks.
6 files for Claude Code, GitHub Copilot, Codex and OpenCode: PostToolUse, Stop, ai-saas-starter, ai-saas-starter copilot-instructions.md and 2 more — 1,999 tokens loaded in every session.
.github/copilot-instructions.md A 116 tok AGENTS.md A 1,655 tok CLAUDE.md A 228 tok .claude/settings.json C — .claude/settings.json A — .claude/settings.json A — These files are nikandr-surkov/ai-saas-starter's own configuration — they tell Claude Code, GitHub Copilot, Codex and OpenCode 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.