Agent-first Next.js starter on @buildbase/sdk - live MCP server, agent OAuth (DCR + PKCE), and full agent discovery from one createAgentStack() config
2 files for Codex, OpenCode and Claude Code: nextjs-agent-mcp-starter AGENTS.md, nextjs-agent-mcp-starter CLAUDE.md — 79 tokens loaded in every session.
AGENTS.md A 74 tok CLAUDE.md A 5 tok These files are buildbase-app/nextjs-agent-mcp-starter's own configuration — they tell 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.