I built a validated alternative to CLAUDE.md/AGENTS.MD — meet GUIDE.md

If you've used Claude, Cursor, or Copilot on a real project, you've probably created a CLAUDE.md or agents.md file — a markdown file that tells the AI about your codebase. The problem is there's nothing stopping that file from being wrong. You declare language: typescript but the project is now Python. You list entry points that no longer exist. Your version numbers drift from what's actually in package.json . The AI reads your context file, trusts it, and works from bad information. That's why