Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add rules/dalehurley/codewithphp/chapter-checkbox-integrationgit clone --depth 1 https://github.com/dalehurley/codewithphpWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00000 | $0.03120 |
| Opus 5 | $0.00000 | $0.01560 |
| Sonnet 5 | $0.00000 | $0.00624 |
| Haiku 4.5 | $0.00000 | $0.00312 |
Grade A, and why
chapter-checkbox-integration scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 550 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Chapter Checkbox Integration Guide
This rule provides guidelines for integrating the ChapterCheckbox Vue component into tutorial chapters to enable reader progress tracking.
Overview
The ChapterCheckbox component allows readers to:
- Mark chapters as complete with a single click
- Auto-complete chapters by scrolling to the bottom
- Track progress locally (saved in browser localStorage)
- See visual feedback with animations and confirmations
Component Features
ChapterCheckbox.vue (docs/.vitepress/theme/components/ChapterCheckbox.vue)
Purpose: Provides an interactive progress tracking component for each chapter
Key Features:
- ✅ Manual completion: Click checkbox to mark chapter complete
- ✅ Auto-completion: Chapter auto-marks when scrolled to bottom
- ✅ Local storage: Progress persists across sessions
- ✅ Visual feedback: Animations, icons, and confirmation messages
- ✅ Responsive design: Works on desktop, tablet, and mobile
- ✅ Dark mode support: Styled for both light and dark themes
- ✅ Accessibility: Proper ARIA labels and semantic HTML
Props
interface ChapterCheckboxProps {
seriesId: string // Series identifier (e.g., "php-basics")
chapterId: string // Chapter identifier (e.g., "01")
label?: string // Custom label (default: "Mark this chapter as complete")
}
Component Behavior
Manual Completion
- User clicks checkbox
- State updates and saves to localStorage
- Confirmation message displays for 2 seconds
- Icon changes from book to trophy
Auto-Completion
- User scrolls component into view (95% visible)
- System waits 1.5 seconds to confirm intentional viewing
- If still in view, auto-marks as complete
- Celebration animation plays
- Confirmation shows "🎉 Chapter auto-completed!"
- Progress saved to localStorage
Visual States
Uncompleted:
- Book icon in teal circle
- Pulse border animation
- Hover effect on interaction
- Hint: "Check the box when you've finished reading..."
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- yesterday First seen · 550 lines · 0 tokens per session scan A d5065ee13100
chapter-checkbox-integration is a cursor rule published in the GitHub repository dalehurley/codewithphp (5 stars, last pushed 6mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 3,120 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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