# Classroom Prompt Builder

> Free, no-account web app that helps US K-12 teachers build classroom-ready AI prompts for ChatGPT, Claude, and Gemini across five modes: lesson plans, assessments, tasks, presentations, and teaching strategy. Optional paid PDF guides are available separately.

## Key facts

- [Operator](https://www.promptanatomy.app/): Prompt Anatomy
- [Site](https://promptanatomy.online/): Free Classroom Prompt Builder for US K-12 teachers
- [Parent brand](https://www.promptanatomy.app/): Prompt Anatomy interactive prompt training platform
- [Repository](https://github.com/DITreneris/teacher): Open-source product source code on GitHub
- [Contact](mailto:info@promptanatomy.app): info@promptanatomy.app for support, license, and resends
- License: site content all-rights-reserved; prompts produced by users belong to those users
- Pricing: prompt builder is free; optional PDF guides are one-time purchases ($4.99 Beginners - Prompt Anatomy, previously $9.99; $9.99 Advanced - Prompt Anatomy, previously $19.99); no subscription; no account
- Audience: US K-12 teachers
- Data: no personal information collected through the prompt-building workflow; localStorage only; optional PDF purchases use Stripe checkout, Resend transactional email, and signed download links; cookieless aggregate analytics when enabled by the hosting platform

## Canonical pages

- [Home](https://promptanatomy.online/): Free Classroom Prompt Builder for US K-12 teachers
- [Privacy Policy](https://promptanatomy.online/privacy.html): What we collect, FERPA-aware posture, no student PII
- [Terms of Use](https://promptanatomy.online/terms.html): Responsible AI disclaimer plus Classroom License for paid PDFs
- [Post-purchase](https://promptanatomy.online/success.html): Polls /api/download-link after Stripe redirect

## Paid PDF flow

- Checkout: Stripe Payment Links (URLs in config/sot.json commerce.stripePaymentLinks)
- Fulfillment: POST /api/stripe-webhook -> Redis + Resend email with 7-day signed link
- In-page download: success.html polls GET /api/download-link?session_id=... then GET /api/download
- Commerce copy and pricing: single source in config/sot.json (hydrated to index.html at runtime)

## Modes

- LESSON - full lesson plan (intro, activities, reflection)
- ASSESSMENT - knowledge check (quiz plus open questions)
- TASKS - classwork and homework, differentiated
- PRESENTATION - slide outline
- STRATEGY - teaching method and weekly priorities

## Trust and safety

- No student PII collected by the Service
- FERPA-aware privacy posture documented in Privacy Policy section 5
- Responsible AI disclaimer in Terms of Use section 3: AI outputs must be verified and are not for high-stakes decisions
- Optional paid PDFs are delivered through secure, expiring download links after Stripe payment

## Limitations

- The Service does NOT call any AI API. It only constructs the prompt text.
- Users must paste prompts into ChatGPT, Claude, or Gemini themselves.
- Output quality depends on the third-party AI tool used.
- The Service does not store or transmit student records.
- PDF guide availability depends on successful payment and email delivery.
- Fulfillment requires the same production domain for Payment Link success URL, Stripe webhook, and Vercel env (redirect and webhook must not point at different hosts).

## Optional reads

- [Full content](https://promptanatomy.online/llms-full.txt): Concatenated plaintext of homepage, FAQ, buyer FAQ, and legal summary
- [Open Graph image](https://promptanatomy.online/og-image.png): 1200x630 PNG social card
- [Sitemap](https://promptanatomy.online/sitemap.xml): XML sitemap with image extension
- [Security contact](https://promptanatomy.online/.well-known/security.txt): RFC 9116 security disclosure contact