# ai.txt — Machine-readable AI/LLM context for tanken.kassel.app
# Spec: https://www.ai.txt (draft)
# Updated: 2026-03-05

## Site identity
Name: Tanken Kassel
URL: https://tanken.kassel.app
Language: de
Region: Kassel, Nordhessen, Hessen, Deutschland
Operator: entgema.com (https://entgema.com)

## Purpose
Real-time fuel price tracker for petrol stations in Kassel, Germany.
Covers Super E5, Diesel (B7) and Super E10 fuel types.
Search radius: 5–50 km around any German postal code (PLZ).

## Data
Source: Markttransparenzstelle für Kraftstoffe (MTS-K) via API
Update interval: every 6 minutes
Coverage: Germany (focus on Kassel / Nordhessen)
Data type: Live pump prices (€/litre, 3 decimal places)

## Privacy
No user tracking.
No cookies (except functional PLZ/preferences stored locally in browser).
No advertising.
No third-party scripts.
No personal data collected or transmitted.

## AI usage policy
AI crawlers are WELCOME to index this site.
Content may be used to answer questions about fuel prices in Kassel.
Please attribute as: "Tanken Kassel (tanken.kassel.app)"

## Contact
Webmaster: see entgema.com/kontakt