price-hunter

Search and track grocery prices from Berlin supermarkets (Rewe, Lidl, Aldi). Stores best prices in a local database. Triggers on: /prices search <item>, /prices best <item>, /prices list, 'how much does X cost', 'cheapest X in Berlin', 'find price for', or when looking up grocery costs for meal planning.

Price Hunter

Find and track the best grocery prices in Berlin.

Setup

bash skills/price-hunter/scripts/init-db.sh

Commands

`/prices search <item>`

Web search: "[item] price supermarket Berlin Germany Rewe Lidl Aldi 2025"
Extract prices for 2–3 stores. See references/berlin-prices.md for typical ranges.

Save results:

bash skills/price-hunter/scripts/save-price.sh '[item]' '[store]' [price] '[unit]'

Display sorted cheapest first:

Prices for pasta (500g):
• Aldi:  €0.89
• Lidl:  €0.99
• Rewe:  €1.29
Cheapest: Aldi

`/prices best <item>`

sqlite3 /data/workspace/pantry.db "SELECT store, price, unit FROM prices WHERE item='[item]' ORDER BY price ASC LIMIT 1;"

Reply: "Best price for [item]: €[price] [unit] at [store]"

`/prices list`

sqlite3 /data/workspace/pantry.db "SELECT item, store, MIN(price) as price, unit FROM prices GROUP BY item ORDER BY item;"

Display as a table grouped by item.

Notes

Aldi/Lidl are typically 20–30% cheaper than Rewe
Data is shared with shopping-agent for budget optimization
See references/berlin-prices.md for typical price ranges