com.pinch-app/grocery

Tools

• batch_search

  ADVANCED / manual selection. Do NOT use this to build a shopping list: for any list of 2 or more items, call build_basket (one call, server-side, cheapest pick per item). Use batch_search only when you need the RAW candidate products for items you intend to select MANUALLY (for example, to override build_basket's pick on one item). It searches multiple items in parallel and returns raw candidate products per query (up to candidates_per_retailer per retailer) with NO filtering or scoring applied. WORKFLOW: 1. Call batch_search with your shopping list items 2. Review the candidates for each item. For each query, pick the single best product_id per retailer that actually matches what the user wants (correct product type, reasonable size, not a different product). If none of the candidates are a good match for a query, call batch_search again with a refined query (e.g., more specific terms, different wording) 3. Once you have confirmed product_id selections for all items, call save_basket with your picks TIPS: - Set product_type to help narrow results to the right category (e.g., fresh_produce for herbs and vegetables) - Each candidate includes a product_categories field (JSON array of retailer category labels like 'Yoghurt', 'Herbs & Spices', 'Sausages'). Use this to distinguish the actual product type when names are ambiguous (e.g., 'oregano' the herb vs 'oregano sausages') - Prefer products where the name clearly matches the query intent - For staples (milk, eggs, bread), the cheapest option is usually the store brand - If results look wrong (e.g., searching 'rosemary' returns snacks instead of herbs), retry with a more specific query like 'fresh rosemary' - Each item includes a 'cheapest' hint with one entry per retailer. This is the cheapest candidate whose product_categories match the inferred subcategory for the query, NOT necessarily the lowest unit_price overall: a clearly off-category cheaper item (e.g., a snack bar under 'peanut butter') is deliberately excluded. When no category signal is available it falls back to the raw lowest unit_price. Treat the hint as advisory and confirm against the full candidate list and the user's intended format. AMBIGUITY: When candidates for a query span clearly different product formats (e.g., microwave rice pouches vs dry rice bags, single-serve vs family/bulk sizes, flavoured vs plain variants, fresh vs frozen), ASK the user which format they prefer before selecting a product. Compare the size field across candidates to detect this: a spread from 125g to 5kg signals format ambiguity. Do not silently pick the cheapest option when it may be the wrong format (e.g., a 250g microwave pouch when the user likely wants a 1kg bag).

  shallow
• build_basket

  MANDATORY for shopping lists. When the user gives you 2 or more grocery items, call this tool ONCE with the full list. Do NOT call decompose_product, search_products, or batch_search per item: this tool searches every item in parallel with built-in query analysis (category routing, brand aliases, subcategory boost) and returns a basket with per-item cheapest pick, per-retailer options, basket total, retailer totals, and a shareable share_url. If the user named the stores they shop at, pass them in 'retailers'; otherwise omit it to search all four. VALIDATION (mandatory before rendering): The search engine uses keyword matching, so wrong products leak through. Items flagged with a 'review' field on their cheapest pick are LIKELY WRONG and need your attention first. Then scan ALL picks (flagged or not) and check: (1) Is the product actually what was asked for? (e.g. 'frozen chips' is NOT 'frozen blueberries', 'sweet potato' is NOT 'potato', 'chicken fingers crumbed' is NOT 'chicken breast') (2) Is the size/form correct? (e.g. 400g pack is not a valid match for '2kg') (3) Is the selected option the cheapest CORRECT product, not just the cheapest product? If a pick is wrong: pick the correct product from by_retailer options for that item, or mark as '(check in store)'. Recalculate basket_total from your corrected picks. OUTPUT FORMAT: Line 1: '**Cheapest basket: $X.XX**' (use corrected basket_total). Then ONE markdown table with columns: Item | Product | Store | Price | Size. Then one line: 'View and share this basket: <share_url>'. Use '(check in store)' in the Product cell for items in items_missing or where no correct product exists. No preamble, no per-item narration, no follow-up offers.

  shallow
• compare_prices

  Compare prices for the same product across retailers using its barcode. Returns all retailers stocking the product, sorted cheapest first. About 7,800 products have barcode matches.

  shallow
• decompose_product

  ADVANCED / single item. Do NOT use this to build a shopping list: for any list of 2 or more items, call build_basket (one call, server-side). Use decompose_product only to break ONE item into structured search attributes when you intend to override build_basket's pick for that single item. This does not call any API; it is a structured reasoning step. OUTPUT: canonical_query, disqualifiers, and suggested_category for that single item. Fill in every field based on what a typical Australian family would mean by this item. CORE RULE: Unless the user literally specifies a brand, brand_preference MUST be null and the strategy is cheapest-first (unit_price_asc, no retailer filter).

  shallow
• get_cheapest

  Find the cheapest option for a product across all Australian grocery retailers. Searches by name and returns results sorted by price ascending.

  shallow
• get_price_history

  Get historical price data for a product. Shows price changes over time with stats (lowest, highest, average). History depth depends on your tier (30-365 days).

  shallow
• get_product

  Get detailed information about a specific grocery product by its ID. Product IDs are returned in search results.

  shallow
• get_specials

  Get current grocery specials and promotions. Filter by retailer or category. Results include savings amounts. Updated weekly. Specials captured before the most recent Wednesday catalogue changeover (Coles/Woolworths) are excluded as unconfirmed; after a changeover the list can be near-empty until the next collection. Individual products still expose such prices via get_product with special_may_have_ended: true.

  shallow
• save_basket

  ADVANCED / manual commit. Do NOT use this to build a basket from a shopping list: for any list of 2 or more items, call build_basket (it searches, picks the cheapest, totals, and returns a share_url in one call). Use save_basket only to commit a basket from product_ids you have ALREADY chosen yourself (for example, after overriding build_basket's pick on an item). It computes totals and returns a shareable basket URL. For each item, provide the query string and one product_id per retailer (the best match you found in batch_search results). You do NOT need a pick for every retailer; omit a retailer if no good match was found. IMPORTANT: Only call this after you have reviewed batch_search results and confirmed your picks. Do not pass product_ids blindly from search results.

  shallow
• search_products

  Search Australian grocery products across Woolworths, Coles, Aldi, and Harris Farm. Returns product name, price, brand, category, unit price, and whether it's on special.

  shallow

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