# Agent Instructions — Vitateka Vitateka OÜ is an Estonian online retailer of dietary supplements, cosmetics and healthy food. Around 6,100 products, priced in EUR, storefronts in 7 languages, delivery across Estonia, Latvia, Lithuania, Finland and Poland. This store supports AI-driven catalogue discovery and shopping cart creation over the Universal Commerce Protocol (UCP). Store URL: https://vitateka.ee/en ## Commerce Protocol (UCP) - Discovery — GET https://vitateka.ee/en/.well-known/ucp (merchant profile: versions, capabilities) - MCP endpoint — POST https://vitateka.ee/en/agent/mcp (Content-Type: application/json) ### Typical agent flow (v1) 1. Discover — GET /.well-known/ucp 2. Search — search_catalog 3. Inspect — get_product / lookup_catalog 4. Cart — create_cart, then give the shopper the returned continue_url to review and complete (The agent builds the cart; the shopper completes checkout in the browser — checkout requires human approval.) ### Supported UCP versions - 2026-04-08 (latest stable) - 2026-01-23 ### Rules - Pass context.address_country and context.currency for accurate pricing/availability. - Respect rate limits; back off on 429. - Checkout requires human approval. Do not complete payment without explicit buyer consent. ## Read-Only Browsing (No Authentication Required) The store serves these JSON endpoints itself (no auth, no GraphQL dependency): - Products / search — GET https://vitateka.ee/en/agent/products.json?q={query}&page={n} - Single product — GET https://vitateka.ee/en/agent/products/{url_key}.json - Category products — GET https://vitateka.ee/en/agent/collections/{url_key}/products.json - Sitemap — GET https://vitateka.ee/en/sitemap.xml - Agent discovery — /agents.md (canonical) and /llms.txt (mirror), plus /.well-known/ucp ## Main Product Categories - [Supplements](https://vitateka.ee/en/catalog/supplements) - [Cosmetics](https://vitateka.ee/en/catalog/cosmetics) - [Special care](https://vitateka.ee/en/catalog/healing-cosmetics) - [Healthy food](https://vitateka.ee/en/catalog/healthy-food) - [Accessories for health and home](https://vitateka.ee/en/catalog/health-equipment) - [Allahindlused](https://vitateka.ee/en/discounts) ## Product Questions and Answers - [Help Center](https://vitateka.ee/en/knowledge-base) — a curated question-and-answer library about the products in this catalogue (composition, dosage, contraindications, usage). Answers are tied to specific products and are a good source when a shopper asks how something is used. ## Store Policies - [Cookie Policy](https://vitateka.ee/en/privacy-policy-cookie-restriction-mode) - [Delivery](https://vitateka.ee/en/delivery) - [Privacy Policy](https://vitateka.ee/en/rules-for-processing-personal-data) - [Returning goods](https://vitateka.ee/en/returning-goods) - [Terms of Sale](https://vitateka.ee/en/terms_of_sale)