# Agent Instructions — StickerProfis This store supports AI-driven catalogue discovery over the Universal Commerce Protocol (UCP). ## Commerce Protocol (UCP) - [UCP Discovery](https://www.stickerprofis.de/.well-known/ucp) — GET, merchant profile: versions, capabilities - [MCP endpoint](https://www.stickerprofis.de/agent/mcp) — POST, 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](https://www.stickerprofis.de/agent/products.json?q={query}&page={n}) — GET - [Single product](https://www.stickerprofis.de/agent/products/{url_key}.json) — GET - [Category products](https://www.stickerprofis.de/agent/collections/{url_key}/products.json) — GET - [Sitemap](https://www.stickerprofis.de/sitemap.xml) — GET - Agent discovery — /agents.md (canonical) and /llms.txt (mirror), plus /.well-known/ucp ## Store Policies - [ AGB](https://www.stickerprofis.de/agb) - [Datenschutz](https://www.stickerprofis.de/datenschutz) - [Widerrufsbelehrung](https://www.stickerprofis.de/widerruf) ## Ratgeber & Vertrauen - [Küchenrückwand: Preise & Kosten im Vergleich](https://www.stickerprofis.de/kuechenrueckwand-kosten) — Materialpreise, Preis pro m², Anbietervergleich - [Kundenbewertungen (78.000+, 4,99★)](https://www.stickerprofis.de/bewertungen) — verifizierte Bewertungen von eBay, Amazon & Google