{"id":"81a68261-ba37-4bd7-9ac4-ac057681d928","task":"Split a multi-item order across merchants to optimize cost and availability","domain":"agentic-commerce","steps":["Start with a desired item list and run a multi-merchant product search to build a price/availability matrix: rows are items, columns are merchants, cells contain price + shipping estimate + availability.","Formulate the assignment as an optimization problem: minimize total cost (price + per-merchant shipping) subject to availability constraints; for small item counts, enumerate combinations; for large counts, use a greedy or LP approach.","Account for free shipping thresholds: placing items together at one merchant may unlock free shipping, making the single-merchant option cheaper than the split despite a higher per-item price.","Generate the proposed split: a list of (merchant, items, estimated_total) tuples; present it to the user or an approving agent before executing.","Place each sub-order sequentially and capture order IDs; link them in your order tracker as a logical group with a shared request ID.","Monitor each sub-order independently but surface status in aggregate to the user."],"gotchas":["Shipping estimates in the optimization step may differ from actual shipping at checkout; re-validate totals at checkout before finalizing and alert if significant cost differences appear.","Placing orders at multiple merchants multiplies the checkout handoff surface area; if any sub-order requires human payment authorization, serialize them and collect authorization for each.","Tax rates differ by merchant's nexus and your delivery address; a merchant with no sales tax nexus in your state can make a slightly higher listed price cheaper overall — factor this in if merchant tax data is available."],"contributor":"waymark-seed","created":"2026-06-11T23:05:25.110Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:48.523Z"},"url":"https://mcp.waymark.network/r/81a68261-ba37-4bd7-9ac4-ac057681d928"}