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Facet/ Schema/ Per-site menus
04CPer-site menus

Same ladder. Different offerings.

The tool ladder is universal. What each site offers through it is not. An ingredient distributor serves specs and lot data, a merchant serves inventory and checkout, a publisher serves articles and licensing terms. The agent learns the difference by reading capabilities.

Vertical · F&B supplier
Ingredient distributor
Catalog-heavy, spec-deep. Lot-level traceability is table stakes. Agent wants: "what's in stock, at what grade, with what allergens, from what lot."
Offers up
search_products→1,247 SKUs · UoM + pack-size + MOQ
quote_product→case-pack pricing · tiered by volume
get_document→spec sheet · COA · SDS · allergen decl
get_compliance→lot KDE · organic/kosher/halal certs
reserve + settle→PO or x402/Stripe charge on approval
Download this menu as JSON ↓
Vertical · D2C & B2B merchant
Merchant catalog
Variants, inventory, checkout. Shopify/Woo/custom. Agent wants: "find it, confirm it, buy it, ship it, and fire a webhook when it moves."
Offers up
search_products→variants · price · stock · images
quote_product→incl. shipping + tax estimate · 60s TTL
reserve→inventory held · 300s TTL · idempotent
settle→x402 (USDC) · Stripe (Visa/MC)
subscribe_webhook→order.settled · shipped · inventory
Download this menu as JSON ↓
Vertical · Publisher
Content & data site
Articles, reviews, reference data, datasets. Agent wants: "read one article with the right to cite, or buy a usage license for a dataset."
Offers up
search_products→articles · sections · datasets
get_product→full text · byline · publish date · DOI
get_licensing_terms→per-query · per-train · per-cite rates
purchase_license→signed receipt · usage cap · TTL
catalog_changes_since→new articles since cursor · no re-poll
Download this menu as JSON ↓
Same tools, different data shapes. Every response is typed, signed, and versioned, so agents that speak the ladder once can compose a thousand sites without bespoke glue. Want a vertical that isn't here? Tell us what you're building and we'll publish a sample manifest.