diff --git a/cmd/cart/main.go b/cmd/cart/main.go
index 7ecce73..da3dc47 100644
--- a/cmd/cart/main.go
+++ b/cmd/cart/main.go
@@ -14,6 +14,7 @@ import (
 
 	"git.k6n.net/mats/go-cart-actor/pkg/actor"
 	"git.k6n.net/mats/go-cart-actor/pkg/cart"
+	cartmcp "git.k6n.net/mats/go-cart-actor/pkg/cart/mcp"
 	"git.k6n.net/mats/go-cart-actor/pkg/promotions"
 	promotionmcp "git.k6n.net/mats/go-cart-actor/pkg/promotions/mcp"
 	"git.k6n.net/mats/go-cart-actor/internal/ucp"
@@ -242,6 +243,8 @@ func main() {
 		log.Fatalf("Error creating cart pool: %v\n", err)
 	}
 
+	cartMCP := cartmcp.New(pool)
+
 	// Publish each applied mutation to the "cart"/"mutation" RabbitMQ topic so the
 	// backoffice /commerce live feed (and other consumers) see cart activity.
 	// Best-effort: if AMQP is unreachable the cart still serves; the feed stays empty.
@@ -299,6 +302,13 @@ func main() {
 	mux.Handle("/mcp", promotionMCP.Handler())
 	mux.Handle("/mcp/", promotionMCP.Handler())
 
+	// Cart MCP edge: inspect and mutate carts — get_cart, get_cart_items,
+	// update_item_quantity, remove_cart_item, clear_cart, apply_voucher, etc.
+	// Exposes 11 tools on the same grain pool, mounted at /cart-mcp so it does
+	// not conflict with the Promotions MCP at /mcp.
+	mux.Handle("/cart-mcp", cartMCP.Handler())
+	mux.Handle("/cart-mcp/", cartMCP.Handler())
+
 	// UCP REST adapter — Universal Commerce Protocol
 	cartUCP := ucp.CartHandler(pool)
 	if signer := loadUCPCartSigner(); signer != nil {