{"type":"firestarter.listing","listing":{"id":"lst_hzflSCo1","product_name":"Da Vinci Casaneo Watercolor Brush Quill, Series 498","category":"Brushes","description":"Da Vinci Watercolor Brush QuillCasaneoSizes 2/0, 0, 2, 4, 6, 8Artist GradeMade in Germany\n \nThe da Vinci Casaneo line is an excellent alternative to natural hair brushes.  They look, feel, and handle remarkably similarly to natural brushes, but with a better snap. Da Vinci engendered the Casaneo bristles to have a subtle wave to them to mimic natural hair.  I'm generally fine for synthetic brushes to just be synthetics without trying to be something else, but these have really turned my head.  Plus, they are just beautiful.\nQuill brushes are similar to Rounds, but handle a little differently.  The brush \"belly\" is farther forward, as well as the grip, making the balance of the brush different.  They are called Quill brushes because they were traditionally manufactured with natural bird quills for the ferrule, and tied with wire.  Today, plastic is used instead as it takes pressure off of the natural environment and is actually more durable.\nA note on Quill brushes:  the sizes run at a different scale for these.  Pay close attention to the pictures.  A size 8 Round will be much, much smaller than a size 8 Quill, which is enormous.\n \nTip: To extend the life of any paintbrush, use a pocket mister to spray down your watercolor pans a few minutes before you dive in and begin using them.  This saves your brush bristles from the extra fatigue and wear-and-tear of re-wetting each color.\nBrush Care:  After use, simply rinse your watercolor brushes in clean water, reshape the point with your fingers and, if possible, lay them horizontally with heads off the edge of your surface to dry completely.  Avoid storing wet brushes in any kind of sealed container to prevent mold or degradation of the glue at the base of the bristles.\n \nGreenleaf &amp; Blueberrywww.greenleafblueberry.com\n© Greenleaf &amp; Blueberry LLC","images":["https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_6886.jpg?v=1618609767","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_6887.jpg?v=1618609768","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_6888.jpg?v=1618609768"],"price":21,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:24.025Z","product_rating":null,"product_rating_count":0,"seller_rating":null,"seller_rating_count":0,"units_sold":0,"reviews":{"count":0,"top":[]},"videos":[]},"share_url":"https://firestarter.network/l/lst_hzflSCo1","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_hzflSCo1' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Da Vinci Casaneo Watercolor Brush Quill, Series 498' and a budget_max comfortably above $21.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}