{"type":"firestarter.listing","listing":{"id":"lst_AN3NMkxA","product_name":"Diamine Autumn Oak Ink","category":"Fountain Pen Ink","description":"\n\n\nBrand\nDiamine\n\n\nType\nBottled Ink\n\n\nName\n\n Autumn Oak Ink\n\n\nColor\n-\n\n\nShading\n Shading\n\n\n\nSheen\n Sheen\n\n\n\nShimmer\n Shimmer\n\n\n\nDry Time\n30 Seconds\n\n\nBottle Material\nGlass\n\n\nBottle Opening Diameter\n18mm\n\n\nVolume\n30 Ml\n\n\nOrigin\nEngland\n\n\n\nInk colors give different results on different papers. In addition, photographing and different screens may cause colors to be perceived differently from the actual color. For this reason, you can search for this ink color in Google images using the link below and benefit from the experiences of other users.\nDiamine Autumn Oak Ink - Search on Google Images \nProduct\nDiamine Autumn Oak Ink\nDescription\nDiamine ink is a water-based ink perfect for any brand of a fountain pen. It is completely non-toxic and offers probably the widest range of quality fountain pen ink colors in the world - in both traditional and contemporary shades. By adding a secret ingredient to de-stress the surface, Diamine achieves vibrant color with a free flow that glides on the paper surface, and which will not clog your pen.\nFeatures\n\n\nCan be used in all fountain pens, vintage or modern.\nDo not cause clogging in your pen.\n\nOffers a smooth typing experience.\nWill not damage your pen.\nIt can be used in piston and converter filler pens.\nThe pH value is in determining international standards.\nIt has an MSDS certificate.\n\nWe recommend that you do not leave the ink you use in your fountain pen for more than 4 weeks.\n\nDiamine Inks\nDiamine has been making ink since 1864 and is one of the last remaining manufacturers in the UK. Throughout, the Diamine trademark and the traditional production methods have survived and now in the 21st century, their fountain pen ink remains the first choice of many pen connoisseurs.\nThey have some interesting ink facts. Monaco Red color was specially formulated for his Serene Highness Prince Rainier III of Monaco and the Grimaldi family in conjunction with a presentation of a limited edition fountain pen. Royal Blue ink was used on April ","images":["https://cdn.shopify.com/s/files/1/0575/7177/products/Diamine-Autumn-Oak-30ml-Glass-Bottled-Ink.jpg?v=1655560456","https://cdn.shopify.com/s/files/1/0575/7177/files/diamine-autumn-oak-ink-review-2.jpg?v=1683639174","https://cdn.shopify.com/s/files/1/0575/7177/products/Diamine-Autumn-Oak-30ml-Glass-Bottled-Ink-2.jpg?v=1683638902"],"price":11,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:01.700Z"},"share_url":"https://firestarter.network/l/lst_AN3NMkxA","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_AN3NMkxA' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Diamine Autumn Oak Ink' and a budget_max comfortably above $11.00 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."]}}