Crumb connects your Square store to ChatGPT, Claude, and Gemini. Customers discover your products, build carts, and check out — all through natural conversation.
"Find me a birthday gift from local shops under $50"
"I found 3 options from Your Shop — a hand-poured candle set ($38), artisan chocolate box ($42), and a ceramic mug collection ($45). Want me to add any to your cart?"
Secure Square checkout link generated. You get paid.
Authorize Crumb via Square OAuth. Your catalog, locations, and inventory sync automatically. Takes under 2 minutes.
Crumb makes your catalog searchable by ChatGPT, Claude, Gemini, and any AI assistant. Customers find your products through natural conversation.
Orders go through secure Square-hosted payment links. Funds settle directly to your Square account.
No monthly fees, no setup charges. Crumb earns only when you earn — pay a small transaction fee per completed sale.
Millions of people use AI assistants daily. Crumb puts your products in front of them without you lifting a finger.
Product changes in Square are reflected automatically. No double entry, no stale listings, no manual uploads.
Payments go through Square's hosted checkout. Crumb never handles card data. Your customer trust stays intact.
Add Crumb to any MCP-compatible AI agent with one endpoint. Browse merchants, search products, manage carts, and generate checkout links programmatically.
https://crumb.llc/mcp/v3claude mcp add crumb --url https://crumb.llc/mcp/v3