{"product_id":"mcp-payments-guide","title":"MCP Payments Guide","description":"\u003cp\u003e\u003cb\u003eReview MCP payment boundaries, tool-call approval and verification of paid delivery.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMCP Payments Guide is a 4-page PDF field guide. Paid MCP tool calls, approval boundaries and delivery checks.\u003c\/p\u003e\u003cp\u003e• Discovery is not authorization: A tool description can advertise paid capability but should not grant spending permission.\u003c\/p\u003e\u003cp\u003e• Quote the exact invocation: Bind cost and scope to arguments, identity, expiry and expected output.\u003c\/p\u003e\u003cp\u003e• Keep policy outside the seller: The buyer or its delegated controller should enforce caps and allowed destinations.\u003c\/p\u003e\u003cp\u003e• Return structured evidence: Tool results should distinguish settlement, execution and accepted output.\u003c\/p\u003e\u003cp\u003eAction checklist: Declare paid behavior in tool metadata; Request a scoped quote; Apply buyer-side spend policy; Confirm recipient and network; Correlate payment with tool call; Return receipt and delivery state.\u003c\/p\u003e\u003cp\u003eMCP implementations differ; verify the active specification and host security model.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394623975729,"sku":"SML-X402-004","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/mcp-payments-guide.jpg?v=1789926415","url":"https:\/\/shop.scriptmasterlabs.com\/products\/mcp-payments-guide","provider":"My Store","version":"1.0","type":"link"}