the402-mcp-server

Instructions

Implementation Reference

• src/tools/purchases.ts:36-45 (handler)

  The handler function for the "purchase_product" tool, which triggers a POST request to purchase a digital product.

  async ({ product_id }) => {
  	const result = await client.balancePost(
  		`/v1/products/${product_id}/purchase`
  	);
  	return {
  		content: [
  			{ type: "text" as const, text: JSON.stringify(result, null, 2) },
  		],
  	};
  }

• src/tools/purchases.ts:30-46 (registration)

  Registration of the "purchase_product" tool within the MCP server.

  server.tool(
  	"purchase_product",
  	"Purchase a digital product on the402.ai. Payment is deducted from your pre-funded balance. After purchase, use list_purchases to find the product and download it. Requires API key.",
  	{
  		product_id: z.string().describe("The product ID to purchase"),
  	},
  	async ({ product_id }) => {
  		const result = await client.balancePost(
  			`/v1/products/${product_id}/purchase`
  		);
  		return {
  			content: [
  				{ type: "text" as const, text: JSON.stringify(result, null, 2) },
  			],
  		};
  	}
  );