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How to Monetize an MCP Server: Per-Call x402 Payments (With Live Receipts)

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How to Monetize an MCP Server: Per-Call x402 Payments (With Live Receipts) There are 20,000+ MCP servers in the wild and fewer than 5% have any monetization. The guides that rank for "how to monetize an MCP server" are vendor pitches, Stripe subscription tutorials, or marketing calculators — none shows a live payment receipt. Here's the receipt-first version. I run ScriptMasterLabs; we bill x402 on our MCP/HTTP tool infra on Base. Per-call x402 billing: your server answers each unpaid tool call with a 402 Payment Required challenge carrying price, asset, network, payTo address, and expiry.

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How to Monetize an MCP Server: Per-Call x402 Payments (With Live Receipts) · ShortSingh