x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.
Free
One server, in payments & billing. x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.
Payments & Billing
x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.