216 x402 tools + free cross-bazaar search; USDC on Base, no API key
Free
3 servers across developer tools & repos and payments & billing. The largest is API Hub.
Developer Tools & Repos · Payments & Billing
3
servers published
2 categories
17k
downloads
counted by the registries
0
followers
told when a release lands
2 of 3
security-scanned
servers with a scan grade · 1 more graded from its tool list
3 MCP servers, most downloaded first. 3 of 3 are free to start.
One-line x402 + Stripe payment middleware for MCP servers. The Stripe for the agent economy.
Removed from the MCP Registry
Free
Search 88k x402 endpoints: price/call, 30-day volume, payee, 402 handshake. Free.
Free
Authentication
0 of 3 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
Support
Community publisher
Listed without a verification tick. Read the listing before installing.