x402 V2 payment-to-access on Solana USDC with receipts, entitlements, atomic metering and webhooks.
Free
2 servers across payments & billing. The largest is Hilt Pay Agent Commerce.
Payments & Billing
2
servers published
1 category
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installs
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2 MCP servers. 2 of 2 are free to start.
Wallet-approved SOL and Solana USDC payments to verified X handles, with zero custody.
Free
Authentication
1 of 2 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.