Umbrella MCP: payment preflight, auth watch, HIP-3 trade preflight, velocity checks
Free
4 servers across payments & billing and finance & commerce. The largest is PayStage.
Payments & Billing · Finance & Commerce
4
servers published
2 categories
3k
downloads
counted by the registries
0
followers
told when a release lands
4 of 4
security-scanned
servers with a scan grade
4 MCP servers, most downloaded first. 4 of 4 are free to start.
MCP tool: evaluate HIP-3/trade.xyz orders against a local TradePolicy before trading
Free
Evaluate x402 PaymentRequired against a local spending policy before an agent pays
Free
Read-only MCP tools to list and flag outstanding ERC-20, Permit2, and EIP-3009 auths
Free
Authentication
0 of 4 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.