Umbrella MCP: payment preflight, auth watch, HIP-3 trade preflight, velocity checks
claude mcp add --transport http 'base-buzz' 'https://api.paystage.xyz/mcp'Run in a terminal; adds the server to Claude Code.
https://api.paystage.xyz/mcp@paystage/mcpPAYSTAGE_POLICY_PATHPAYSTAGE_RPC_URLEvaluate x402 PaymentRequired against a local spending policy before an agent pays
Read-only MCP tools to list and flag outstanding ERC-20, Permit2, and EIP-3009 auths
Umbrella MCP: payment preflight, auth watch, HIP-3 trade preflight, velocity checks
Evaluate x402 PaymentRequired against a local spending policy before an agent pays
MCP tool: evaluate HIP-3/trade.xyz orders against a local TradePolicy before trading