spend-guardPayments & BillingCryptocurrencySecurityvulinh1704AlicenseAqualityBmaintenanceEnables MCP clients to fetch x402-paywalled URLs while enforcing spending policies, and to inspect budgets, recent payments, and policy rules. Flagged payments wait for human approval on the dashboard. Updated 3 days ago (2026-11-01 14:34 UTC)30MIT