blackwall-x402-guardrail
MCP serverCommerce & financeKeyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.
Serves today. ahel can serve it to every connected agent through your gateway link.
Serve it through your gateway
One link, every agent. Your own credentials, stored once.
Signals
- Last commit
- Aug 2026
github.com/bluetieroperations-create/blackwall-x402-mcp