blackwalltier
2 servers published under blackwalltier. 1 answered our last handshake, 0 did not, and between them they expose 1 tools.
2 servers 1 answering 0 not responding 266 installs/wk
Blackwall X402 Guardrail
com.blackwalltier/blackwall-x402-guardrail
Pre-signature x402 payment verdict (GO/HOLD/STOP) for AI agents, with a verifiable signed receipt.
Blackwall
com.blackwalltier/blackwall
Pre-action risk gate: AI agents call before any irreversible action (money, SQL, delete).