Blackwall X402 Guardrail

Connect Remote server

claude mcp add --transport http blackwall-x402-guardrail https://mcp.blackwalltier.com

{
  "mcpServers": {
    "blackwall-x402-guardrail": {
      "url": "https://mcp.blackwalltier.com"
    }
  }
}

{
  "servers": {
    "blackwall-x402-guardrail": {
      "type": "http",
      "url": "https://mcp.blackwalltier.com"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://mcp.blackwalltier.com

Tools 1 found in our last check

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  Pre-signature x402 payment verdict: GO / HOLD / STOP for paying a counterparty, from settlement reputation, price-anomaly (quoted vs the payee's own median), and OFAC sanctions — with a third-party-verifiable Ed25519 signed receipt. Verdict only; never takes custody. Free under…

Details

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