blackwall x402 guardrail for Zed

com.blackwalltier/blackwall-x402-guardrail

Keyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.

client:Zed transport:streamable-http tools:1

Install blackwall x402 guardrail in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

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

Merge this into your existing settings object — do not replace the file. Zed docs