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MCP Server
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com.blackwalltier/blackwall-x402-guardrail MCP Server

com.blackwalltier/blackwall-x402-guardrail

RepositoryRegistry

What is the com.blackwalltier/blackwall-x402-guardrail MCP server?

Pre-signature x402 payment verdict (GO/HOLD/STOP) for AI agents, with a verifiable signed receipt.

How to install com.blackwalltier/blackwall-x402-guardrail

Copy-paste configuration for popular MCP clients.

transport: http
Config generated by PluginBench — verify against the source before use.
Cursor
~/.cursor/mcp.json
{
  "mcpServers": {
    "blackwall-x402-guardrail": {
      "url": "https://mcp.blackwalltier.com"
    }
  }
}
Windsurf
~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "blackwall-x402-guardrail": {
      "serverUrl": "https://mcp.blackwalltier.com"
    }
  }
}
VS Code
.vscode/mcp.json
{
  "servers": {
    "blackwall-x402-guardrail": {
      "type": "http",
      "url": "https://mcp.blackwalltier.com"
    }
  }
}
Claude Desktop
Claude Desktop connects to remote servers via the mcp-remote bridge.
{
  "mcpServers": {
    "blackwall-x402-guardrail": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.blackwalltier.com"
      ]
    }
  }
}
Claude Code
claude mcp add --transport http blackwall-x402-guardrail https://mcp.blackwalltier.com

Related MCP servers

com.blackwalltier/blackwall

Maintained

Pre-action risk gate: AI agents call before any irreversible action (money, SQL, delete).

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