com.blackwalltier/blackwall-x402-guardrail

com.blackwalltier/blackwall-x402-guardrail

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

View repository →Homepage →

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Cursor · HTTP clients.

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

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
AI & ML
Version
0.1.2
Registry
active
Published
8/25/2026

Remotes

  • streamable-httphttps://mcp.blackwalltier.com

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com.blackwalltier/blackwall-x402-guardrail — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/com-blackwalltier-blackwall-x402-guardrail?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="com.blackwalltier/blackwall-x402-guardrail — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![com.blackwalltier/blackwall-x402-guardrail — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/com-blackwalltier-blackwall-x402-guardrail?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.