blackwall-x402-guardrail MCP server

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

Category: Finance

● Online, checked 263 min ago · 166 ms

Source: official MCP Registry entry com.blackwalltier/blackwall-x402-guardrail · repository

Direct MCP URL and setup

CLAUDE CODE

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

CURSOR / VS CODE (mcp.json)

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