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Pre-signature x402 payment verdict (GO/HOLD/STOP) for AI agents, with a verifiable signed receipt.
复制安装指令，让 AI 自动完成配置 · 推荐新手
请帮我安装 askskill 上的 "com.blackwalltier/blackwall-x402-guardrail" MCP 服务： 执行：claude mcp add --transport http 'com-blackwalltier-blackwall-x402-guardrail' 'https://mcp.blackwalltier.com'