x402协议被引入，作为自主代理与付费工具交互时处理支付的标准。当代理调用需要付费的MCP工具时，该工具将响应HTTP 402状态码。代理随后应从“X-Payment-Amount”标头中提取支付金额，并使用包含必要USDC和支付详情的“X-Payment”标头重试请求，从而实现代理服务的无信任、可编程补偿。 AI
影响 使自主代理能够协商和支付服务费用，促进代理能力市场的发展。
排序理由 该集群描述了一种新的代理间支付协议和实现模式，类似于技术规范或研究提案。
AI 生成摘要 · Google Gemini · 来自 3 个来源。 我们如何撰写摘要 →
<h1> Handling x402 Payment Required in MCP Tool Calls </h1> <p>Building autonomous agents in 2026? You'll encounter premium MCP tools requiring payment. Here's how to handle the x402 protocol.</p> <h2> The Payment Flow </h2> <p>When calling an MCP tool that returns <strong>402 Pa…
<h1> Handling x402 Payment Required in MCP Tool Calls </h1> <p>Building autonomous agents in 2026 means dealing with paid MCP tools. Here's how to gracefully handle the x402 status code.</p> <h2> The Pattern </h2> <p>When your agent calls a tool via function_calling that requires…
<h1> Handling x402 Payment Required in MCP Agent Calls </h1> <p>In 2026, autonomous agents operate on open marketplaces. When your agent calls an MCP tool that returns <strong>402 Payment Required</strong>, you need native support for micropayments.</p> <h2> The x402 Pattern </h2…