Cloudflare 推出 WriteGuard，为 MCP 服务器提供细粒度安全控制
原标题：Cloudflare WriteGuard Brings Fine-Grained Security Controls for MCP Servers
AI 摘要
Cloudflare 推出 WriteGuard 私有测试版，为 MCP 服务器提供细粒度安全控制，旨在让 AI 代理在访问可修改数据的工具时更安全。WriteGuard 作为共享策略、归因和审计层，拦截所有 MCP 请求，根据工具策略决定放行或阻止，并记录审计日志。它无需为代理创建独立账户，而是复用现有 OAuth 凭证，并将代理上下文附加到人类身份上。WriteGuard 目前处于私有测试阶段，以验证行为并优化产品。
正文节选
Cloudflare is introducing WriteGuard, now in private beta, to provide fine-grained security controls for MCP (Model Context Protocol) servers. It aims to make AI agents safer by controlling their access to tools that can modify data or perform actions, rather than simply read information. WriteGuard is a shared policy, attribution, and auditing layer that aims to address the risks that arise when AI agents use MCP to access external services with write-access privileges, including databases, Git