Cursor uses Apple’s Seatbelt (sandbox-exec) on macOS and Landlock plus seccomp on Linux. It generates a dynamic policy at runtime based on the workspace: the agent can read and write the open workspace and /tmp, read the broader filesystem, but cannot write elsewhere or make network requests without explicit approval. This reduced agent interruptions by roughly 40% compared to requiring approval for every command, because the agent runs freely within the fence and only asks when it needs to step outside.
Author(s): Marco Seiz, Tomohiro Takaki
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显然，在跨维度融合上，它远不及前代模型效果来得自然，还有进步的空间。，这一点在雷电模拟器官方版本下载中也有详细论述
Browser benchmarks (Chrome/Blink, averaged over 3 runs) show consistent gains as well: