Unverified50% confidenceFactExact time
Claude Code and Codex always run in a Vercel Sandbox within durable-harness, because they need a real shell and filesystem and are not suited to multi-tenant use.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/20/2026
First Seen
Valid until: 1/18/2027
Sources
Related Entities
Related Claims
UnverifiedVercel has launched durable-harness, a set of adapters and tools that let third-party coding agent frameworks such as Pi, OpenCode, Codex and Claude Code gain durability (resistance to crashes and function timeouts) in the cloud.66% similarUnverifiedSandcastle supports Claude Code and Codex as coding Agents.61% similarUnverified在全栈物流管理系统项目中，新增数据操作Claude Code版本卡在loading并报错、数据未写入数据库，而M-Code能正常落库并刷新展示60% similar
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