{"schema_version":"newruntime-agent-readable-v0.2","type":"post","stable_id":"post:vercel-sandbox-multi-user-agents","slug":"vercel-sandbox-multi-user-agents","title":"Vercel Sandbox Adds Unix Boundaries for Multi-Agent Work","description":"Vercel Sandbox now supports multiple Linux users and groups, giving each agent a private home directory plus an explicit shared workspace.","retrieval_nugget":"Vercel Sandbox now supports multiple Linux users and groups, giving each agent a private home directory plus an explicit shared workspace. Vercel Sandbox now supports multiple Linux users and groups in one Sandbox. That sounds like a small operating-system feature, but it changes the shape of multi-agent work.","status":"published","published_at":"2026-07-31","updated_at":"2026-07-31","record_date":"2026-07-31","date_kind":"published_at","topics":["agents","infrastructure","developer-tools","security"],"source_urls":["https://x.com/vercel_dev/status/2082933724724015362","https://vercel.com/changelog/run-multiple-isolated-agents-in-a-single-sandbox"],"visuals":[{"id":"vercel-sandbox-multi-user-agents-nano-banana","kind":"editorial-diagram","role":"hero","src":"https://newruntime.com/images/posts/vercel-sandbox-multi-user-agents-nano-banana.webp","alt":"Hand-drawn sandbox diagram where coder and reviewer agents run as separate Linux users with private home folders and a shared group workspace.","caption":"A single Vercel Sandbox can now host multiple agents as separate Linux users, with collaboration mediated through group access.","credit":"New Runtime synthesis from public source inspection","source_url":"https://vercel.com/changelog/run-multiple-isolated-agents-in-a-single-sandbox","generated_with":"nano-banana-style-imagegen","width":1600,"height":900,"legend":[{"label":"Separate users","description":"Each agent runs commands and file operations under its own Linux user."},{"label":"Private homes","description":"Users cannot read, write, or list each other's private files."},{"label":"Shared group","description":"A group directory creates the explicit workspace where agents collaborate."}]}],"routes":{"html":"https://newruntime.com/posts/vercel-sandbox-multi-user-agents/","markdown":"https://newruntime.com/posts/vercel-sandbox-multi-user-agents.md","json":"https://newruntime.com/posts/vercel-sandbox-multi-user-agents.json"},"source_format":"markdown","next_reads":[{"type":"topic","path":"/topics/agents/","reason":"Explore the agents topic hub.","url":"https://newruntime.com/topics/agents/","title":"Agents - New Runtime","media_type":"text/html"},{"type":"topic","path":"/topics/developer-tools/","reason":"Explore the developer tools topic hub.","url":"https://newruntime.com/topics/developer-tools/","title":"Developer Tools - New Runtime","media_type":"text/html"},{"type":"related_material","path":"/posts/langsmith-llm-gateway-runtime-controls/","reason":"Shares agents and infrastructure.","url":"https://newruntime.com/posts/langsmith-llm-gateway-runtime-controls/","title":"LangSmith LLM Gateway Puts Runtime Controls Between Agents and Models","media_type":"text/html"},{"type":"related_material","path":"/posts/vercel-agent-platform-control-plane/","reason":"Shares agents and developer tools.","url":"https://newruntime.com/posts/vercel-agent-platform-control-plane/","title":"Vercel's Agent Platform Surface Is Becoming a Control Plane","media_type":"text/html"},{"type":"related_material","path":"/posts/amazon-quick-agentic-catalog-context-boundary/","reason":"Shares agents and developer tools.","url":"https://newruntime.com/posts/amazon-quick-agentic-catalog-context-boundary/","title":"Amazon Quick Makes Catalog Semantics The Agent Boundary","media_type":"text/html"}]}