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Perplexity Open-Sources SPACE: Rust & Firecracker microVM Sandbox Platform Powering Perplexity Computer Under Apache 2.0

Perplexity has open-sourced SPACE (Sandboxed Platform for Agentic Code Execution) under the Apache 2.0 license—the core Rust-based sandbox infrastructure that executes every agent task in Perplexity Computer. SPACE provisions an isolated Firecracker microVM for each task while enforcing credential injection and outbound network traffic control strictly outside the VM boundary, surging past 1,100 GitHub stars within hours.

Perplexity Open-Sources SPACE: Rust & Firecracker microVM Sandbox Platform Powering Perplexity Computer Under Apache 2.0

Key Takeaways

  • Open-sourced under Apache 2.0: Perplexity releases SPACE, the Rust-based sandbox platform powering every task in Perplexity Computer (1,130+ GitHub stars)
  • Per-task Firecracker microVM isolation: provisions dedicated microVMs with pluggable runtime support for hardware-level tenant isolation
  • Out-of-VM credential & egress control: manages secrets and filters outbound traffic strictly outside the VM boundary to prevent prompt-injection exfiltration
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AWS: Bedrock AgentCore Runtime hosts coding agents with Firecracker microVMs and persistent workspace

An AWS Machine Learning blog covers hosting coding agents on Amazon Bedrock AgentCore Runtime: each session gets a Firecracker microVM, /mnt/workspace survives idle, agentcore exec --it provides a real PTY, and Gateway MCP keeps GitHub/Jira tokens out of the VM. Run Claude Code, Codex, Kiro, and Cursor in isolation without localhost port fights.

Key Takeaways

  • Isolation: per-session Firecracker microVM with persistent /mnt/workspace.
  • Security: Gateway MCP holds GitHub/Jira tokens outside the VM.
  • Use case: race Claude Code / Codex / Kiro / Cursor on the same issue.
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