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microsandbox

v0.5.6 Feature

This release adds 3 notable features for engineering teams evaluating rollout.

Published 1mo Virtualization
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

agents docker go linux local macos
+11 more
microvm nodejs python rust sandbox security self-hosted typescript virtualization vm windows

Summary

AI summary

Updates cli, runtime, and chore across a mixed release.

Changes in this release

Feature Medium

Adds explicit mount kind flags to CLI.

Adds explicit mount kind flags to CLI.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Feature Medium

Extracts transport client packages into separate agent-client module.

Extracts transport client packages into separate agent-client module.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Feature Medium

Inherits global log level for sandbox runs in CLI.

Inherits global log level for sandbox runs in CLI.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Feature Medium

Links installer commands through local bin.

Links installer commands through local bin.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Feature Medium

Unifies sandbox lifecycle APIs in SDK.

Unifies sandbox lifecycle APIs in SDK.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Feature Low

Atomically creates per-sandbox named volumes via MountBuilder::create_named.

Atomically creates per-sandbox named volumes via MountBuilder::create_named.

Source: granite4.1:30b@2026-06-10-audit

Confidence: high

 —
Feature Low

Reports guest runtime metrics.

Reports guest runtime metrics.

Source: granite4.1:30b@2026-06-10-audit

Confidence: high

 —
Feature Low

Adds idempotent named volume mounts.

Adds idempotent named volume mounts.

Source: granite4.1:30b@2026-06-10-audit

Confidence: high

 —
Bugfix Medium

Prevents idle reclamation of sandboxes with running executions.

Prevents idle reclamation of sandboxes with running executions.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Bugfix Medium

Stops CI disk cleanup from deleting the active checkout.

Stops CI disk cleanup from deleting the active checkout.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Bugfix Medium

Hardens heartbeat idle detection in runtime.

Hardens heartbeat idle detection in runtime.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Bugfix Medium

Wakes publisher after draining host channel in network layer.

Wakes publisher after draining host channel in network layer.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Bugfix Medium

Skips sandboxes whose slot stopped updating in metrics collector.

Skips sandboxes whose slot stopped updating in metrics collector.

Source: llm_adapter@2026-06-10

Confidence: high

 —
Full changelog

What's Changed

  • chore(release): update skills release gitlink by @appcypher in https://github.com/superradcompany/microsandbox/pull/924
  • chore: refresh npm lockfile after v0.5.5 by @github-actions[bot] in https://github.com/superradcompany/microsandbox/pull/926
  • feat(cli): add explicit mount kind flags by @appcypher in https://github.com/superradcompany/microsandbox/pull/927
  • feat(agent-client): extract transport client packages by @appcypher in https://github.com/superradcompany/microsandbox/pull/935
  • fix(runtime): exclude sandboxes with running execs from idle reclamation by @dijdzv in https://github.com/superradcompany/microsandbox/pull/934
  • fix(ci): stop disk cleanup from deleting the active checkout by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/943
  • fix(runtime): harden heartbeat idle detection by @appcypher in https://github.com/superradcompany/microsandbox/pull/937
  • fix(network): wake publisher after draining host channel by @chiehwangs in https://github.com/superradcompany/microsandbox/pull/930
  • fix(metrics-collector): skip sandboxes whose slot stopped updating by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/942
  • fix(cli): inherit global log level for sandbox runs by @appcypher in https://github.com/superradcompany/microsandbox/pull/947
  • feat(installer): link commands through local bin by @appcypher in https://github.com/superradcompany/microsandbox/pull/945
  • feat(sdk): unify sandbox lifecycle APIs by @appcypher in https://github.com/superradcompany/microsandbox/pull/938
  • feat(sandbox): atomically create per-sandbox named volumes via MountBuilder::create_named by @nuri-yoo in https://github.com/superradcompany/microsandbox/pull/801
  • feat(metrics): report guest runtime metrics by @appcypher in https://github.com/superradcompany/microsandbox/pull/939
  • feat(volumes): add idempotent named volume mounts by @appcypher in https://github.com/superradcompany/microsandbox/pull/950
  • docs: reposition microsandbox around untrusted workloads by @appcypher in https://github.com/superradcompany/microsandbox/pull/952
  • chore(release): bump microsandbox to 0.5.6 by @appcypher in https://github.com/superradcompany/microsandbox/pull/951

Full Changelog: https://github.com/superradcompany/microsandbox/compare/v0.5.5...v0.5.6

View diff on GitHub

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secure, local, cross-platform and programmable sandboxes for AI agents

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Beta — feedback welcome: [email protected]