Tiny agentic loop with Docker sandbox

v1.7.5 Feature

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

Published 21d AI Agents & Assistants

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

agentic-ai agentic-coding ai autonomous-agent cli codegolf

+6 more

coding-agent developer-tools harness llm repl sandbox

ReleasePort's take

Light signal

editorial:auto 13d

Sandbox mode now executes mi inside a Docker container, mounting the current directory read-write and providing Node 22, Python 3.12, uv, and Unix tools for safe local experimentation.

Why it matters: Test sandbox workflows in dev before using; it runs with host‑network access and mounts PWD read‑write.

Summary

AI summary

Sandbox mode runs mi inside a Docker container mounting PWD read-write.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Medium	Sandbox mode runs mi inside Docker container for safe experimentation Sandbox mode runs mi inside Docker container for safe experimentation Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Sandbox mounts current directory read-write and config read-only Sandbox mounts current directory read-write and config read-only Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Sandbox uses host network mode for local API access Sandbox uses host network mode for local API access Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Sandbox image includes Node 22, Python 3.12, uv, Unix tools Sandbox image includes Node 22, Python 3.12, uv, Unix tools Source: llm_adapter@2026-05-21 Confidence: high	—

Full changelog

Sandbox mode — run mi inside a Docker container for safe experimentation.

mi --sandbox -p 'do something risky'
MI_SANDBOX=1 mi    # always containerized

Mounts PWD read-write and ~/.mi/config.json read-only. Uses --network=host for local API access. 330MB hardened Alpine image with Node 22, Python 3.12, uv, and standard Unix toolkit.

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Earlier breaking changes

v1.8.0 Goal tool's `check` parameter now a judge prompt, not bash command.