# From a Raw Shell to a Sandboxed Coding Agent

DevFeed: [From a Raw Shell to a Sandboxed Coding Agent](<https://devfeed.tech/articles/from-a-raw-shell-to-a-sandboxed-coding-agent-18302.md>)

Original publisher: [Read original article](<https://www.decodingai.com/p/run-coding-agents-safely>)

Author: Paul Iusztin

Published: 2026-08-18T11:02:59Z

Content type: tutorial

Language: en

Sources: [Decoding ML](<https://devfeed.tech/sources/decoding-ml.md>)

Topics: [AI-assisted coding](<https://devfeed.tech/topics/ai-assisted-coding.md>), [LangChain](<https://devfeed.tech/topics/langchain.md>), [Claude Code](<https://devfeed.tech/topics/claude-code.md>), [Docker](<https://devfeed.tech/topics/docker.md>), [computer-use](<https://devfeed.tech/topics/computer-use.md>), [codex](<https://devfeed.tech/topics/codex.md>), [Python](<https://devfeed.tech/topics/python.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>)

Tags: [agents](<https://devfeed.tech/tags/agents.md>), [ai](<https://devfeed.tech/tags/ai.md>), [ai-evals](<https://devfeed.tech/tags/ai-evals.md>), [anthropic](<https://devfeed.tech/tags/anthropic.md>), [claude](<https://devfeed.tech/tags/claude.md>), [claude-code](<https://devfeed.tech/tags/claude-code.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [codex](<https://devfeed.tech/tags/codex.md>), [coding](<https://devfeed.tech/tags/coding.md>), [coding-agents](<https://devfeed.tech/tags/coding-agents.md>), [computer-use](<https://devfeed.tech/tags/computer-use.md>), [docker](<https://devfeed.tech/tags/docker.md>), [guide](<https://devfeed.tech/tags/guide.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [python](<https://devfeed.tech/tags/python.md>), [terminal](<https://devfeed.tech/tags/terminal.md>)

## AI overview

A tutorial on isolating coding-agent tools inside local Docker or remote Modal sandboxes. It explains how to build a Python harness that safely executes commands and supports remote, parallel agent workflows.

## Source excerpt

The guide to isolating your harness and safely executing its commands, locally or remotely.