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Devin for Terminal is Cognition’s coding agent for working directly from a terminal. You can install it in an E2B sandbox and use the sandbox as an isolated workspace for agent tasks.

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Installation

Use a PTY for install and login because Devin’s setup is interactive. You can create a Devin account during sign up if you don’t have one. 
e2b sandbox create base

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# Inside the sandbox
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curl -fsSL https://cli.devin.ai/install.sh | bash

source /home/user/.bashrc

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Usage

After installation and login, use devin -p for non-interactive mode and --permission-mode dangerous to auto-approve tool calls.
Auto-approving tool calls is contained by the sandbox: the agent cannot touch your host machine, local files, or credentials. It can still make outbound network requests — internet access is enabled by default. To limit where an auto-approved agent can connect, configure outbound network rules (allowInternetAccess, plus allow/deny lists by CIDR or hostname). Hostname rules apply to HTTP(S) traffic only; use CIDR rules for other protocols.
mkdir -p /home/user/project
cd /home/user/project

devin --permission-mode dangerous -p "Create a hello world HTTP server in Go"

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Example: work on a cloned repository

After installing Devin for Terminal and signing in, clone a repository and run Devin from the project directory. 
git clone https://github.com/your-org/your-repo.git /home/user/repo
cd /home/user/repo

devin --permission-mode dangerous -p "Add error handling to all API endpoints"
Devin can edit files, run commands, and work on code inside the sandbox without accessing your local machine.