aicage

Run your favorite AI coding agents comfortably in Docker.

Why use aicage?

Agents need deep access (read code, run shells, install deps). Their built-in safety checks are naturally limited.

Running agents in containers gives a hard boundary - while the experience stays the same. See Why cage agents? for the full rationale.

Quick start

Install:

pipx install aicage

In your project directory, run:

aicage <agent>

For a first useful run, you can usually just press Enter or select OK when prompted.

  • Built-in agent examples:

    aicage agy
aicage claude
aicage codex
aicage copilot
aicage crush
aicage droid
aicage gemini
aicage goose
aicage opencode
aicage qwen

Your existing CLI config for each agent is mounted inside the container so you can keep using your preferences and credentials.

What you see first

After aicage <agent> starts, you will see this setup overview:

Overview screen

The overview brings the most common choices together in one place:

  • Agent: the built-in or custom agent you want to run.
  • Bind Mounts: extra host files and directories the container should be able to access.
  • Base: the base image used for the agent image. The suggested default is best for most users.
  • Extensions: optional local additions that install tools or request extra host shares.
  • Docker Args: extra docker run arguments such as -e, -p, or --network.
  • Docker socket: lets the agent use Docker on the host when you explicitly enable it.
  • OK: saves the current project config for that agent and starts the container.

Common next steps

Bind mounts

Use Bind Mounts when the agent needs access to files or directories outside the project.

Docker args

If you want to adjust how the container starts, open Docker Args in the setup screen.

Docker args

Use it for normal docker run arguments such as:

-e FOO=bar
-p 3000:3000
--network my-net

See Docker run pass-through args.

Extensions

Extensions let you add tools on top of an existing agent image. Quick start:

Extensions

git clone https://github.com/aicage/aicage-custom-samples.git $HOME/.aicage-custom

Then rerun aicage <agent> and select the extension in the setup screen. See Extensions.

Docker socket access

If you want the agent to run Docker commands, enable Docker socket in the setup screen.

Full documentation

The complete user documentation lives in the wiki: aicage.wiki

Common scenarios

  • Pass arguments to the agent:
    • aicage <agent> resume <session-id>
  • Share additional host folders:
    • Use Shares or extension-provided shares in the setup UI.
  • Use proxies:
    • aicage forwards HTTP_PROXY, HTTPS_PROXY, ALL_PROXY, and NO_PROXY.
    • See CLI options.
  • Use host networking or custom networks:
  • On Windows:
    • set git config --global core.autocrlf true on the Windows host to avoid line-ending diffs.
  • On macOS with native Docker:
  • Run into first-use setup issues:
  • Add custom tools/agents/base images:

Built-in agents

CLI Agent Homepage
agy Antigravity CLI https://antigravity.google/docs/cli-overview
claude Claude Code https://claude.com/product/claude-code
codex Codex CLI https://developers.openai.com/codex/cli
copilot GitHub Copilot CLI https://github.com/features/copilot/cli
crush Crush https://github.com/charmbracelet/crush
droid Factory CLI https://factory.ai/product/cli
gemini Gemini CLI https://geminicli.com
goose Goose CLI https://goose-docs.ai
opencode OpenCode https://opencode.ai
qwen Qwen Code https://qwenlm.github.io/qwen-code-docs

Customization

aicage lets you customize images at three levels: extensions, agents, and base images. The sample repo is a fast way to see working examples and copy a template.

Quick start:

git clone https://github.com/aicage/aicage-custom-samples.git $HOME/.aicage-custom

Then run any agent:

aicage <agent>

These are only samples. Use them to learn the structure, then replace or edit them with your own definitions. aicage detects whatever you place under ~/.aicage-custom and offers it during selection. Extensions can install tools and request additional host mounts.

After adding or changing custom definitions, restart aicage.

Image updates are handled automatically; see Updates.

aicage options

  • --dry-run prints the composed docker run command without executing it.
  • --share <path> mounts a host path into the container at the same path. Repeatable; add :ro for read-only.
  • Extensions can also request grouped host mounts during setup.

Configuration file formats are documented in CONFIG.md. Extension authoring is documented in doc/extensions.md.

Why cage agents?

AI coding agents read your code, run shells, install packages, and edit files. That power is useful, but granting it directly on the host expands your risk surface.

Where built-in safety is limited:

  • Allow/deny lists only cover known patterns; unexpected commands or attack paths can slip through.
  • Some agents work fully only after relaxing their own safety modes, broadening what they can touch.
  • “Read-only project” features are software rules. Other projects and files still sit alongside them on the same host.

How aicage mitigates this:

  • Containers create a practical boundary: the agent can access only what you explicitly mount or share. Day-to-day use stays familiar while files you do not mount stay out of reach.

Key dates

PyPI data
Data sourced directly from PyPI's database.
  • Released:
Newer release available (1.4.19)

1 maintainer

PyPI data
Data sourced directly from PyPI's database.
Avatar for Wuodan from gravatar.com Wuodan

Credits

Author: Stefan Kuhn

License

Apache License

Requires

Python >=3.10

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