docker

A tool for running and managing Docker containers, which package an application with its software dependencies. It also manages the container images, storage volumes, and multi-container setups used by an application.

In plain words
What is it for?
Use it to run or build containers, view logs, inspect images and containers, manage stored data, or start and stop Docker Compose application stacks.
Why use it?
It provides commands for starting, stopping, inspecting, and troubleshooting local application environments. This avoids setting up each dependency directly on the computer.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/atomicbot-ai/atomic-agent/docker
Any agent
npx skills add AtomicBot-ai/atomic-agent --skill docker
Clone the repo
git clone --depth 1 https://github.com/AtomicBot-ai/atomic-agent

Made for: Claude Code, Codex.

Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,131 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00044 $0.02131
Opus 5 $0.00022 $0.01066
Sonnet 5 $0.00009 $0.00426
Haiku 4.5 $0.00004 $0.00213

Measured 2d ago against content hash 1b0dd260fece, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

docker scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

starter-skills/docker/SKILL.md · 198 lines

How it starts

The opening of the file, as written. The whole thing — 198 lines — stays where its author put it; the contents beside it link to each section on GitHub.

docker

Drive local containers with the docker CLI. Reads (ps, images, logs, inspect) are safe to run directly; writes (run, build, stop, rm, rmi, prune, compose down) mutate state and surface the runtime approval gate — confirm intent with the user first.

Setup health check (run first, every session)

Verify with one solo step:

[{ "tool": "os.shell.run", "args": { "cmd": "docker", "args": ["version", "--format", "{{.Server.Version}}"] } }]

Outcome map:

  • exit 0 + version → daemon reachable, proceed.
  • command not found: docker → enter Setup playbook → "docker missing".
  • Cannot connect to the Docker daemon → enter Setup playbook → "daemon not running".

Setup playbook (when prerequisites are missing)

OFFER help; do not dump docs on the user.

docker missing

Reply (solo reply step):

"Docker is not installed. On macOS, install Docker Desktop (https://docker.com/products/docker-desktop) or run brew install --cask docker, then launch the app. Tell me when it is running and I will re-check."

Do NOT attempt to install Docker Desktop silently — it needs a GUI launch and privileged setup.

daemon not running

"Docker is installed, but the daemon is not running. Open Docker Desktop (or run systemctl start docker on Linux), then tell me when it is up."

Do not try to start the daemon via os.shell.run on macOS — it requires the Desktop app.

When to use

  • "List running containers / images", "show logs for ".
  • "Run / build / stop / remove a container", "bring a compose stack up/down".
  • Inspecting container config, ports, networks, volumes.

When NOT to use

  • Pushing to a registry or production deploys — confirm explicitly; high risk.
  • Editing Dockerfiles — use os.fs.* tools, then docker build.
  • Orchestration beyond Compose (Kubernetes) — out of scope; use a kubectl skill.

Common operations

All examples invoke os.shell.run with cmd: "docker". Reads are listed first.

Read the full file on GitHub · 198 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 198 lines · 44 tokens per session scan A 1b0dd260fece

Subscribe to this mod's changes

docker is a skill published in the GitHub repository AtomicBot-ai/atomic-agent (2,425 stars, last pushed 4d ago), licensed MIT. It adds 44 tokens to every session and 2,131 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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