docker-codexbox: Skill for Claude Code

.agents/skills/codexbox/SKILL.md

codexbox is a skill for Claude Code from psyb0t/docker-codexbox. It costs 33 tokens per session (5,262 once invoked), scanned A, original, WTFPL.

A way to run the OpenAI Codex command-line tool inside a networked container called aicodebox. It provides an interactive shell, one-off commands, file operations, prompt runs, and an OpenAI-compatible chat API.

In plain words
What is it for?
Opening a shell, executing single commands, reading or syncing workspace files, starting synchronous or asynchronous prompt runs, polling runs by ID, and connecting through the compatible chat-completions endpoint.
Why use it?
It makes Codex available through several interfaces, including remote HTTP requests and workspace file synchronization.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: installed under .agents/ (shared by several agents).

This is psyb0t/docker-codexbox's own configuration. It tells Claude Code how to work on docker-codexbox itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything docker-codexbox configures →

Part of the codexbox plugin — 1 skill shipped together

Reuse

Borrowing it

Nothing to install: this file belongs to psyb0t/docker-codexbox. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/psyb0t/docker-codexbox/main/.agents/skills/codexbox/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/psyb0t/docker-codexbox

Made for: Claude Code.

Or install codexbox, the plugin that ships this one along with the rest of its 1 skill.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for codexbox

README.md
[![agentmods](https://agentmods.dev/badge/skills/psyb0t/docker-codexbox/codexbox/github.svg)](https://agentmods.dev/skills/psyb0t/docker-codexbox/codexbox)
Your own site
<a href="https://agentmods.dev/skills/psyb0t/docker-codexbox/codexbox"><img src="https://agentmods.dev/badge/skills/psyb0t/docker-codexbox/codexbox/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for codexbox

Your own site · 80×15
<a href="https://agentmods.dev/skills/psyb0t/docker-codexbox/codexbox"><img src="https://agentmods.dev/badge/skills/psyb0t/docker-codexbox/codexbox.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,262 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 5.1 $0.00033 $0.05262
Opus 5.5 $0.00013 $0.02105
Sonnet 5.5 $0.00007 $0.01052
Haiku 4.5 $0.00003 $0.00526

Measured 7d ago against content hash 253b8f5d2838, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

codexbox scanned grade A with 1 finding 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 7d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

{ "openclaw": { "emoji": "🧑‍💻", "primaryEnv": "CODEXBOX_URL", "requires": { "bins": ["docker", "curl"] } } }
.agents/skills/codexbox/SKILL.md · 361 lines

The source is not reproduced here

Licensed WTFPL

The repository is licensed WTFPL, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 7d ago Changed · +4 lines 253b8f5d2838
  2. 1mo ago Changed · +44 lines · -170 tokens per session 510eca7497db
  3. 1mo ago First seen · 313 lines · 203 tokens per session scan A 988937d6113a

Subscribe to this mod's changes

codexbox is a skill published in the GitHub repository psyb0t/docker-codexbox (0 stars, last pushed 4d ago), licensed WTFPL. It adds 33 tokens to every session and 5,262 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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