agent-sandbox

agent-sandbox is a skill for Claude Code from POWERFULMOVES/PMOVES.AI. It costs 81 tokens per session (296 once invoked), scanned A, original, no licence file.

A tool for creating temporary, isolated computer environments for agents and running work inside them. It also captures the results and removes the environment afterward.

In plain words
What is it for?
It helps run untrusted code, test newly created agents, and check combinations of agent skills safely.
Why use it?
It keeps untrusted code and experiments away from the main computer and makes cleanup explicit.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Good fit It helps run untrusted code, test newly created agents, and check combinations of agent skills safely.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/powerfulmoves/pmoves.ai/agent-sandbox
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.

Any agent
npx skills add POWERFULMOVES/PMOVES.AI --skill agent-sandbox
Clone the repo
git clone --depth 1 https://github.com/POWERFULMOVES/PMOVES.AI

Made for: Claude Code.

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 agent-sandbox

README.md
[![agentmods](https://agentmods.dev/badge/skills/powerfulmoves/pmoves.ai/agent-sandbox.svg)](https://agentmods.dev/skills/powerfulmoves/pmoves.ai/agent-sandbox)
Your own site
<a href="https://agentmods.dev/skills/powerfulmoves/pmoves.ai/agent-sandbox"><img src="https://agentmods.dev/badge/skills/powerfulmoves/pmoves.ai/agent-sandbox.svg" alt="Measured on agentmods" height="20"></a>
Per session 81 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 296 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00081 $0.00296
Opus 5 $0.00041 $0.00148
Sonnet 5 $0.00016 $0.00059
Haiku 4.5 $0.00008 $0.00030

Measured 2d ago against content hash 8296459b2459, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

agent-sandbox 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.

.claude/skills/agent-sandbox/SKILL.md · 25 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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 · 25 lines · 81 tokens per session scan A 8296459b2459

Subscribe to this mod's changes

agent-sandbox is a skill published in the GitHub repository POWERFULMOVES/PMOVES.AI (7 stars, last pushed today), with no licence file. It adds 81 tokens to every session and 296 once invoked, about $0.0004 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 2026-09-04.

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