zia-investigate-sandbox

zia-investigate-sandbox is a skill for Claude Code from zscaler/zscaler-mcp-server. It costs 105 tokens per session (2,713 once invoked), scanned A, original, MIT.

A procedure for investigating Zscaler Internet Access Sandbox results for downloaded files. A sandbox safely runs or examines suspicious files to detect harmful behavior and applies security policies to the result.

In plain words
What is it for?
Checking file-hash reports, quarantine problems, malware-policy decisions, missing alerts, scanning failures, and sandbox usage limits.
Why use it?
It helps explain why a file was blocked, allowed, or left in quarantine instead of treating the verdict as unexplained.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the zscaler plugin — 42 skills, 20 commands, 1 MCP server shipped together

Good fit Checking file-hash reports, quarantine problems, malware-policy decisions, missing alerts, scanning failures, and sandbox usage limits.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/zscaler/zscaler-mcp-server/investigate-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 zscaler/zscaler-mcp-server --skill investigate-sandbox
Clone the repo
git clone --depth 1 https://github.com/zscaler/zscaler-mcp-server

Made for: Claude Code.

Or install zscaler, the plugin that ships this one along with the rest of its 42 skills, 20 commands, 1 MCP server.

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 zia-investigate-sandbox

README.md
[![agentmods](https://agentmods.dev/badge/skills/zscaler/zscaler-mcp-server/investigate-sandbox/github.svg)](https://agentmods.dev/skills/zscaler/zscaler-mcp-server/investigate-sandbox)
Your own site
<a href="https://agentmods.dev/skills/zscaler/zscaler-mcp-server/investigate-sandbox"><img src="https://agentmods.dev/badge/skills/zscaler/zscaler-mcp-server/investigate-sandbox/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 zia-investigate-sandbox

Your own site · 80×15
<a href="https://agentmods.dev/skills/zscaler/zscaler-mcp-server/investigate-sandbox"><img src="https://agentmods.dev/badge/skills/zscaler/zscaler-mcp-server/investigate-sandbox.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 105 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,713 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 5.1 $0.00105 $0.02713
Opus 5 $0.00053 $0.01357
Sonnet 5 $0.00021 $0.00543
Haiku 4.5 $0.00011 $0.00271

Measured 12d ago against content hash a5df5567e140, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

zia-investigate-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 12d 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.

skills/zia/investigate-sandbox/SKILL.md · 313 lines

How it starts

The opening of the file, as written. The whole thing — 313 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ZIA: Investigate Sandbox

Keywords

sandbox, file blocked, quarantine, md5 hash, sandbox report, malware, atp, advanced threat protection, malware protection, file analysis, patient zero, patient 0, sandbox quota, file not scanning, quarantine stuck, sandbox verdict, behavioral analysis, unscannable file

Overview

Investigate ZIA Sandbox file analysis results and security policy enforcement issues. This skill combines API-driven sandbox inspection (reports, quota, behavioral analysis) with runbook-guided troubleshooting for Malware Protection, Advanced Threat Protection (ATP), and Sandbox policies.

Use this skill when: An administrator reports files being unexpectedly blocked or allowed, files stuck in quarantine, sandbox not analyzing files, missing Patient 0 alerts, or needs to verify a sandbox verdict for a specific file hash.


Workflow

Step 1: Gather Issue Details

Collect from the administrator:

Required:

  • Symptom: file blocked, file allowed unexpectedly, file stuck in quarantine, sandbox not analyzing
  • File MD5 hash (if available from Web Insights logs)
  • URL or domain where the file was downloaded from

Helpful:

  • Policy Action from Web Insights logs (e.g., "Sandbox Block", "Quarantined", "Allowed")
  • Threat Super Category from Web Insights logs (e.g., "Sandbox", "Virus", "Malware Protection")
  • Blocked Policy Type (e.g., "Sandbox", "Malware Protection", "Advanced Threat Protection")
  • File type and size
  • Sandbox subscription level (Basic vs Advanced)

Step 2: Determine the Security Control Involved

The Blocked Policy Type in Web Insights logs identifies which security control is responsible:

Blocked Policy Type Security Control API Tools Available?
Sandbox ZIA Sandbox Yes -- full API investigation
Malware Protection ZIA Malware Protection No API -- advisory guidance only
Advanced Threat Protection ZIA ATP No API -- advisory guidance only

Read the full file on GitHub · 313 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. 12d ago First seen · 313 lines · 105 tokens per session scan A a5df5567e140

Subscribe to this mod's changes

zia-investigate-sandbox is a skill published in the GitHub repository zscaler/zscaler-mcp-server (50 stars, last pushed 4d ago), licensed MIT. It adds 105 tokens to every session and 2,713 once invoked, about $0.0005 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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