zia-check-user-url-access

zia-check-user-url-access is a skill for Claude Code from zscaler/zscaler-mcp-server. It costs 95 tokens per session (2,234 once invoked), scanned A, original, MIT.

A Zscaler Internet Access procedure for deciding whether a particular user or group can open a specific web address. Zscaler Internet Access is a cloud service that applies an organization’s web and security rules.

In plain words
What is it for?
Use it to investigate blocked websites, check URL categories, and evaluate web filtering, encrypted-traffic inspection, data-loss prevention, and firewall rules for a user.
Why use it?
It explains whether access is allowed and identifies the rule or security check that blocks or affects it.

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 Use it to investigate blocked websites, check URL categories, and evaluate web filtering, encrypted-traffic inspection, data-loss prevention, and firewall rules for a user.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/zscaler/zscaler-mcp-server/check-user-url-access
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 check-user-url-access
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-check-user-url-access

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/zscaler/zscaler-mcp-server/check-user-url-access"><img src="https://agentmods.dev/badge/skills/zscaler/zscaler-mcp-server/check-user-url-access.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 95 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,234 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 $0.00095 $0.02234
Opus 5 $0.00048 $0.01117
Sonnet 5 $0.00019 $0.00447
Haiku 4.5 $0.00010 $0.00223

Measured 11d ago against content hash 7f6c90a1a2b7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

zia-check-user-url-access 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 11d 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/check-user-url-access/SKILL.md · 310 lines

How it starts

The opening of the file, as written. The whole thing — 310 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ZIA: Check User URL Access

Keywords

can user access, is url blocked, why blocked, url access check, user access, policy evaluation, url allowed, access denied, troubleshoot access, blocked site, user policy

Overview

Determine whether a specific user (or group/department) can access a given URL by evaluating all applicable ZIA policies in priority order. This skill simulates the policy evaluation engine by checking URL category classification, then walking through URL filtering, SSL inspection, DLP, and firewall rules to produce a definitive access verdict with full reasoning.

Use this skill when: An administrator asks whether a user can access a specific URL, why a URL is being blocked, or needs to understand which policy rules affect access for a specific user.


Workflow

Follow this 6-step process to evaluate user URL access.

Step 1: Identify the User and URL

Collect from the administrator:

  • URL to check (e.g., "chat.openai.com", "github.com")
  • User identifier -- username, email, group name, or department

Look up the user:

get_zia_users(search="<username_or_email>")
```text

Note the user's:

- User ID
- Department (ID and name)
- Groups (IDs and names)

If the admin specified a group or department instead:

```text
get_zia_user_groups(search="<group_name>")
get_zia_user_departments(search="<department_name>")
```text

---

### Step 2: Classify the URL

```text
zia_url_lookup(urls=["<url>"])
```text

This returns:

- `urlClassifications` -- the category(ies) the URL belongs to
- `urlClassificationsWithSecurityAlert` -- whether there are security alerts

Note all categories returned. A URL can belong to multiple categories.

#### Example

```text
URL: chat.openai.com
Categories: AI/ML Applications, Technology
Security Alert: None
```text

---

### Step 3: Evaluate URL Filtering Rules

```text
zia_list_url_filtering_rules()
```text

Walk through rules in **order** (lowest order number = highest priority). For each rule, check if it matches:

Read the full file on GitHub · 310 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. 11d ago First seen · 310 lines · 95 tokens per session scan A 7f6c90a1a2b7

Subscribe to this mod's changes

zia-check-user-url-access is a skill published in the GitHub repository zscaler/zscaler-mcp-server (50 stars, last pushed 3d ago), licensed MIT. It adds 95 tokens to every session and 2,234 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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