Vpn Egress Testing
General-purpose outside-the-network browser for testing ANY url -- your own, someone else's, one you were asked to check -- from a genuine external vantage point, using the Mullvad-tunneled browser stack in projects/vpn-egress. Use whenever asked to check if a site/URL is reachable, verify a domain is up, or test something 'from outside the network' -- and NEVER trust a direct request from the local shell or WebFetch for this (both give false negatives on this network). Sweeping every domain you own is ONE use case this supports, not the default mode -- see the branch below. For many URLs across parallel subagents, use vpn-egress-orchestrator; for a stack that won't start, vpn-egress-setup.
Security AStatic scan found no risk patternsHow grading works ›
From the source SKILL.md
A Mullvad-tunneled headless browser in projects/vpn-egress/ that answers "is this reachable from outside" for any URL. If the user hands you a URL — theirs, someone else's, anything — just test that URL.
What this skill does
Vpn Egress Testing is a community-contributed Claude Code skill in the testing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/vpn-egress-testing/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use whenever asked to check if a site/URL is reachable, verify a domain is up, or test something 'from outside the network' -- and NEVER trust a direct request from the local shell or WebFetch for this (both give false negatives on this network). Sweeping every domain you own is ONE use case this supports, not the default mode -- see the branch below.
Who uses this skill
The Vpn Egress Testing Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 168,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
How to install
Free
Manual install (2 steps)
mkdir -p ~/.claude/skills/vpn-egress-testing
curl -L https://claudskills.com/skills/vpn-egress-testing/SKILL.md \
-o ~/.claude/skills/vpn-egress-testing/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/vpn-egress-testing/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/vpn-egress-testing/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\vpn-egress-testing\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Telegram
📱 Install from your phone or desktop Telegram
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
Pro
One-click install via the desktop app
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
Pro
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Frequently asked questions
How do I install the Vpn Egress Testing Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy
SKILL.md from the source repository to
~/.claude/skills/vpn-egress-testing/SKILL.md and restart Claude Code. Both flows are detailed at
claudskills.com/install/.
What does the Vpn Egress Testing skill do?
General-purpose outside-the-network browser for testing ANY url -- your own, someone else's, one you were asked to check -- from a genuine external vantage point, using the Mullvad-tunneled browser stack in projects/vpn-egress. Use whenever asked to check if a site/URL is reachable, verify a domain is up, or test something 'from outside the network' -- and NEVER trust a direct request from the local shell or WebFetch for this (both give false negatives on this network). Sweeping every domain you own is ONE use case this supports, not the default mode -- see the branch below. For many URLs across parallel subagents, use vpn-egress-orchestrator; for a stack that won't start, vpn-egress-setup.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Vpn Egress Testing skill?
Use Vpn Egress Testing when your Claude Code task falls under the Engineering category — specifically in the testing area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Vpn Egress Testing" or describe the task and let Claude pick). Browse related skills at
/category/engineering/.
What is a Claude Code skill and how does the Vpn Egress Testing skill fit in?
A Claude Code skill is a
SKILL.md file that lives under
~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Vpn Egress Testing is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at
/learn/what-is-a-claude-skill/.
Attribution & license
Cite this skill
If you reference this skill in a blog post, paper, or documentation, you can cite it as:
APA
THEROCKSSS. (2026). Vpn Egress Testing [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/vpn-egress-testing/
BibTeX
@misc{vpn-egress-testing-2026,
author = {THEROCKSSS},
title = {Vpn Egress Testing [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/vpn-egress-testing/}
}Embed this skill
Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →
Badge
[](https://claudskills.com/skills/vpn-egress-testing/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)
<script>
<script src="https://claudskills.com/embed/vpn-egress-testing.js" async></script>
<iframe>
<iframe src="https://claudskills.com/embed/vpn-egress-testing.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Vpn Egress Testing"></iframe>
Security scan
Grade A · scanned 2026-07-31 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
- ✓ Prompt injection
- ✓ Data exfiltration
- ✓ Supply chain
- ✓ Reverse shell
- ✓ Credentials
- ✓ Execution
- ✓ Filesystem
- ✓ Persistence
- ✓ Obfuscation
- ✓ Network
Show this grade on your repo (click to copy):
[](https://claudskills.com/skills/vpn-egress-testing/#security)
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