# Visual Testing

> Drives the MetaMask Chrome extension via the mm CLI for visual testing in headedless Chrome. Use when asked to visually verify UI changes, capture screenshots or debug extension UI state. Trigger phrases include "verify visually", "take a screenshot", "test the flow", and "check the UI".

- **Type:** Skill
- **Install:** `agentstack add skill-metamask-skills-visual-testing`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [MetaMask](https://agentstack.voostack.com/s/metamask)
- **Installs:** 0
- **Category:** [Agent Skills](https://agentstack.voostack.com/c/agent-skills)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [MetaMask](https://github.com/MetaMask)
- **Source:** https://github.com/MetaMask/skills/tree/main/domains/testing/skills/visual-testing

## Install

```sh
agentstack add skill-metamask-skills-visual-testing
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

Drives the MetaMask Chrome extension via the mm CLI for visual testing in headedless Chrome. Use when asked to visually verify UI changes, capture screenshots or debug extension UI state. Trigger phrases include "verify visually", "take a screenshot", "test the flow", and "check the UI".

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [MetaMask](https://github.com/MetaMask)
- **Source:** [MetaMask/skills](https://github.com/MetaMask/skills)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-metamask-skills-visual-testing
- Seller: https://agentstack.voostack.com/s/metamask
- Browse the marketplace: https://agentstack.voostack.com/browse

---
Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.