Server Information
The Playwright MCP Server provides browser automation capabilities to LLMs, allowing them to navigate websites, interact with web content, and extract information from web pages.
Tools Provided
This MCP server provides the following tools that can be used by AI assistants:
goto
Navigate to a specified URL in the browser.
Parameters:
| Name | Description |
|---|---|
| url | The URL to navigate to |
| wait_until | When to consider navigation succeeded: domcontentloaded, load, networkidle |
screenshot
Take a screenshot of the current page.
Parameters:
| Name | Description |
|---|---|
| path | The file path to save the screenshot to |
| full_page | Whether to take a screenshot of the full scrollable page |
fill
Fill an input field with the specified value.
Parameters:
| Name | Description |
|---|---|
| selector | The CSS selector for the input element |
| value | The text to fill into the input |
Security Assessment
Vulnerability Scan Results
1. Server Implementation Vulnerabilities
Injection Vulnerabilities: SECURE
Input Handling: SECURE
Direct Object References: SECURE
2. Tool Definition & Lifecycle
Tool Poisoning: SECURE
Definition Manipulation: INFO
The server lacks a formal versioning mechanism for tools.
Recommendation: Implement tool versioning with change log.
Cross-Server Tool Shadowing: SECURE
3. Interaction & Data Flow
Indirect Prompt Injection: INFO
Content retrieved from websites could contain prompt injections.
Recommendation: Implement content filtering/sanitization.
Data Exfiltration: SECURE
Confused Deputy Attack: SECURE
4. Configuration & Environment
Authentication & Authorization: SECURE
Permissions Model: SECURE
Observability & Auditing: SECURE
Network Exposure: SECURE
Supply Chain Risks: SECURE
Summary & Recommendations
The Playwright MCP Server demonstrates excellent security practices with no critical vulnerabilities detected. It properly handles user input, implements secure authentication, and follows the principle of least privilege.
Action Items
- Implement formal tool versioning with change log
- Add content filtering for web content to mitigate indirect prompt injection
- Consider adding rate limiting for enhanced abuse prevention
Recommendation: Schedule follow-up scan quarterly or after major updates.