Playwright Accessibility Testing MCP Server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
| prompts | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| a11y_scanUrlA | Run accessibility scan on a URL or specific element using Playwright + axe-core. Supports full page or targeted section scanning with optional screenshots. Uses comprehensive WCAG 2.0, 2.1 Level A/AA and best-practice rules by default. |
| a11y_scanInteractiveByTextA | Test accessibility of components by finding them using visible text/labels instead of CSS selectors. Automatically discovers and tests interactive elements. Perfect for natural language testing like 'test the Rewards section' or 'test the user menu'. Uses comprehensive WCAG 2.0, 2.1 Level A/AA and best-practice rules by default. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
| comprehensive-a11y-test | Run a comprehensive accessibility audit with detailed analysis. Just provide URL, optional block name, and optional steps. |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
TDQS
Scored across 2 tools
The two tools have clearly distinct purposes: a11y_scanInteractiveByText focuses on testing components via visible text/labels for natural language scenarios, while a11y_scanUrl handles URL-based or element-specific scanning. There is minor potential for confusion since both perform accessibility scans, but their different input methods (text vs. URL/element) and use cases (interactive components vs. general pages) make them mostly distinguishable.
Both tools follow a consistent naming pattern with the prefix 'a11y_scan' followed by descriptive suffixes (InteractiveByText and Url). They use snake_case uniformly, and the names clearly indicate their distinct functionalities, making them predictable and easy to understand.
With only two tools, the server feels thin for an accessibility testing domain, which might involve more operations like generating reports, filtering results, or testing specific WCAG criteria. However, the tools cover core scanning functionalities, so it's borderline but not severely lacking.
The server provides basic scanning capabilities for URLs and interactive components, but there are notable gaps. Missing operations include result analysis tools (e.g., summarize findings, export reports), configuration options (e.g., custom rule sets), and follow-up actions (e.g., retest after fixes). This limits agents to scanning without deeper workflow support.