How to Use the WCAG.com Accessibility MCP in Mastra AI

Q: How does WCAG.com Accessibility fit into a Mastra AI workflow?

You embed the tool call within your workflow engine. If auditurlaccessibility fails, you can set up a custom failure path—say, sending an alert to Slack instead of failing completely.

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Connect WCAG.com Accessibility MCP to Mastra AI

Create your Vinkius account to connect WCAG.com Accessibility to Mastra AI and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup WCAG.com Accessibility with Mastra AI

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Perplexity

Running Audits in Complex Workflows

You can execute the `audit_url_accessibility` tool as a core step in your multi-stage workflow. If the initial audit fails, Mastra AI handles it—it doesn't just stop. It lets you define retries or notifications for manual review.

Pre-Check Service Operation Status

Before kicking off a huge compliance process, use `check_api_status` to confirm the WCAG service is up. This prevents your whole workflow from failing because of a simple external outage. It's critical for robust automation.

Managing Tool Dependencies

If your process depends on specific guidelines, run `list_accessibility_rules` first. This gives you the full list of rules upfront so you can build conditional logic around them. You'll know exactly what to expect.

Setup guide

Set up WCAG.com Accessibility MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All WCAG.com Accessibility tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "wcagcom-accessibility-mcp-client",
  servers: {
    "wcagcom-accessibility-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "WCAG.com Accessibility Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to WCAG.com Accessibility tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent WCAG.com Accessibility transactions"
);
console.log(result.text);

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by WCAG.com. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about WCAG.com Accessibility MCP in Mastra AI

You embed the tool call within your workflow engine. If `audit_url_accessibility` fails, you can set up a custom failure path—say, sending an alert to Slack instead of failing completely.

Yes. Its ability to handle automatic retries with exponential backoff is perfect for external API calls like those from the WCAG server.

The service only interacts with URLs provided in the workflow step. This means the data type processed is strictly limited to web addresses.

You can run the audit as part of a larger, automated quality gate. The workflow ensures that every deployed URL gets checked before going live.

Yes. When running audits, this server only processes the URLs you pass into the workflow. It does not require access to any other sensitive client data.

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