How to Use the Twilio SendGrid MCP in Mastra AI

Q: Can Mastra AI list global unsubscribes from Twilio SendGrid?

Yes. You can explicitly call listglobalunsubscribes to get a complete record of all opt-out statuses, allowing the workflow to halt or divert if an unsubscribe is found.

Q: How does the MCP Server ensure I use a verified sender identity with Twilio SendGrid?

The listverifiedsenders tool provides a list of approved senders. The workflow engine ensures that when running dispatchemail, the 'fromemail' field uses one of these verified identities.

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Connect Twilio SendGrid MCP to Mastra AI

Create your Vinkius account to connect Twilio SendGrid 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 Twilio SendGrid with Mastra AI

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Orchestrate Multi-Step Email Campaigns

The `dispatch_email` tool sends emails via SendGrid's SMTP relay and requires a verified sender in the 'from_email' field. Mastra AI handles complex logic; for instance, if the initial send fails, it can automatically retry with different credentials or methods.

Monitor Delivery Failures and Statistics

Need to know why emails failed? Use `get_delivery_stats` by providing a date in YYYY-MM-DD format. The MCP Server also lets you run `list_blocked_emails`, which shows temporary server rejections, separate from permanent bounces.

Verify and Clean Marketing Data

Before running any campaign, the agent can verify data using `search_contact_by_email`. It also runs list hygiene checks by calling `list_global_unsubscribes` or `list_bounces`, ensuring your workflow only targets active leads.

Setup guide

Set up Twilio SendGrid 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 Twilio SendGrid 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: "twilio-sendgrid-mcp-client",
  servers: {
    "twilio-sendgrid-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

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

const result = await agent.generate(
  "List recent Twilio SendGrid 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 Twilio SendGrid. 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 Twilio SendGrid MCP in Mastra AI

Mastra AI's built-in workflow engine supports automatic retries with exponential backoff. If `dispatch_email` fails due to a temporary network error, the workflow will wait and try again using the defined retry logic.

The system processes contact profile metadata. When calling `search_contact_by_email`, the agent handles email addresses, custom field values, and segment memberships.

Yes. You can explicitly call `list_global_unsubscribes` to get a complete record of all opt-out statuses, allowing the workflow to halt or divert if an unsubscribe is found.

This MCP Server touches email addresses and campaign metrics. Specifically, you are dealing with delivery statistics, suppression lists (`delete_bounce`), and verified sender identities.

The `list_verified_senders` tool provides a list of approved senders. The workflow engine ensures that when running `dispatch_email`, the 'from_email' field uses one of these verified identities.

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