How to Use the Builder MCP in Mastra AI

Automate your CMS lifecycle with the Builder MCP Server and Mastra AI workflows.

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Works with every AI agent you already use

…and any MCP-compatible client

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Connect Builder MCP to Mastra AI

Create your Vinkius account to connect Builder 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 Builder with Mastra AI

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Conditional CMS workflows in Mastra AI

Build agentic pipelines that react to CMS state changes. Use `count_model_entities` to trigger logic only when your content counts hit specific thresholds. Your Mastra agent decides when to `wipe_visual_block` or create new entries based on your business rules. It handles the logic without you writing custom API wrappers.

Automated model discovery for Mastra AI

Let your agents map your space by calling `list_builder_models`. This lets the agent understand your entire CMS architecture before it takes action. Your workflows become adaptive. If you add a new model, the agent finds it via `search_active_models` and updates its internal logic automatically.

Safe content operations

Enable human-in-the-loop approvals for any destructive tool like `wipe_visual_block`. Your Mastra agent pauses until you confirm the action. You maintain total control over your CMS content. The agent proposes the change, and you review it within the framework before execution.

Setup guide

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

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

const result = await agent.generate(
  "List recent Builder 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 Builder. 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.

Why Choose Vinkius

Vinkius connects your tools to AI with real-time monitoring and automatic cost savings — all from one dashboard.

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Real-time monitoring

Live

visibility into every interaction

Connect your favorite tools to your AI and see exactly what's happening — every request, every response, in real time.

Built-in savings

60%

lower AI costs

Vinkius compresses data between your apps and your AI automatically. Lower bills every month — no configuration required.

Single dashboard

One

place for every integration

Every tool your AI connects to, managed from a single screen. One account, complete control.

Common questions about Builder MCP in Mastra AI

Yes, simply import the MCP client and add the tools to your Mastra agent definition. The framework handles the rest.

Define a workflow step that invokes the Builder tools. You can chain multiple actions like listing models and updating blocks in one go.

The server pulls your existing schema live. Your agent will see your models exactly as they appear in your account.

All data flows through an encrypted tunnel. Vinkius ensures your CMS credentials are never exposed to the agent framework.

Yes. Since Mastra handles retries, failed network calls to the CMS are automatically re-attempted based on your policy.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

OpenAI Agents SDK sdk-python

Google ADK sdk-python

Pydantic AI sdk-python

Vercel AI SDK sdk-typescript

Mastra AI sdk-typescript

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