How to Use the Blockscout MCP in Mastra AI

Q: How do I add the Blockscout server to my Mastra AI workflows?

Initialize the client using the @mastra/mcp package and pass your Vinkius HTTP URL. You can then register the tools directly inside your agent's tool configuration array.

Q: Can I inspect block details dynamically?

Use the getblock tool to retrieve block height, timestamps, and transaction counts. Your agent can use this data to calculate average block times or monitor network activity.

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Connect Blockscout MCP to Mastra AI

Create your Vinkius account to connect Blockscout 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 Blockscout with Mastra AI

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Automate smart contract auditing pipelines

The `get_contract_source_code` tool retrieves verified Solidity code for any contract address. Mastra AI agents use this raw code to run automated security audits, feeding the output directly into your deployment pipelines.

Monitor wallet balances with built-in retries

The `get_account_balance` tool checks the native coin balance of any on-chain address. Mastra AI tracks these balances across multiple networks, automatically retrying the request if the underlying RPC node experiences temporary downtime.

Execute low-level RPC calls using the Blockscout MCP Server

The `json_rpc` tool executes standard Ethereum JSON-RPC 2.0 methods directly from your workflows. Having this inside an MCP Server workflow allows you to trigger complex backend actions whenever a specific smart contract event fires.

Setup guide

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

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

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

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Common questions about Blockscout MCP in Mastra AI

Initialize the client using the `@mastra/mcp` package and pass your Vinkius HTTP URL. You can then register the tools directly inside your agent's tool configuration array.

Yes, you can configure Mastra to require manual approval before executing tools like json_rpc. This prevents your agent from running raw write operations without a developer signing off first.

The framework uses built-in exponential backoff to retry failed queries to tools like get_transaction. If the network is congested, your workflow waits and retries instead of crashing.

Use the get_block tool to retrieve block height, timestamps, and transaction counts. Your agent can use this data to calculate average block times or monitor network activity.

Every request to this MCP Server runs inside an ephemeral, zero-trust V8 sandbox. Your Ethereum addresses, transaction hashes, and smart contract ABIs are processed on the fly and never cached on disk.

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