How to Use the Cronoscan (Cronos Block Explorer) MCP in Mastra AI

Q: Can I build a workflow with Mastra AI that checks a Cronos balance and then does something else?

Absolutely. That's a core use case. Your agent can call getbalance, and if the balance is above a certain threshold, the workflow can proceed to another step, like sending a notification or calling another MCP tool.

Q: How do I set up the Cronoscan (Cronos Block Explorer) MCP server with Mastra AI?

After installing the @mastra/mcp package, you instantiate a new MCPClient and pass your Vinkius server URL in the servers configuration. Mastra AI will then automatically discover all the available Cronoscan tools.

Q: Is it possible to require human approval before my Mastra AI agent uses a Cronoscan tool?

Yes. Mastra AI supports a requireToolApproval option. This is useful for sensitive operations, like an agent proposing a transaction based on data from getsourcecode before you give the final okay.

Build resilient Cronos workflows with Mastra AI. Automate transaction monitoring, balance checks, and contract interactions with built-in retries.

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Setup Cronoscan (Cronos Block Explorer) with Mastra AI

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Automate Wallet & Tx Monitoring

The Cronoscan tools are the eyes and ears for your Mastra AI agent. Build workflows that periodically check CRO balances with `get_balance` or monitor for specific ERC20 token transfers using `get_token_tx`. You get real, on-chain data to trigger your next step. Because Mastra AI handles retries, you don't have to worry about temporary network hiccups. If a call from this MCP Server to `get_tx_receipt_status` fails, the agent will try again automatically. This makes for rock-solid monitoring bots that you can set and forget.

Chain-Aware Workflow Logic

Use on-chain data to drive decisions in your Mastra AI workflows. For example, an agent can use `get_token_balance` to check if a payment was received. If not, it can wait and check again. If it was, it can proceed to the next step, like notifying an admin. This turns your agent from a simple script into a smart operator. It can use tools like `get_eth_price` to fetch the current CRO price and decide whether to execute another action, all within a single, manageable workflow file.

Reliable Smart Contract Automation

Mastra AI agents can reliably interact with Cronos smart contracts. First, the agent can fetch a contract's interface using `get_abi`. Then, it can construct and send a transaction using `proxy_eth_call` to read data or `proxy_eth_estimate_gas` before sending a state-changing transaction. This is for building complex DeFi bots or DAO management tools. The workflow engine ensures that each step completes successfully before moving to the next, with human-in-the-loop approval available if you need a final check before sending funds.

Setup guide

Set up Cronoscan (Cronos Block Explorer) 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 Cronoscan (Cronos Block Explorer) 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: "cronoscan-cronos-block-explorer-mcp-client",
  servers: {
    "cronoscan-cronos-block-explorer-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

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

const result = await agent.generate(
  "List recent Cronoscan (Cronos Block Explorer) 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 Cronoscan. 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 Cronoscan (Cronos Block Explorer) MCP in Mastra AI

Mastra AI is built for creating robust, multi-step workflows. It uses the Cronoscan tools as triggers or data sources within these automated processes, with built-in error handling and retries that other clients don't have.

Absolutely. That's a core use case. Your agent can call `get_balance`, and if the balance is above a certain threshold, the workflow can proceed to another step, like sending a notification or calling another MCP tool.

After installing the `@mastra/mcp` package, you instantiate a new `MCPClient` and pass your Vinkius server URL in the `servers` configuration. Mastra AI will then automatically discover all the available Cronoscan tools.

Yes. Mastra AI supports a `requireToolApproval` option. This is useful for sensitive operations, like an agent proposing a transaction based on data from `get_source_code` before you give the final okay.

All requests from your agent containing data like wallet addresses or transaction hashes are processed in a zero-trust environment on Vinkius. Each tool call runs in a dedicated sandbox that is torn down immediately after use, ensuring no sensitive query data persists.

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