How to Use the Nearblocks (Near Blockchain Explorer API) MCP in Mastra AI

Build reliable blockchain automation workflows in Mastra AI with the Nearblocks MCP Server.

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Connect Nearblocks (Near Blockchain Explorer API) MCP to Mastra AI

Create your Vinkius account to connect Nearblocks (Near Blockchain Explorer API) 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 Nearblocks (Near Blockchain Explorer API) with Mastra AI

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Claude

Perplexity

Automated transaction verification

Use `get_transaction_details` within your Mastra AI workflows to confirm on-chain outcomes. If a transaction status returns as failed, your agent can trigger an automatic retry or notify an admin. This setup allows for complex conditional logic based on actual chain state. You avoid building custom polling loops by letting the workflow engine handle the logic.

Multi-step account monitoring

Chain multiple operations like `get_account_details` and `get_recent_transactions` to build audit trails. Your agents track account activity and branch based on the data retrieved from the Nearblocks MCP Server. This makes it simple to handle error states. If an account shows unexpected activity, your workflow can divert to a security-focused path automatically.

Token contract analysis

Fetch metadata for specific tokens using `get_token_details`. Your agents use this to validate contract parameters before executing further steps in your deployment pipeline. By integrating this tool, your agents gain awareness of contract details without manual input. It keeps your automation logic clean and focused on the task at hand.

Setup guide

Set up Nearblocks (Near Blockchain Explorer API) 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 Nearblocks (Near Blockchain Explorer API) 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: "nearblocks-near-blockchain-explorer-api-mcp-client",
  servers: {
    "nearblocks-near-blockchain-explorer-api-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

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

const result = await agent.generate(
  "List recent Nearblocks (Near Blockchain Explorer API) transactions"
);
console.log(result.text);

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Common questions about Nearblocks (Near Blockchain Explorer API) MCP in Mastra AI

You add the server to your MCP client configuration within Mastra. Then, you spread the tool definitions into your agent's tool set to make them available for your workflows.

Absolutely. You can write agents that check transaction outcomes and decide whether to proceed or retry based on the data returned by the tools.

Yes. If a tool call fails due to a network hiccup, the framework's retry engine can be configured to attempt the call again, ensuring your workflow doesn't stall.

You have access to all 11 tools, including block lookups and network statistics. This gives your agents full visibility into the chain for any complex task.

The server only reads public data from the blockchain. It doesn't store your history or account information, and it only interacts with the Nearblocks API using public endpoints.

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