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

Stream real-time Near blockchain data directly into your Vercel AI SDK frontends using the Nearblocks MCP Server.

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Connect Nearblocks (Near Blockchain Explorer API) MCP to Vercel AI SDK

Create your Vinkius account to connect Nearblocks (Near Blockchain Explorer API) to Vercel AI SDK 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 Vercel AI SDK

Ask AI about this MCP

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Claude

Perplexity

Live account tracking in Vercel AI SDK

Feed your UI with live balance and transaction updates as your agent processes them. You can call `get_account_details` or `get_account_transactions` inside your streamText calls to show progress to your users instantly. Stop relying on static snapshots. By pushing raw data from the Nearblocks MCP Server through the SDK, your interface stays synced with the chain without manual refresh logic.

Token and NFT visibility

Expose asset holdings to your end users by querying `get_account_tokens` and `get_account_inventory`. Your AI client renders these results in real-time, letting users see their inventory as the agent fetches it. This bypasses the need for custom indexers. Just connect the server and let the SDK handle the data flow directly into your React components.

Network stats for your dashboard

Pull global network health metrics with `get_network_stats` to keep your users informed. It is a quick way to provide context on gas prices or validator status without building a backend service. Your AI client uses this tool to answer user questions about current chain conditions. It turns complex blockchain metrics into plain, readable answers in your web app.

Setup guide

Set up Nearblocks (Near Blockchain Explorer API) MCP in Vercel AI SDK

Prerequisites

Node.js 18+ and a TypeScript project
ai + @modelcontextprotocol/sdk packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies

Run npm install ai @modelcontextprotocol/sdk plus your preferred model provider (e.g. @ai-sdk/openai).
2

Create the Streamable HTTP transport

Use StreamableHTTPClientTransport with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and use tools

Call mcpClient.tools() to auto-discover all Nearblocks (Near Blockchain Explorer API) tools. Pass them directly to generateText() or streamText() — no manual schema definitions needed.
4

Works with any model provider

Swap openai("gpt-4o") for any AI SDK provider — Anthropic, Google, Mistral. The MCP tools work identically across all supported models.

index.ts

import { experimental_createMCPClient as createMCPClient } from "ai";
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";

const transport = new StreamableHTTPClientTransport(
  new URL("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
);

const mcpClient = await createMCPClient({ transport });
const tools = await mcpClient.tools();

const { text } = await generateText({
  model: openai("gpt-4o"),
  tools,
  prompt: "List recent Nearblocks (Near Blockchain Explorer API) transactions",
});

console.log(text);
await mcpClient.close();

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

You initialize the client via the MCP transport and pass the tool definitions into your generateText function. Once set up, the SDK handles the calls to the server whenever your agent needs to fetch data.

Yes. The streaming nature of the SDK allows tool results to hit your frontend as they arrive. This ensures your users see blockchain events as they happen.

It does, provided your transport configuration is set up for HTTP. You can fetch transaction details or account balances from the edge without cold starts.

You can use all 11 tools provided by the server. Just register them in your tool registry and give your model access to the ones it needs.

The server only touches public blockchain data. It queries account balances, token lists, and transaction histories that are already visible on the explorer, keeping your private keys and credentials completely out of the loop.

Use it with your favorite AI tools

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

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