Etherscan MCP Server for Mastra AIGive Mastra AI instant access to 19 tools to Get Abi, Get Address Tag, Get Address Token Balance, and more
GDPR Free for SubscribersMastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Etherscan through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
Ask AI about this MCP Server for Mastra AI
The Etherscan MCP Server for Mastra AI is a standout in the Data Analytics category — giving your AI agent 19 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminiimport { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"etherscan": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Etherscan Agent",
instructions:
"You help users interact with Etherscan " +
"using 19 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Etherscan?"
);
console.log(result.text);
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Etherscan MCP Server
Connect your Etherscan API key to any AI agent and gain instant access to on-chain data across Ethereum and other EVM-compatible networks through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Etherscan tool infrastructure. Connect 19 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Native Balances — Retrieve the native token balance (ETH, MATIC, etc.) for single or multiple addresses (up to 20) using
get_balanceandget_balance_multi. - Transaction History — Fetch comprehensive lists of normal and internal transactions for any wallet address with
get_tx_listandget_tx_list_internal. - Token Tracking — Monitor transfers for ERC-20, ERC-721 (NFTs), and ERC-1155 tokens using specialized tools like
get_token_txandget_token_nft_tx. - Multi-Chain Support — Query data across different networks by specifying the
chainid(e.g., 1 for Ethereum, 137 for Polygon). - Granular Filtering — Filter transaction results by block range, pagination, and sort order to find exactly what you need.
The Etherscan MCP Server exposes 19 tools through the Vinkius. Connect it to Mastra AI in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 19 Etherscan tools available for Mastra AI
When Mastra AI connects to Etherscan through Vinkius, your AI agent gets direct access to every tool listed below — spanning ethereum, evm, block-explorer, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
Get abi on Etherscan
Get Contract ABI
Get address tag on Etherscan
Get address name tag (PRO Plus)
Get address token balance on Etherscan
Get address portfolio (PRO)
Get balance on Etherscan
Get native token balance for an address
Get balance multi on Etherscan
Get native token balances for multiple addresses
Get block no by time on Etherscan
Get block number by timestamp
Get block number on Etherscan
Get latest block number
Get eth price on Etherscan
Get Ether last price
Get eth supply on Etherscan
Get total supply of Ether
Get gas oracle on Etherscan
Get Gas Oracle
Get logs on Etherscan
Get event logs
Get source code on Etherscan
Get Contract Source Code
Get token 1155 tx on Etherscan
Get ERC-1155 token transfers for an address
Get token nft tx on Etherscan
Get ERC-721 token transfers for an address
Get token tx on Etherscan
Get ERC-20 token transfers for an address
Get transaction by hash on Etherscan
Get transaction by hash
Get tx list on Etherscan
Max 10,000 records. Get normal transactions for an address
Get tx list internal on Etherscan
Get internal transactions for an address
Verify source code on Etherscan
Verify Contract Source Code
Connect Etherscan to Mastra AI via MCP
Follow these steps to wire Etherscan into Mastra AI. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install dependencies
npm install @mastra/core @mastra/mcp @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.ts and run with npx tsx agent.tsExplore tools
Why Use Mastra AI with the Etherscan MCP Server
Mastra AI provides unique advantages when paired with Etherscan through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Etherscan without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Etherscan tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Etherscan + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Etherscan MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Etherscan, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Etherscan as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Etherscan on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Etherscan tools alongside other MCP servers
Example Prompts for Etherscan in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Etherscan immediately.
"What is the ETH balance of address 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe on Ethereum?"
"Show me the last 5 ERC-20 token transfers for 0x742d35Cc6634C0532925a3b844Bc454e4438f44e."
"List the normal transactions for address 0x123... on Polygon (Chain ID 137)."
Troubleshooting Etherscan MCP Server with Mastra AI
Common issues when connecting Etherscan to Mastra AI through Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpEtherscan + Mastra AI FAQ
Common questions about integrating Etherscan MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
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