How to Use the Etherscan MCP in Cursor

Q: How do I add Etherscan tools to Cursor?

Create a .cursor/mcp.json file in your project root. Define the server path there, and Cursor will load the tools into Agent mode.

Q: Does Cursor support multiple addresses with Etherscan?

Yes. You can use getbalancemulti to pull data for multiple addresses in one go. It works perfectly within the Cursor chat context.

Q: Can I verify contracts using Etherscan within Cursor?

You can trigger verifysourcecode directly from your editor. It's a massive time-saver for developers pushing updates to mainnet.

Inject live blockchain data into your editor with Cursor. Stop mocking responses and start coding against actual chain state.

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Connect Etherscan MCP to Cursor

Create your Vinkius account to connect Etherscan to Cursor 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 Etherscan with Cursor

Ask AI about this MCP

ChatGPT

Claude

Perplexity

Live blockchain context for Cursor

Stop relying on outdated documentation. Use `get_gas_oracle` or `get_block_number` to get live network stats injected straight into your Cursor Agent session. The AI sees the same data you see on the chain. It writes code that handles real-world conditions instead of guessing.

Pull contract ABIs directly into Cursor

Generate your interface code by pulling the actual `get_abi` data. You don't need to copy-paste JSON blobs from a browser ever again. Your agent fetches the source directly from the chain. It ensures your local project remains synced with the deployed contract.

Track token transfers with Cursor

Use `get_token_nft_tx` or `get_token_1155_tx` to debug your dApp logic. Your agent reviews the transaction history to identify why a function might be failing. It treats the blockchain as a live data source. You get the insights needed to fix bugs in minutes.

Setup guide

Set up Etherscan MCP in Cursor

Prerequisites

Cursor installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP Settings

Go to Cursor Settings → MCP or open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and search for "MCP: Add Server".
2

Add the Etherscan MCP

Cursor will create or open .cursor/mcp.json in your project root. Paste the JSON snippet on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Enable Agent mode

Open Composer (Cmd+I / Ctrl+I) and switch to Agent mode using the dropdown at the top. MCP tools are only available in Agent mode.
4

Verify the connection

Ask Cursor something like "List my recent Etherscan transactions." If the MCP tools are loaded correctly, Cursor will call the Etherscan tools automatically. You can also check Settings → MCP for a green status indicator.

.cursor/mcp.json

{
  "mcpServers": {
    "etherscan-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Etherscan. 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 Etherscan MCP in Cursor

Create a `.cursor/mcp.json` file in your project root. Define the server path there, and Cursor will load the tools into Agent mode.

Yes. You can use `get_balance_multi` to pull data for multiple addresses in one go. It works perfectly within the Cursor chat context.

You can trigger `verify_source_code` directly from your editor. It's a massive time-saver for developers pushing updates to mainnet.

The server respects the standard API limits. If you're running heavy agent loops, keep an eye on your request frequency to avoid hitting the cap.

Your source code stays in your editor. Only the specific address or hash you query is sent to the API, ensuring your private keys and proprietary logic never leave your environment.

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