How to Use the Etherscan MCP in Cline

Q: Can Cline use Etherscan to debug failed transactions?

Yes, Cline uses gettransactionbyhash and gettxlistinternal to dissect failed execution paths directly in your editor. It matches the execution trace against the contract's ABI to explain exactly which assertion failed. Check the logs.

Q: How does Cline handle contract verification on Etherscan?

Cline calls verifysourcecode using your compiled build artifacts to register your contract on the blockchain. It monitors the verification status and updates your local deployment logs once the process completes.

Q: Where do I save my Etherscan MCP Server credentials for Cline?

You configure your Vinkius connection details inside your clinemcpsettings.json file. Cline reads these settings to access all nineteen MCP tools, including getbalance and getlogs, without exposing your keys in your codebase.

Let Cline build live Web3 dashboards and verify Ethereum smart contracts directly from your VS Code sidebar.

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Connect Etherscan MCP to Cline

Create your Vinkius account to connect Etherscan to Cline 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 Cline

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Build live Web3 dashboards inside VS Code with Cline

Cline uses `get_eth_price` and `get_gas_oracle` to fetch live network metrics and write them directly into your frontend code. It writes the React components, sets up the API hooks, and runs a local server to display current gas fees. Because Cline operates as an autonomous agent, it writes the test suite for your dashboard and checks for rendering errors. It hooks up the UI components to live data feeds without you having to write a single line of boilerplate.

Debug smart contracts using Cline and the Etherscan MCP Server

Cline uses `get_abi` and `get_source_code` to pull verified smart contract code directly into your active editor. It analyzes the contract's public functions and maps them against historical transaction logs to find why a transaction failed. If a function call reverts, Cline reads the transaction details via `get_transaction_by_hash` to pinpoint the exact failure point. It then drafts a fix in your local Solidity files and prepares a test script to verify the solution.

Track ERC-20 and NFT transfers with Cline

Cline uses `get_token_tx` and `get_token_nft_tx` to crawl token transfer histories and build detailed CSV reports in your workspace. It parses the event logs to map out token distribution across different holder addresses. The agent processes these logs to identify whale wallets or track NFT minting events over custom block ranges. It outputs clean data tables directly into your project folder, ready for your data analysis scripts.

Setup guide

Set up Etherscan MCP in Cline

Prerequisites

VS Code with Cline extension installed
Active Vinkius subscription with a valid endpoint token

1

Open Cline MCP settings

Click the Cline icon in the VS Code sidebar to open the Cline panel. Then click the MCP Servers icon (server stack) at the top-right corner of the panel.
2

Add a remote server

Click "Remote Servers" at the top, then click "Add Remote MCP". In the Name field, type etherscan-mcp. In the URL field, paste your Vinkius endpoint: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp. Get your token from cloud.vinkius.com.
3

Enable the server

After saving, the server appears in the Cline MCP panel. Toggle the switch to enable it. The status indicator turns green when the connection is live.
4

Start using tools

Return to the Cline chat and ask: "Check my latest Etherscan refund status." Cline will discover the available tools and request your approval before invoking each one — giving you full control over every action.

Cline MCP Settings

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

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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 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 Cline

Yes, Cline uses `get_transaction_by_hash` and `get_tx_list_internal` to dissect failed execution paths directly in your editor. It matches the execution trace against the contract's ABI to explain exactly which assertion failed. Check the logs.

Cline calls `verify_source_code` using your compiled build artifacts to register your contract on the blockchain. It monitors the verification status and updates your local deployment logs once the process completes.

You configure your Vinkius connection details inside your `cline_mcp_settings.json` file. Cline reads these settings to access all nineteen MCP tools, including `get_balance` and `get_logs`, without exposing your keys in your codebase.

Yes, Cline uses the MCP client to fetch multi-token standard transfers for any target address via `get_token_1155_tx`. It parses the token IDs and transfer values to reconstruct portfolio histories inside your VS Code workspace.

Only public blockchain identifiers, target addresses, and transaction hashes are sent to the API to fetch network state. Your local uncompiled Solidity files and private keys remain strictly inside your local VS Code environment.

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