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Connect Etherscan to ChatGPT, Claude and Gemini

Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Pull real-time on-chain insights directly into your AI chat.

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Your AI does the work. We keep it safe and sound.

No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.

Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

A futuristic MCP client docking bay
V8 Isolate01

Each Connector runs inside its own sealed environment.

Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.

Kill Switch02

One switch stops every agent. Instantly.

One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.

FinOps per User03

Spending limits that pause instead of surprise.

Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.

Three controls, built into the layer your AI connects through.

Curated set · 19 capabilities

We ship only the actions that matter.

Capability set01 / 05

01-04

4 capabilities in this set.

Part of 19 available through Etherscan.

  1. 01

    Get source code

    Pull the actual source code for a smart contract.

  2. 02

    Get abi

    Use this to retrieve the Application Binary Interface for a specific smart contract.

  3. 03

    Get address tag

    This capability pulls the name tag associated with a specific address if you have a PRO Plus account.

  4. 04

    Get address token balance

    Get the full token portfolio for an address with a PRO account.

Capability set02 / 05

05-08

4 capabilities in this set.

Part of 19 available through Etherscan.

  1. 05

    Get balance multi

    This capability fetches native token balances for a group of up to 20 addresses simultaneously.

  2. 06

    Get balance

    Check the native token balance for a single wallet address.

  3. 07

    Get block no by time

    Find a specific block number based on a provided timestamp.

  4. 08

    Get block number

    Get the most recent block number currently on the chain.

Capability set03 / 05

09-12

4 capabilities in this set.

Part of 19 available through Etherscan.

  1. 09

    Get eth price

    This capability returns the latest market price for Ether.

  2. 10

    Get eth supply

    Get the current total supply of Ether.

  3. 11

    Get gas oracle

    Retrieve current gas price estimates from the Gas Oracle.

  4. 12

    Get logs

    Retrieve event logs from the blockchain.

Capability set04 / 05

13-16

4 capabilities in this set.

Part of 19 available through Etherscan.

  1. 13

    Get transaction by hash

    Fetch the specific details of a single transaction using its hash.

  2. 14

    Get token 1155 tx

    This capability retrieves transfer history for ERC-1155 tokens for a given address.

  3. 15

    Get token nft tx

    This capability pulls ERC-721 NFT transfer history for an address.

  4. 16

    Get token tx

    Get the ERC-20 token transfer history for a specific address.

Capability set05 / 05

17-19

3 capabilities in this set.

Part of 19 available through Etherscan.

  1. 17

    Get tx list internal

    Retrieve the internal transaction history for a wallet address.

  2. 18

    Get tx list

    Fetch up to 10,000 normal transactions for a specific address.

  3. 19

    Verify source code

    Use this to verify the source code of a contract.

Real work

What teams actually run

01

Wallet Auditing

Check the native and token balances of multiple addresses to verify funds.

02

Smart Contract Debugging

Retrieve ABIs and source code to understand how a specific contract functions.

03

Whale Watching

Track large ERC-20 or NFT transfers to monitor market movements.

04

Transaction Verification

Inspect normal and internal transactions to confirm a specific event occurred on-chain.

Automate a task

Put Etherscan to work on one thing.

Step-by-step automations your AI runs through this Connector: the workflow, the prompts to start with, and the exact capabilities behind each move.

One connector, every AI

Etherscan works with the most popular AI clients.

These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.

ClaudeClaudeChatGPTChatGPTGeminiGeminiPerplexityPerplexityGrokGrokMicrosoft CopilotMicrosoft CopilotCursorCursorVS CodeVS CodeWindsurfWindsurfJetBrainsJetBrainsClineClineLangChainLangChainVercel AI SDKVercel AI SDKLovableLovableZ.aiZ.aiRaycastRaycastQwen CodeQwen CodeKimi CodeKimi CodeLe ChatLe Chat

Building your own app? The connector is yours to use.

You don't need a client to put Etherscan to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.

Observed, not estimated

1132ms average. Fast in production.

Etherscan is checked daily against the live service.

Daily averagePeak 1477ms
Oct 3Today
Fastest day
841ms
Slowest day
1477ms
14-day trend
Improving-22%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 19 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Etherscan, so you can see the experience inside your AI.

It does not authenticate your account with Etherscan. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Etherscan Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_GgbqIUEwTkBGL2VRWDJSeJ8YqzmAM0hbJRWkisTL/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Etherscan capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "etherscan-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_GgbqIUEwTkBGL2VRWDJSeJ8YqzmAM0hbJRWkisTL/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

Guided setup for Claude? Set up Etherscan in Claude and other AIs

See all the AI clients this connector works with ↑

Who it's for

Built for the work Etherscan owners hand off.

This MCP is built for professionals working directly with EVM-compatible blockchains who need fast, conversational access to on-chain data.

  • 01

    Web3 Developers

    They hand off contract debugging and transaction verification to the agent.

  • 02

    Crypto Analysts

    They use the agent to track whale movements and token distributions.

  • 03

    DeFi Users

    They monitor their own portfolio balances and transaction history via chat.

FAQ

Questions Etherscan owners ask.

  • 01

    Do I need my own Etherscan API key?

    Yes, you need to provide your own Etherscan API key to connect this MCP to your AI client.

  • 02

    Which blockchains does this MCP support?

    It supports Ethereum and any other EVM-compatible networks by using the appropriate chain ID.

  • 03

    Can I check NFT transfers?

    Yes, the MCP includes capabilities specifically for tracking ERC-721 and ERC-1155 token transfers.

  • 04

    How many addresses can I check at once?

    You can check the native balances for up to 20 addresses in a single request using the multi-balance capability.

  • 05

    Is this compatible with Cursor or VS Code?

    Yes, this MCP works with any MCP-compatible client, including Cursor, Windsurf, and VS Code.

  • 06

    How can I check the balance of multiple Ethereum addresses at once?

    You can use the get_balance_multi capability. Provide the chainid (e.g., 1 for Ethereum) and a comma-separated list of up to 20 addresses to retrieve all balances in a single request.

  • 07

    Can I track NFT transfers for a specific wallet?

    Yes! Use the get_token_nft_tx capability. By providing the wallet address and the appropriate chainid, the agent will list ERC-721 transfer events associated with that account.

  • 08

    Does this support networks other than Ethereum Mainnet?

    Yes, as long as you use the correct chainid. For example, use 1 for Ethereum, 137 for Polygon, or 10 for Optimism, provided your API key has access to those Etherscan-equivalent explorers.

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