Blockscout MCP Server

Query blockchain data from any EVM chain using Blockscout's MCP server — access blocks, transactions, addresses, tokens, and smart contracts through AI assistants.

May 4, 2026
GitHub stars

Overview

The Blockscout MCP Server enables AI assistants to query blockchain data from any EVM-compatible chain using Blockscout, the open-source block explorer. AI models can retrieve block details, transaction data, address information, token balances, and smart contract interactions — making on-chain data accessible through natural language conversations.

Open Source:

Developed by Blockscout. Supports any EVM chain with a Blockscout explorer instance.

Key Features

⛓️

Block & Transaction Data

Query block details, transaction histories, and gas metrics across EVM chains.

👛

Address Lookups

Retrieve address balances, transaction history, token holdings, and contract interactions.

🪙

Token & Balance Queries

Look up ERC-20 token balances, NFT holdings, and token transfer histories.

📜

Smart Contract Verification

Access verified contract source code, ABI data, and contract-level interactions.

Installation

{
  "mcpServers": {
    "blockscout": {
      "command": "npx",
      "args": [
        "-y",
        "@blockscout/mcp-server"
      ],
      "env": {
        "BLOCKSCOUT_API_URL": "https://<your-chain>.blockscout.com/api"
      }
    }
  }
}

Supported Chains:

Works with any EVM chain running Blockscout. Use the appropriate Blockscout API URL for your chain (e.g., Ethereum, Polygon, Base, Optimism, Arbitrum, Gnosis Chain, etc.).

Common Use Cases

  • On-Chain Research: Query transaction histories and wallet activities for blockchain analysis
  • Token Analysis: Look up token balances, transfers, and holder information across chains
  • Contract Verification: Access verified smart contract source code and ABIs for development
  • Blockchain Monitoring: Track blocks, gas prices, and network activity through AI conversations

Sources

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