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u-Operating-System

Base Network MCP Server

by u-Operating-System
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Base Network MCP Server

A Model Context Protocol (MCP) server for accessing Base Network blockchain data. Provides tools for querying blocks, transactions, balances, and smart contracts on Base mainnet and testnet.

Features

  • 9 blockchain tools (7 work without API key)

  • Base mainnet and Sepolia testnet support

  • Real-time blockchain data access

  • Docker support

  • Multiple transport options (stdio, HTTP)

Related MCP server: NIX MCP Server

Quick Start

Install and Build

git clone https://github.com/u-Operating-System/basescan-mcp-server.git
cd basescan-mcp-server
npm install
npm run build

Run the Server

# For Claude Desktop (recommended)
npm start

# For HTTP server
MCP_TRANSPORT_TYPE=http npm start

Optional: BaseScan API Key

Get enhanced features by adding a free BaseScan API key:

  1. Visit https://basescan.org/apis

  2. Create account and get API key

  3. Add to environment: BASESCAN_API_KEY=your-key

Claude Desktop Setup

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "base-network": {
      "command": "node",
      "args": ["/path/to/basescan-mcp-server/build/index.js"],
      "env": {
        "BASESCAN_API_KEY": "your-key-here"
      }
    }
  }
}

Docker

# Basic setup
docker run -p 3010:3010 basescan-mcp-server

# With API key
docker run -p 3010:3010 -e BASESCAN_API_KEY=your-key basescan-mcp-server

Available Tools

Tool

Description

Requires API Key

get_latest_block

Latest block information

No

get_block

Block by number/hash

No

get_transaction

Transaction details

No

get_balance

ETH balance lookup

No

get_gas_price

Current gas prices

No

check_contract

Smart contract detection

No

get_network_stats

Network statistics

No

get_account_transactions

Account transaction history

Yes

get_account_tokens

Token transfer history

Yes

Configuration

Configure via environment variables:

NODE_ENV=development              # development|production
MCP_TRANSPORT_TYPE=stdio          # stdio|http
MCP_HTTP_PORT=3010               # HTTP port
BASESCAN_API_KEY=your-key        # BaseScan API key (optional)
MCP_LOG_LEVEL=info               # debug|info|warning|error

Security

  • Store API keys in environment variables

  • Never commit .env files with real values

  • Use HTTPS in production

Networks

  • Base Mainnet: Chain ID 8453

  • Base Sepolia: Chain ID 84532

Development

npm run dev            # Development with hot reload
npm test               # Run tests
npm run lint           # Code linting
npm run format         # Code formatting

License

MIT

This server cannot be installed

A
license - permissive license
-
quality - not tested
D
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

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