web3agent MCP Server

What the code does

We read the source, 21 h ago · rules 3dff92dd89df

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

const child = spawn(

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Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add web3agent -- npx -y web3agent

{
  "mcpServers": {
    "web3agent": {
      "args": [
        "-y",
        "web3agent"
      ],
      "command": "npx"
    }
  }
}

[mcp_servers.web3agent]
command = "npx"
args = ["-y", "web3agent"]

{
  "mcpServers": {
    "web3agent": {
      "args": [
        "-y",
        "web3agent"
      ],
      "command": "npx"
    }
  }
}

{
  "mcpServers": {
    "web3agent": {
      "args": [
        "-y",
        "web3agent"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: CHAIN_ID (Default EVM chain ID. Defaults to Base mainnet (8453).), CONFIRM_WRITES (Require explicit confirmation before write operations execute. Defaults to true.), ETHERSCAN_API_KEY (Optional Etherscan API key for Etherscan-backed explorer tools.), ZEROX_API_KEY (Optional 0x API key for 0x swap plugin support.), COINGECKO_API_KEY (Optional CoinGecko API key for higher-rate market data.), CCXT_CONFIG_PATH (Optional local path to a CCXT account config JSON file.), OWS_PASSPHRASE (Optional Open Wallet Standard vault passphrase for persisted local wallets.). The author declared them in the registry entry; get the values from the project itself.