Web3Agent MCP

Open-source execution layer for EVM that lets AI agents perform DeFi swaps, bridges, limit orders, and wallet management via plain language. It provides 190+ MCP tools for routing, transaction preparation, and confirmation-gated execution across Ethereum, Base, Arbitrum, and other chains.

Visit Apegurus

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by Apegurus

Vendor documentation

What you can do with it

Swap tokens across EVM chains
Bridge assets between networks
Set limit or trigger orders
Check wallet balances

Source and maintenance

Community listingRegistry 0.6.2

mcp-registry: io.github.Apegurus/web3agent@0.6.2 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

web3agent 0.6.2

npmnpx

web3agent package definition

{
  "version": "0.6.2",
  "transport": "stdio",
  "identifier": "web3agent",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "packageArguments": [
    {
      "type": "positional",
      "value": "web3agent"
    }
  ],
  "environmentVariables": [
    {
      "name": "CHAIN_ID",
      "format": "number",
      "description": "Default EVM chain ID. Defaults to Base mainnet (8453)."
    },
    {
      "name": "CONFIRM_WRITES",
      "format": "boolean",
      "description": "Require explicit confirmation before write operations execute. Defaults to true."
    },
    {
      "name": "ETHERSCAN_API_KEY",
      "format": "string",
      "description": "Optional Etherscan API key for Etherscan-backed explorer tools."
    },
    {
      "name": "ZEROX_API_KEY",
      "format": "string",
      "description": "Optional 0x API key for 0x swap plugin support."
    },
    {
      "name": "COINGECKO_API_KEY",
      "format": "string",
      "description": "Optional CoinGecko API key for higher-rate market data."
    },
    {
      "name": "CCXT_CONFIG_PATH",
      "format": "filepath",
      "description": "Optional local path to a CCXT account config JSON file."
    },
    {
      "name": "OWS_PASSPHRASE",
      "format": "string",
      "description": "Optional Open Wallet Standard vault passphrase for persisted local wallets."
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "web3agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "web3agent@0.6.2",
        "web3agent"
      ],
      "env": {
        "CHAIN_ID": "<YOUR_CHAIN_ID>",
        "CONFIRM_WRITES": "<YOUR_CONFIRM_WRITES>",
        "ETHERSCAN_API_KEY": "<YOUR_ETHERSCAN_API_KEY>",
        "ZEROX_API_KEY": "<YOUR_ZEROX_API_KEY>",
        "COINGECKO_API_KEY": "<YOUR_COINGECKO_API_KEY>",
        "CCXT_CONFIG_PATH": "<YOUR_CCXT_CONFIG_PATH>",
        "OWS_PASSPHRASE": "<YOUR_OWS_PASSPHRASE>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "web3agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "web3agent@0.6.2",
        "web3agent"
      ],
      "env": {
        "CHAIN_ID": "<YOUR_CHAIN_ID>",
        "CONFIRM_WRITES": "<YOUR_CONFIRM_WRITES>",
        "ETHERSCAN_API_KEY": "<YOUR_ETHERSCAN_API_KEY>",
        "ZEROX_API_KEY": "<YOUR_ZEROX_API_KEY>",
        "COINGECKO_API_KEY": "<YOUR_COINGECKO_API_KEY>",
        "CCXT_CONFIG_PATH": "<YOUR_CCXT_CONFIG_PATH>",
        "OWS_PASSPHRASE": "<YOUR_OWS_PASSPHRASE>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "web3agent-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "web3agent@0.6.2",
        "web3agent"
      ],
      "env": {
        "CHAIN_ID": "<YOUR_CHAIN_ID>",
        "CONFIRM_WRITES": "<YOUR_CONFIRM_WRITES>",
        "ETHERSCAN_API_KEY": "<YOUR_ETHERSCAN_API_KEY>",
        "ZEROX_API_KEY": "<YOUR_ZEROX_API_KEY>",
        "COINGECKO_API_KEY": "<YOUR_COINGECKO_API_KEY>",
        "CCXT_CONFIG_PATH": "<YOUR_CCXT_CONFIG_PATH>",
        "OWS_PASSPHRASE": "<YOUR_OWS_PASSPHRASE>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "web3agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "web3agent@0.6.2",
        "web3agent"
      ],
      "env": {
        "CHAIN_ID": "<YOUR_CHAIN_ID>",
        "CONFIRM_WRITES": "<YOUR_CONFIRM_WRITES>",
        "ETHERSCAN_API_KEY": "<YOUR_ETHERSCAN_API_KEY>",
        "ZEROX_API_KEY": "<YOUR_ZEROX_API_KEY>",
        "COINGECKO_API_KEY": "<YOUR_COINGECKO_API_KEY>",
        "CCXT_CONFIG_PATH": "<YOUR_CCXT_CONFIG_PATH>",
        "OWS_PASSPHRASE": "<YOUR_OWS_PASSPHRASE>"
      }
    }
  }
}

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