Web3agent MCP Server

Web3 MCP proxy for AI agents: DeFi swaps, bridges, market data, wallets, and gated writes.

Local serverstdio

What is the Web3agent MCP Server?

Web3agent is an MCP integration. Web3 MCP proxy for AI agents: DeFi swaps, bridges, market data, wallets, and gated writes.

Packages and local setup

The published npm package is web3agent, version 0.6.2. Its declared MCP transport is stdio.

The package declares 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..

This package has launch arguments in its registry record. Use the maintainer’s configuration for those arguments rather than launching it with only the package name.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 0.6.2 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related blockchain & web3 MCP servers for tools that cover the same kind of work.

Configuration

VariableDescriptionRequired
CHAIN_IDDefault EVM chain ID. Defaults to Base mainnet (8453).Optional
CONFIRM_WRITESRequire explicit confirmation before write operations execute. Defaults to true.Optional
ETHERSCAN_API_KEYOptional Etherscan API key for Etherscan-backed explorer tools.Optional
ZEROX_API_KEYOptional 0x API key for 0x swap plugin support.Optional
COINGECKO_API_KEYOptional CoinGecko API key for higher-rate market data.Optional
CCXT_CONFIG_PATHOptional local path to a CCXT account config JSON file.Optional
OWS_PASSPHRASEOptional Open Wallet Standard vault passphrase for persisted local wallets.Optional