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Base

Safety: 35/100

0.0(0)

Base MCP server provides onchain tools for AI apps to interact with the Base Network and Coinbase API, enabling wallet management, contract deployment, and more.

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Overview

Base MCP server provides onchain tools for AI apps to interact with the Base Network and Coinbase API, enabling wallet management, contract deployment, and more.

The Base MCP server offers powerful on-chain tools but carries significant risk due to its ability to manage funds and deploy contracts. It is safe when used with extreme caution, secure configuration practices, and a thorough understanding of the underlying blockchain operations. It's risky if secrets are exposed or if untrusted contract code is deployed.

Performance is limited by the speed of blockchain transactions and API responses from Coinbase, Alchemy, and OpenRouter. Expect delays for write operations.

Cost considerations include gas fees for blockchain transactions, API usage costs for Coinbase, Alchemy, and OpenRouter, and potential fees for on-ramping funds.

CloudTypeScript336 starsMITReleased 4/22/2025CI/CD

Connections & Capabilities

Connects To

GitHub

Capabilities

ReadWriteExecAdmin

Client Compatibility

Claude Desktop

full

Cursor

untested

Windsurf

untested

VS Code (Copilot)

untested

Quickstart

Install

npm install -g

Claude Desktop Config

{
  "mcpServers": {
    "base-mcp": {
      "command": "npx",
      "args": ["-y", "base-mcp@latest"],
      "env": {
        "COINBASE_API_KEY_NAME": "your_api_key_name",
        "COINBASE_API_PRIVATE_KEY": "your_private_key",
        "SEED_PHRASE": "your seed phrase here",
        "COINBASE_PROJECT_ID": "your_project_id",
        "ALCHEMY_API_KEY": "your_alchemy_api_key",
        "PINATA_JWT": "your_pinata_jwt",
        "OPENROUTER_API_KEY": "your_openrouter_api_key",
        "CHAIN_ID": "optional_for_base_sepolia_testnet"
      },
      "disabled": false,
      "autoApprove": []
    }
  }
}

Environment Variables

COINBASE_API_KEY_NAMECOINBASE_API_PRIVATE_KEYSEED_PHRASECOINBASE_PROJECT_IDALCHEMY_API_KEYOPENROUTER_API_KEYCHAIN_IDNEYNAR_API_KEY

Tools (14)

safe

get-address

Retrieves the Ethereum address associated with the configured wallet.

Read-only operation, no side effects.

safe

list-balances

Lists the balances of various assets held in the configured wallet.

Read-only operation, no side effects.

critical

transfer-funds

Transfers funds from the configured wallet to a specified destination address.

Irreversible write operation that can result in loss of funds.

critical

deploy-contract

Deploys a smart contract to the blockchain using provided Solidity code.

Irreversible write operation that can deploy malicious code.

safe

check-address-reputation

Checks the reputation of a given Ethereum address using external services.

Read-only operation, no side effects.

safe

get_morpho_vaults

Gets the available vaults for a given asset on the Morpho protocol.

Read-only operation, no side effects.

high

call_contract

Calls a function on a deployed smart contract.

Can modify contract state depending on the function called.

safe

get_onramp_assets

Gets the assets available for onramping via Coinbase in a given region.

Read-only operation, no side effects.

moderate

onramp

Generates a URL for onramping funds via Coinbase.

Initiates a transaction that requires user confirmation.

safe

erc20_balance

Gets the balance of a specified ERC20 token for the configured wallet.

Read-only operation, no side effects.

critical

erc20_transfer

Transfers a specified amount of an ERC20 token to a given address.

Irreversible write operation that can result in loss of tokens.

safe

list_nfts

Lists the NFTs owned by a specified address.

Read-only operation, no side effects.

critical

transfer_nft

Transfers an NFT to another address.

Irreversible write operation that can result in loss of NFTs.

moderate

buy_openrouter_credits

Buys OpenRouter credits with USDC.

Transfers USDC to purchase credits.

Security

Auth Method

Environment Variable

Data Locality

cloud

Known Risks

!Compromised API keys or seed phrases could lead to unauthorized fund transfers or contract deployments.
!Malicious smart contracts deployed through the server could drain funds or perform other harmful actions.
!Lack of input validation in tools could lead to unexpected behavior or vulnerabilities.
!Reliance on third-party APIs (Coinbase, Alchemy, OpenRouter) introduces dependencies and potential points of failure.
!The server itself could be vulnerable to exploits if not properly secured and updated.

Safety Score

high risk

Positive

+Requires explicit configuration with API keys and seed phrases.
+Provides tools for interacting with blockchain, which inherently has audit trails.
+Includes tools for checking address reputation, adding a layer of security.
+Supports onramp functionality via Coinbase, a reputable exchange.

Risks

-Manages sensitive information like API keys and seed phrases in a configuration file.
-Allows fund transfers and contract deployments, which are irreversible and potentially risky.
-Provides access to wallet addresses and balances, increasing the risk of unauthorized access if compromised.
-Lacks built-in sandboxing, meaning tools have direct access to the configured wallet.
-Relies on user-provided contract code for deployment, opening potential for malicious contracts.

Use Cases

Wallet Management

-Checking wallet balances for various assets
-Transferring funds between wallets
-Listing owned NFTs

Smart Contract Interaction

-Deploying new smart contracts
-Calling functions on existing smart contracts
-Interacting with DeFi protocols like Morpho

On-Ramping Funds

-Determining available on-ramp assets in a given region
-Generating URLs for on-ramping funds via Coinbase

Token Management

-Checking ERC20 token balances
-Transferring ERC20 tokens

Who Is This For?

Best For

Developers building AI-powered blockchain applications
Users who want to interact with the Base network through a conversational interface
Automated trading bots or DeFi strategies
Power users comfortable managing their own API keys and seed phrases

Not Ideal For

Novice users unfamiliar with blockchain technology
Applications requiring high security or strict access controls
Environments where sensitive information cannot be securely stored
Use cases requiring real-time or low-latency blockchain interactions

Autonomy & Execution

Default ModeRead and Write enabled

Destructive Tools

This server provides full access to the configured wallet and blockchain operations. Exercise extreme caution when enabling autonomous mode, as destructive actions are possible.

StatelessYes

Retry LogicNot documented

ConcurrencySingle-threaded

Production Tip

Implement robust monitoring and alerting to detect and respond to errors or unexpected behavior in production.

FAQ

What is the purpose of the Base MCP server?

It provides on-chain tools for AI applications to interact with the Base network and Coinbase API.

What are the prerequisites for using this server?

Node.js, npm/yarn, Coinbase API credentials, a wallet seed phrase, Coinbase Project ID, and Alchemy API Key are required.

How do I configure the server with my credentials?

Create a `.env` file with your API keys, seed phrase, and other configuration parameters.

What are the security considerations when using this server?

Protect your API keys and seed phrase, be cautious when transferring funds or deploying contracts, and verify all transaction details before confirming.

How do I add this MCP server to Claude Desktop?

Edit the Claude Desktop configuration file and add the server configuration with your credentials.

What is the risk level associated with using this server?

The risk level is high due to the ability to manage funds and deploy contracts, which are irreversible operations.

Can I use this server to interact with other blockchains besides Base?

This server is specifically designed for the Base network, but could be adapted for other EVM-compatible chains with appropriate configuration.

Metrics

Discovered2/14/2026

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Saved By0 users

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