Base Blockchain
OfficialEnables Claude to interact with the Base blockchain and Coinbase API for cryptocurrency operations i...
Prepare Required Credentials
Gather the following credentials, which you will need to connect to the Base MCP server:- Coinbase API Key Name and Private Key
Obtain from the Coinbase Developer Portal. - Wallet Seed Phrase
This is your wallet's 12 or 24-word mnemonic phrase. - Coinbase Project ID
Also available in the Coinbase Developer Portal. - Alchemy API Key
Get one from Alchemy. - OpenRouter API Key (optional, for OpenRouter credits)
Retrieve it from OpenRouter Keys. - Chain ID (optional, for testnet)
Use 84532 for Base Sepolia testnet, or leave empty for Mainnet. - Neynar API Key (required for Farcaster functionality)
Available at Neynar.
- Coinbase API Key Name and Private Key
Access the FastMCP Connection Interface
Open the FastMCP dashboard and proceed to add a new environment (ENV) using the "Install Now" button for the Base MCP server.Fill Out the Required ENV Values
In the FastMCP connection interface, enter the following keys and their corresponding values from Step 1:COINBASE_API_KEY_NAME= COINBASE_API_PRIVATE_KEY= SEED_PHRASE= COINBASE_PROJECT_ID= ALCHEMY_API_KEY= OPENROUTER_API_KEY= # Optional CHAIN_ID= # Optional NEYNAR_API_KEY= # Required for Farcaster featuresSave the Configuration
Confirm and save your changes in the FastMCP interface.Restart or Reconnect as Needed
If prompted, restart the server or reconnect to ensure your ENV values are applied.
Note: Keep all credentials secure and do not share them. Only fill in the values for the features you intend to use (some are optional as indicated).
Quick Start
Choose Connection Type for
Authentication Required
Please sign in to use FastMCP hosted connections
Configure Environment Variables for
Please provide values for the following environment variables:
started!
The MCP server should open in . If it doesn't open automatically, please check that you have the application installed.
Copy and run this command in your terminal:
Make sure Gemini CLI is installed:
Visit Gemini CLI documentation for installation instructions.
Make sure Claude Code is installed:
Visit Claude Code documentation for installation instructions.
Installation Steps:
Configuration
Installation Failed
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