Requires Node 18+ on your system so npx can fetch the package on first run. Claude Code persists MCP servers via its CLI — no config file to edit, just run the command below once. Paste the config below, then follow the reload step to register @fastmcp-me/base-mcp-server.
Run the command below in your terminal — Claude Code persists it for you.claude mcp add base --env BASE_PROVIDER_URL=https://api.developer.coinbase.com/rpc/v1/base/YOUR_API_KEY --env WALLET_PRIVATE_KEY=your_private_key_here -- npx -y base-network-mcp-server