Requires Node 18+ on your system so npx can fetch the package on first run. Claude Desktop only speaks stdio locally; HTTP servers are wrapped via npx mcp-remote automatically. Paste the config below, then follow the reload step to register @fastmcp-me/base-mcp-server.
~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.json~/.config/Claude/claude_desktop_config.json{
"mcpServers": {
"base": {
"command": "npx",
"args": [
"-y",
"base-network-mcp-server"
],
"env": {
"BASE_PROVIDER_URL": "https://api.developer.coinbase.com/rpc/v1/base/YOUR_API_KEY",
"WALLET_PRIVATE_KEY": "your_private_key_here"
}
}
}
}