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/btcpayserver-mcp.
~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.json~/.config/Claude/claude_desktop_config.json{
"mcpServers": {
"btcpayserver-mcp": {
"command": "node",
"args": [
"path/to/btcpayserver-mcp/dist/index.js"
],
"env": {
"BTCPAY_BASE_URL": "https://your-btcpay-instance.com",
"BTCPAY_API_KEY": "your_api_key_here",
"BTCPAY_STORE_ID": "your_default_store_id"
}
}
}
}