Build the product token passed to the official B2 SDK. The SDK owns its transport stack identity; this prefix keeps MCP traffic attributable without rebuilding or depending on the SDK's underlying User-Agent details.
The product token for SDK User-Agent metadata.
Build the product token passed to the official B2 SDK. The SDK owns its transport stack identity; this prefix keeps MCP traffic attributable without rebuilding or depending on the SDK's underlying User-Agent details.