GroupDocs.Merger for Python via .NET is AI agent and LLM friendly — machine-readable documentation, an MCP server, AGENTS.md shipped inside the pip package, and runnable code examples for AI-driven document assembly pipelines....Excel, PowerPoint, PDF, Visio, images, eBooks, email, and text formats...ImageJoinMode.VERTICAL)` stacks images; `PdfJoinOptions` exposes `use_bookmarks`...