I have been spending time building inside Sitecore Agentic Studio recently and wanted to share some practical notes for other developers who are looking at it. Most of what is out there right now is high-level marketing overview stuff. This is more about what it actually feels like to build in the Workflow Editor.
The first real decision you face is agent type. Standard agents are conversational and flexible, which sounds good until you need a repeatable, structured output every single time. They drift. Workflow agents give you an explicit pipeline where you control the execution path, and if your use case has predictable inputs and outputs, that control is worth a lot.
For my build I structured things as a series of focused steps. A Context Parameters step first to extract and normalize user inputs, then a Research step to enrich the context, then output generation. The biggest lesson from that output generation step: the model you pick matters far more than I expected. I spent a long time trying to write tighter prompts to force a model to return clean JSON before I realized I just needed a different model. Switching was faster than out-prompting the problem.
A few other things that came up:
Prompt engineering in these workflows is essentially production code. Your business logic lives in the prompts, not just the pipeline steps, and prompts behave probabilistically. Version them before you change them. I did not do that early on and paid for it.
Flow Control steps for conditional logic are genuinely useful. Skipping entire sections of output when optional inputs are missing is cleaner than rendering empty placeholders, and it is straightforward to set up once you understand how variable passing works.
The MCP integration is the part I think a lot of developers are sleeping on. The Sitecore Marketer MCP server means agents can interact directly with SitecoreAI workflows. An agent that pulls from Content Hub, enriches with CRM context, and feeds back into a workflow is a configuration problem now, not a research project.
Happy to answer questions if anyone is getting started with this. Also wrote up the full breakdown with step-by-step details here if it is useful: https://www.gowthamaraja.com/sitecore-agentic-studio-developer-deep-dive/