1Declarative vs Custom-Engine AgentsThe first design choice is whether to describe the agent or build the engine that runs it.Building Agents 2Choosing Your Build ToolPick Agent Builder, Copilot Studio, or the Microsoft 365 Agents Toolkit by matching the tool to the control the work really needs.Building Agents 3The Microsoft 365 Agents SDKA practical guide to building one agent that can work across Microsoft 365 surfaces instead of being trapped in a single app.Building Agents 4The Agent 365 SDKThe Agent 365 SDK does not build agents; it gives agents you already built enterprise identity, governance, observability, and access.Building Agents 5Work IQ and Governed MCP ServersWork IQ gives agents one governed route to Microsoft 365 data instead of many private, hard-to-audit connections.Building Agents