SharePoint REST API for Microsoft 365 Developers: When You Still Need It
Microsoft Graph is the default for SharePoint data, but it can't do everything. Here's when the SharePoint REST API is still the right call.
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Software Engineer · Microsoft MVP
I build with AI and teach everything I learn.
I'm Andrew, a developer, writer, and speaker, and a Principal Software Engineer at AvePoint. These days my focus is agentic engineering and building with AI, though three decades in the Microsoft 365 ecosystem still shape how I think about it. Founder of Voitanos and a 23-year Microsoft MVP, this is where I share the writing, projects, and talks I care about most.
Microsoft Teams SSO and the On-Behalf-Of Flow with Microsoft Graph
A practical, end-to-end guide to single sign-on for Microsoft Teams apps that call Microsoft Graph. Covers the on-behalf-of (OBO) flow, Microsoft Entra ID app registration, the Teams manifest, the …
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Microsoft Teams App Development: The Developer's Complete Guide
A comprehensive guide to building apps for Microsoft Teams covering app types, development approaches, SDKs, authentication, deployment, and how to choose the right architecture for your scenario.
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Microsoft Graph for Microsoft 365 Developers: A Practical Guide
A practical guide to Microsoft Graph for Microsoft 365 developers covering what it is, key APIs, authentication, SDKs, webhooks, delta queries, and how to call it from SPFx, Teams apps, and Azure …
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Microsoft Entra ID for Microsoft 365 Developers: What You Need to Know
A comprehensive guide to Microsoft Entra ID (formerly Azure AD) for Microsoft 365 developers covering authentication flows, app registrations, permissions, tokens, SSO, and how Entra ID underpins …
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Azure Functions for Microsoft 365 Developers: Build Serverless APIs
The practical guide to building Azure Functions for Microsoft 365. Patterns, security, Microsoft Graph, deploy with Bicep and GitHub Actions.
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Wire an MCP Apps server into the F5 debug experience of the M365 Agents Toolkit
Make F5 launch your whole MCP Apps agent: a dev tunnel on port 3001, MCP_SERVER_URL substitution, a deploy phase, and the task order that makes it work.
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Integrate an MCP Apps server into a Microsoft 365 Copilot declarative agent
Wire an MCP Apps server into a declarative agent: a RemoteMCPServer plugin manifest, static tool declarations, and instructions that drive each widget.
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Add an MCP server with UI widgets to a Microsoft 365 Copilot declarative agent project
Learn how to add an MCP server with interactive React UI widgets to a Microsoft 365 Copilot declarative agent — from setup to testing with the MCP Inspector.
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What are MCP Apps? Interactive Widgets in Copilot Chat
MCP Apps let an MCP server return a UI widget Copilot renders inline in a sandboxed iframe. Learn how they work and where adaptive cards run out of road.
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Customize Your Claude Code Status Line to Manage Token Burn
Customize the Claude Code status line with a script that shows context window fill, your 5-hour session limit, and 7-day quota after every turn.
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Join Me @ ESPC in Amsterdam in DEC 2026 - M365 Copilot Dev
Join me in NOV+DECin Amsterdam for ESPC 2026! Learn how to get the most value from M365 Copilot when when to use Copilot Studio or using Visual Studio Code!
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Join me - TechCon365 - Seattle, August 2026 for Microsoft 365 Copilot & AI Dev
Join me in Seattle, WA in August 2026 for TechCon365 to get the most value from your Microsoft 365 Copilot investment, Agentic Engineering, & AI!
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Voitanos Is Closing: What Happens Next
An Opportunity I Couldn't Pass Up: What This Means for Voitanos.
Replicate Your Hands, Not Your Brain: When to Automate with AI
Not every tedious task deserves AI automation. Here's the test I use to decide what to hand to an AI agent and what stays manual.
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Developer's guide to declarative agents for Microsoft 365 Copilot: Webinar Recap
My webinar recap: how declarative agents beat Copilot Studio, why the Sydney orchestrator matters, and what you need to start building Copilot extensions.
Microsoft 365 Copilot Declarative Agents What's New - April 2026
MCP Apps, embedded knowledge, and the M365 Agents Toolkit plugin just changed declarative agent development. Here's what developers need to know.
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Evaluating Your Microsoft 365 Copilot Agent Options: Webinar Recap
Microsoft 365 Copilot supports four agent creation options: SharePoint agents, Agent Builder, Copilot Studio, and declarative agents built with the Microsoft 365 Agents Toolkit (ATK). Each sits on a …
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My Thoughts on Vibe Coding vs. Agentic Engineering
I've been using AI agents in my daily development workflow for a few months, and what I'm doing looks nothing like what most people mean by vibe coding.
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Microsoft 365 Agents Toolkit v6.6.0 Release Review
Detailed review of Microsoft 365 Agents Toolkit v6.6.0: GCC-M support, embedded knowledge for declarative agents, MCP GA, and 61 templates removed.
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