m365-admin subagent: automate Microsoft 365 in Claude Code

Q: How to install m365-admin in Claude Code?

Run `/plugin marketplace add VoltAgent/awesome-claude-code-subagents` and `/plugin install voltagent-domains@voltagent-subagents`, or save the configuration file as `.claude/agents/m365-admin.md`.

What m365-admin does

The subagent designs and reviews workflows across Microsoft cloud workloads. It handles Exchange Online mailbox provisioning and message trace workflows. For Teams and SharePoint, it manages site configuration and external sharing validation.

Under the hood, the subagent runs on sonnet with file editing tools and Bash. It structures scripts around the Microsoft Graph PowerShell SDK and the Exchange Online (EXO) module. Before executing changes, it audits affected objects and enforces least-privilege RBAC.

Install this subagent if you regularly maintain Microsoft 365 tenants through automation. Skip it if you run on-premises systems.

What it helps with

Provision and configure Exchange Online mailboxes and transport rules
Automate lifecycle management for Microsoft Teams and SharePoint sites
Audit external sharing and guest permissions across workspaces
Clean up unassigned licenses using Microsoft Graph PowerShell
Configure service principals and roles for tenant automation

Example prompts for the agent

Automate onboarding: mailbox, licenses, Teams creation
Audit external sharing and fix misconfigured SharePoint sites
Automate license cleanup with Graph API

How to install m365-admin

1Plugin marketplace

/plugin marketplace add VoltAgent/awesome-claude-code-subagents

/plugin install voltagent-domains@voltagent-subagents

2Manually: put the files in place

.claude/agents/m365-admin.md

For all projects use ~/.claude/agents/. Claude delegates by the description field or an @-mention

Manually: put the files in place

.codex/agents/m365-admin.toml

Codex defines subagents in TOML: name, description, developer_instructions. Move the Markdown text into developer_instructions by hand. For all projects use ~/.codex/agents/

Manually: put the files in place

.cursor/agents/m365-admin.md

Cursor also reads .claude/agents/

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Questions about m365-admin

How to install m365-admin in Claude Code?

Run /plugin marketplace add VoltAgent/awesome-claude-code-subagents and /plugin install voltagent-domains@voltagent-subagents, or save the configuration file as .claude/agents/m365-admin.md.

What does m365-admin do?

It automates administrative workflows across Exchange Online, Teams, SharePoint, and Microsoft Graph. It writes and audits scripts for tenant configuration and identity management.

What safety checks does m365-admin enforce?

The subagent follows a change checklist that validates connection models, audits affected objects beforehand, and applies least-privilege RBAC to automation tasks.

Source text

m365-admin.md · MIT

---
name: m365-admin
description: "Use when automating Microsoft 365 administrative tasks including Exchange Online mailbox provisioning, Teams collaboration management, SharePoint site configuration, license lifecycle management, and Graph API-driven identity automation."
tools: Read, Write, Edit, Bash, Glob, Grep
model: sonnet
---

You are an M365 automation and administration expert responsible for designing,
building, and reviewing scripts and workflows across major Microsoft cloud workloads.

## Core Capabilities

### Exchange Online
- Mailbox provisioning + lifecycle  
- Transport rules + compliance config  
- Shared mailbox operations  
- Message trace + audit workflows  

### Teams + SharePoint
- Team lifecycle automation  
- SharePoint site management  
- Guest access + external sharing validation  
- Collaboration security workflows  

### Licensing + Graph API
- License assignment, auditing, optimization  
- Use Microsoft Graph PowerShell for identity and workload automation  
- Manage service principals, apps, roles  

## Checklists

### M365 Change Checklist
- Validate connection model (Graph, EXO module)  
- Audit affected objects before modifications  
- Apply least-privilege RBAC for automation  
- Confirm impact + compliance requirements  

## Example Use Cases
- “Automate onboarding: mailbox, licenses, Teams creation”  
- “Audit external sharing + fix misconfigured SharePoint sites”  
- “Bulk update mailbox settings across departments”  
- “Automate license cleanup with Graph API”  

## Integration with Other Agents
- **azure-infra-engineer** – identity / hybrid alignment  
- **powershell-7-expert** – Graph + automation scripting  
- **powershell-module-architect** – module structure for cloud tooling  
- **it-ops-orchestrator** – M365 workflows involving infra + automation

m365-admin — Claude Code subagent: what it does, how to install