manage_distribution_lists

WHAT IT DOES

What manage_distribution_lists does on Microsoft 365 Core MCP Server

AI agents use manage_distribution_lists to create or update resources in Microsoft 365 Core MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Microsoft 365 Core MCP Server environment.

WHY IT NEEDS A POLICY

Why manage_distribution_lists needs a policy

The tool description is empty, limiting certainty. However, the name 'manage' suggests reversible modifications (Write) rather than irreversible deletion (Destructive). Distribution list management in Microsoft 365 contexts involves creating/updating groups, managing membership, and modifying properties—all Write operations.

From the tool's definition Tool name 'manage_distribution_lists' combined with sibling tools on a Microsoft Graph API gateway (call_microsoft_api, execute_graph_batch, create_intune_policy) that collectively access 1000+ endpoints for managing Microsoft 365 services.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

manage_distribution_lists Rate-limited

manage_distribution_lists stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "manage_distribution_lists": {
      "limits": [
        {
          "counter": "manage_distribution_lists_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Microsoft 365 Core MCP Server, so you can run agents against it safely.

FAQ

Questions about manage_distribution_lists

What does the manage_distribution_lists tool do? +

manage_distribution_lists. It is categorised as a Write tool in the Microsoft 365 Core MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on manage_distribution_lists? +

Register the Microsoft 365 Core MCP Server MCP server in PolicyLayer and add a rule for manage_distribution_lists: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Microsoft 365 Core MCP Server. Nothing to install.

What risk level is manage_distribution_lists? +

manage_distribution_lists is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit manage_distribution_lists? +

Yes. Add a rate_limit block to the manage_distribution_lists rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block manage_distribution_lists completely? +

Set action: deny in the PolicyLayer policy for manage_distribution_lists. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides manage_distribution_lists? +

manage_distribution_lists is provided by the Microsoft 365 Core MCP Server MCP server (roycedamien/m365-core-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.