m365_list_contacts
List contacts from your Microsoft 365 / Outlook address book.
This record as markdown: /tools/com-local-mcp-local-mcp/m365-list-contacts.md
What m365_list_contacts does on Local
AI agents call m365_list_contacts to retrieve information from Local without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | integer | — | Max contacts to return (default 50, max 100) |
Parameters from the server's own tool schema.
Why m365_list_contacts is rated Low
This tool queries and returns contact information from Microsoft 365 without creating, modifying, or deleting any data. It is a pure read operation. Severity is medium (not low) because exposure of contact data could enable spam, phishing, or social engineering attacks, and contacts often contain sensitive information about an organization's relationships.
From the tool's definition Tool description states 'List contacts' which retrieves contact data from address book without modification.
Attacks that exploit this kind of access
The rule that runs m365_list_contacts safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Local, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For m365_list_contacts, this is the rule to start with:
m365_list_contacts is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Local, apply this rule, and every m365_list_contacts call is checked against it from then on.
Questions about m365_list_contacts
List contacts from your Microsoft 365 / Outlook address book. It is categorised as a Read tool in the Local MCP Server, which means it retrieves data without modifying state.
m365_list_contacts accepts 1 parameter: limit. The full parameter table on this page comes from the server's own tool schema.
Register the Local MCP server in PolicyLayer and add a rule for m365_list_contacts: 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 Local. Nothing to install.
m365_list_contacts is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the m365_list_contacts 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.
Set action: deny in the PolicyLayer policy for m365_list_contacts. 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.
m365_list_contacts is provided by the Local MCP server (local-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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