list_contacts

List contacts for the mailbox with optional search and pagination.

SERVERTrekMail MCP Server SOURCEtrekmail/mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/trekmail-mcp-server/list-contacts.md

WHAT IT DOES

What list_contacts does on TrekMail MCP Server

AI agents call list_contacts to retrieve information from TrekMail MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_contacts is rated Low

This tool retrieves and queries contact data from a mailbox. The verbs 'list' and the optional 'search' parameters confirm it performs read-only operations without modifying, deleting, or executing any actions. Pagination suggests standard data retrieval. No destructive, financial, or executable side effects are possible.

From the tool's definition Tool name 'list_contacts' and description 'List contacts for the mailbox with optional search and pagination' indicate a retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_contacts safely

PolicyLayer is an MCP gateway: it sits between your AI agents and TrekMail MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_contacts, this is the rule to start with:

list_contacts Allowed

list_contacts is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_contacts": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect TrekMail MCP Server, apply this rule, and every list_contacts call is checked against it from then on.

FAQ

Questions about list_contacts

What does the list_contacts tool do? +

List contacts for the mailbox with optional search and pagination. It is categorised as a Read tool in the TrekMail MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_contacts? +

Register the TrekMail MCP Server MCP server in PolicyLayer and add a rule for 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 TrekMail MCP Server. Nothing to install.

What risk level is list_contacts? +

list_contacts is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_contacts? +

Yes. Add a rate_limit block to the 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.

How do I block list_contacts completely? +

Set action: deny in the PolicyLayer policy for 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.

What MCP server provides list_contacts? +

list_contacts is provided by the TrekMail MCP Server MCP server (trekmail/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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