AI agents call list_contact_list_contacts to retrieve information from Frontapp MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves contact information from a contact list without side effects. It performs a read-only operation that does not modify, create, or delete any data. The blast radius of misuse is minimal; an AI agent cannot cause harm beyond viewing contacts already accessible to the authenticated user.
From the tool's definition Tool name contains 'list' verb and description states 'List contacts in a contact list' — a retrieval operation with no modification, creation, or deletion of data.
Documented attack patterns abuse exactly the kind of access list_contact_list_contacts gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Frontapp MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_contact_list_contacts:
{
"version": "1",
"default": "deny",
"tools": {
"list_contact_list_contacts": {}
}
}list_contact_list_contacts is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List contacts in a contact list. It is categorised as a Read tool in the Frontapp MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Frontapp MCP Server MCP server in PolicyLayer and add a rule for list_contact_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 Frontapp MCP Server. Nothing to install.
list_contact_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 list_contact_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 list_contact_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.
list_contact_list_contacts is provided by the Frontapp MCP Server MCP server (zqushair/frontapp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Frontapp MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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151 Frontapp MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.