list_address_books

List all address books available to the current user, including their display names and metadata.

SERVERAIquila — Nextcloud MCP Server SOURCEelgorro/aiquila

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/aiquila-nextcloud-mcp-server/list-address-books.md

WHAT IT DOES

What list_address_books does on AIquila — Nextcloud MCP Server

AI agents call list_address_books to retrieve information from AIquila — Nextcloud 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_address_books is rated Low

This tool retrieves and enumerates existing address books without creating, modifying, deleting, or executing any operations. It is a straightforward read operation that queries metadata about available resources.

From the tool's definition Tool name is 'list_address_books' and description states it 'List[s] all address books available to the current user' — a pure query operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_address_books safely

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

list_address_books Allowed

list_address_books 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_address_books": {}
  }
}

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

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

FAQ

Questions about list_address_books

What does the list_address_books tool do? +

List all address books available to the current user, including their display names and metadata. It is categorised as a Read tool in the AIquila — Nextcloud MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_address_books? +

Register the AIquila — Nextcloud MCP Server MCP server in PolicyLayer and add a rule for list_address_books: 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 AIquila — Nextcloud MCP Server. Nothing to install.

What risk level is list_address_books? +

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

Can I rate-limit list_address_books? +

Yes. Add a rate_limit block to the list_address_books 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_address_books completely? +

Set action: deny in the PolicyLayer policy for list_address_books. 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_address_books? +

list_address_books is provided by the AIquila — Nextcloud MCP Server MCP server (elgorro/aiquila). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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