mail_delete_message

Delete an email message by ID. This typically moves it to trash.

SERVERAIquila — Nextcloud MCP Server SOURCEelgorro/aiquila

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aiquila-nextcloud-mcp-server/mail-delete-message.md

WHAT IT DOES

What mail_delete_message does on AIquila — Nextcloud MCP Server

AI agents call mail_delete_message to permanently remove resources in AIquila — Nextcloud MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why mail_delete_message is rated Critical

Email deletion is a destructive action that removes data from the user's mailbox. While the description notes it 'typically' moves to trash (suggesting potential reversibility), deletion operations are classified as Destructive because they remove user data and the outcome depends on system configuration. An AI agent misusing this tool could delete important emails, with potential business or personal consequences.

From the tool's definition Tool name contains 'delete' and description states 'Delete an email message by ID. This typically moves it to trash.'

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mail_delete_message 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 mail_delete_message, this is the rule to start with:

mail_delete_message Hidden

mail_delete_message is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "mail_delete_message"
  ]
}

RESTRICT 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 mail_delete_message call is checked against it from then on.

FAQ

Questions about mail_delete_message

What does the mail_delete_message tool do? +

Delete an email message by ID. This typically moves it to trash. It is categorised as a Destructive tool in the AIquila — Nextcloud MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on mail_delete_message? +

Register the AIquila — Nextcloud MCP Server MCP server in PolicyLayer and add a rule for mail_delete_message: 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 mail_delete_message? +

mail_delete_message is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit mail_delete_message? +

Yes. Add a rate_limit block to the mail_delete_message 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 mail_delete_message completely? +

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

mail_delete_message 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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