zernio_delete_contact

Delete a contact from your Zernio CRM.

SERVERZernio SOURCEeyalm321/zernio-mcp

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/eyalm321-zernio-mcp/zernio-delete-contact.md

WHAT IT DOES

What zernio_delete_contact does on Zernio

AI agents call zernio_delete_contact to permanently remove resources in Zernio, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why zernio_delete_contact is rated Critical

The tool permanently removes contact records from a CRM system. This is a destructive operation that cannot be undone and results in loss of customer relationship data. While not as critical as financial operations, the permanent data loss and potential business impact (lost customer records, broken relationships, audit trail issues) justifies 'high' severity.

From the tool's definition Tool name is 'zernio_delete_contact' and description states 'Delete a contact from your Zernio CRM' — the word 'Delete' directly indicates irreversible removal of data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs zernio_delete_contact safely

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

zernio_delete_contact Hidden

zernio_delete_contact 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": [
    "zernio_delete_contact"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about zernio_delete_contact

What does the zernio_delete_contact tool do? +

Delete a contact from your Zernio CRM. It is categorised as a Destructive tool in the Zernio 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 zernio_delete_contact? +

Register the Zernio MCP server in PolicyLayer and add a rule for zernio_delete_contact: 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 Zernio. Nothing to install.

What risk level is zernio_delete_contact? +

zernio_delete_contact 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 zernio_delete_contact? +

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

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

zernio_delete_contact is provided by the Zernio MCP server (eyalm321/zernio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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