keyid_create_contact · KeyID Agent Kit MCP: Risk & Policy

WHAT IT DOES

What keyid_create_contact does on KeyID Agent Kit

AI agents use keyid_create_contact to create or update resources in KeyID Agent Kit — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your KeyID Agent Kit environment.

WHY IT NEEDS A POLICY

Why keyid_create_contact needs a policy

This tool creates new contacts in the email system, which is a write operation that modifies the user's contact list. While reversible (contacts can be deleted), it represents data creation that could be abused to pollute contact lists, create fraudulent entries, or establish infrastructure for spam/phishing campaigns.

From the tool's definition Tool name 'keyid_create_contact' and description 'Create a new contact' indicate irreversible creation of new data in the contact management system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

keyid_create_contact Rate-limited

keyid_create_contact stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "keyid_create_contact": {
      "limits": [
        {
          "counter": "keyid_create_contact_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches KeyID Agent Kit, so you can run agents against it safely.

FAQ

Questions about keyid_create_contact

What does the keyid_create_contact tool do? +

Create a new contact. It is categorised as a Write tool in the KeyID Agent Kit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on keyid_create_contact? +

Register the KeyID Agent Kit MCP server in PolicyLayer and add a rule for keyid_create_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 KeyID Agent Kit. Nothing to install.

What risk level is keyid_create_contact? +

keyid_create_contact is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit keyid_create_contact? +

Yes. Add a rate_limit block to the keyid_create_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 keyid_create_contact completely? +

Set action: deny in the PolicyLayer policy for keyid_create_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 keyid_create_contact? +

keyid_create_contact is provided by the KeyID Agent Kit MCP server (keyid-ai/agent-kit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.