create_contact_activity · CATS MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_contact_activity does on CATS MCP Server

AI agents use create_contact_activity to create or update resources in CATS MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CATS MCP Server environment.

WHY IT NEEDS A POLICY

Why create_contact_activity needs a policy

The tool creates contact activity records in the ATS system, which modifies data reversibly (activities can typically be edited or deleted later). This is a Write operation rather than Read (no retrieval indicated), Execute (no code/command execution), or Destructive (creation is reversible).

From the tool's definition Tool name 'create_contact_activity' indicates creation of data. Server context shows this is part of CATS applicant tracking system with tools like 'attach_contact_tags' and other contact management functions.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_contact_activity Rate-limited

create_contact_activity 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": {
    "create_contact_activity": {
      "limits": [
        {
          "counter": "create_contact_activity_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 CATS MCP Server, so you can run agents against it safely.

FAQ

Questions about create_contact_activity

What does the create_contact_activity tool do? +

create_contact_activity. It is categorised as a Write tool in the CATS MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_contact_activity? +

Register the CATS MCP Server MCP server in PolicyLayer and add a rule for create_contact_activity: 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 CATS MCP Server. Nothing to install.

What risk level is create_contact_activity? +

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

Can I rate-limit create_contact_activity? +

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

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

create_contact_activity is provided by the CATS MCP Server MCP server (vanman2024/cats-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.