add_staff_to_event · Mycase MCP: Risk & Policy

WHAT IT DOES

What add_staff_to_event does on Mycase

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

WHY IT NEEDS A POLICY

Why add_staff_to_event needs a policy

This tool creates a new association (staff member to event) or modifies an existing event record by adding a staff assignment. This is a reversible write operation—the staff member can be removed from the event later. It does not execute arbitrary code, delete data irreversibly, or move money.

From the tool's definition The tool 'add_staff_to_event' performs an action described as 'Add a staff member to a calendar event,' which creates or modifies calendar event data by adding a participant.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_staff_to_event Rate-limited

add_staff_to_event 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": {
    "add_staff_to_event": {
      "limits": [
        {
          "counter": "add_staff_to_event_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 Mycase, so you can run agents against it safely.

FAQ

Questions about add_staff_to_event

What does the add_staff_to_event tool do? +

Add a staff member to a calendar event. It is categorised as a Write tool in the Mycase MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_staff_to_event? +

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

What risk level is add_staff_to_event? +

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

Can I rate-limit add_staff_to_event? +

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

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

add_staff_to_event is provided by the Mycase MCP server (rosenadvertising/mycase-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.