finishCalendar · Lofty MCP Server MCP: Risk & Policy

WHAT IT DOES

What finishCalendar does on Lofty MCP Server

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

WHY IT NEEDS A POLICY

Why finishCalendar needs a policy

This tool updates the status of a calendar item to 'finished', which is a reversible state change (write/update operation). It modifies existing data but does not delete it or trigger financial transactions. Misuse could cause scheduling confusion but is not catastrophic.

From the tool's definition Mark a calendar item as finished

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

finishCalendar Rate-limited

finishCalendar 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": {
    "finishCalendar": {
      "limits": [
        {
          "counter": "finishcalendar_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 Lofty MCP Server, so you can run agents against it safely.

FAQ

Questions about finishCalendar

What does the finishCalendar tool do? +

Mark a calendar item as finished (v2 API). Calendar IDs are composite strings like. It is categorised as a Write tool in the Lofty 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 finishCalendar? +

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

What risk level is finishCalendar? +

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

Can I rate-limit finishCalendar? +

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

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

finishCalendar is provided by the Lofty MCP Server MCP server (nerdsnipe-inc/lofty-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.