create_meeting

Create Teams meeting

SERVERNcp SOURCE@portel/ncp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-portel-dev-ncp/create-meeting.md

WHAT IT DOES

What create_meeting does on Ncp

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

RISK

Why create_meeting is rated Medium

Creating a meeting is a reversible write operation (meetings can be cancelled/deleted). It may send invites to participants, but the primary action is creating a new resource. No financial transactions, destructive actions, or code execution involved.

From the tool's definition 'Create Teams meeting' — creates a new calendar/meeting resource in Microsoft Teams

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_meeting safely

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

create_meeting Rate-limited

create_meeting 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_meeting": {
      "limits": [
        {
          "counter": "create_meeting_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about create_meeting

What does the create_meeting tool do? +

Create Teams meeting. It is categorised as a Write tool in the Ncp 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_meeting? +

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

What risk level is create_meeting? +

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

Can I rate-limit create_meeting? +

Yes. Add a rate_limit block to the create_meeting 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_meeting completely? +

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

create_meeting is provided by the Ncp MCP server (@portel/ncp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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