add_activity_to_incident · Mcp Grafana MCP: Risk & Policy

WHAT IT DOES

What add_activity_to_incident does on Mcp Grafana

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

WHY IT NEEDS A POLICY

Why add_activity_to_incident needs a policy

This tool creates or appends new data (a note activity) to an existing incident, which is a reversible modification. It does not delete, destroy, or execute arbitrary code. It does not move money. The action is a standard write operation that can be undone (the note can be removed).

From the tool's definition Tool description states 'Add a note (userNote activity) to an existing incident' - this creates new data (a note/activity entry) within an incident record, modifying the incident's state reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_activity_to_incident Rate-limited

add_activity_to_incident 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_activity_to_incident": {
      "limits": [
        {
          "counter": "add_activity_to_incident_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 Mcp Grafana, so you can run agents against it safely.

FAQ

Questions about add_activity_to_incident

What does the add_activity_to_incident tool do? +

Add a note (userNote activity) to an existing incident\. It is categorised as a Write tool in the Mcp Grafana 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_activity_to_incident? +

Register the Mcp Grafana MCP server in PolicyLayer and add a rule for add_activity_to_incident: 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 Mcp Grafana. Nothing to install.

What risk level is add_activity_to_incident? +

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

Can I rate-limit add_activity_to_incident? +

Yes. Add a rate_limit block to the add_activity_to_incident 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_activity_to_incident completely? +

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

add_activity_to_incident is provided by the Mcp Grafana MCP server (@leval/mcp-grafana). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.