updateActivitySubscription · Xdevplatform/x MCP

WHAT IT DOES

What updateActivitySubscription does on Xdevplatform/xmcp

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

WHY IT NEEDS A POLICY

Why updateActivitySubscription needs a policy

This tool modifies subscription configuration settings, which is a reversible Write operation. While activity subscriptions may have business implications, the tool itself merely updates configuration rather than processing payments or destructively removing data. Severity is medium because misconfiguration could affect notifications or integrations, but changes are generally reversible.

From the tool's definition Tool name 'updateActivitySubscription' and description 'Update an activity subscription configuration' indicate modification of existing subscription settings without deletion or financial transactions.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

updateActivitySubscription Rate-limited

updateActivitySubscription 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": {
    "updateActivitySubscription": {
      "limits": [
        {
          "counter": "updateactivitysubscription_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 Xdevplatform/xmcp, so you can run agents against it safely.

FAQ

Questions about updateActivitySubscription

What does the updateActivitySubscription tool do? +

Update an activity subscription configuration. It is categorised as a Write tool in the Xdevplatform/xmcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on updateActivitySubscription? +

Register the Xdevplatform/x MCP server in PolicyLayer and add a rule for updateActivitySubscription: 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 Xdevplatform/xmcp. Nothing to install.

What risk level is updateActivitySubscription? +

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

Can I rate-limit updateActivitySubscription? +

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

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

updateActivitySubscription is provided by the Xdevplatform/x MCP server (xdevplatform/xmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.