manage-channel-subscription

Subscribe or unsubscribe a session from a specific channel

SERVERFrontmcp SOURCEagentfront/frontmcp

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/frontmcp/manage-channel-subscription.md

WHAT IT DOES

What manage-channel-subscription does on Frontmcp

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

RISK

Why manage-channel-subscription is rated Medium

This tool modifies subscription state (creating or updating channel subscriptions for sessions), making it a Write operation. It's reversible, so not Destructive. Severity is medium because improper use could alter a session's channel access in ways that affect information flow, but the impact is localized to subscription metadata and reversible.

From the tool's definition Tool performs 'subscribe or unsubscribe' operations on a session-channel relationship, which are reversible state modifications. The description indicates it creates or modifies subscription data without deletion or financial impact.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs manage-channel-subscription safely

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

manage-channel-subscription Rate-limited

manage-channel-subscription 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": {
    "manage-channel-subscription": {
      "limits": [
        {
          "counter": "manage-channel-subscription_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 Frontmcp, apply this rule, and every manage-channel-subscription call is checked against it from then on.

FAQ

Questions about manage-channel-subscription

What does the manage-channel-subscription tool do? +

Subscribe or unsubscribe a session from a specific channel. It is categorised as a Write tool in the Frontmcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on manage-channel-subscription? +

Register the Front MCP server in PolicyLayer and add a rule for manage-channel-subscription: 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 Frontmcp. Nothing to install.

What risk level is manage-channel-subscription? +

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

Can I rate-limit manage-channel-subscription? +

Yes. Add a rate_limit block to the manage-channel-subscription 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 manage-channel-subscription completely? +

Set action: deny in the PolicyLayer policy for manage-channel-subscription. 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 manage-channel-subscription? +

manage-channel-subscription is provided by the Front MCP server (agentfront/frontmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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