subscribe · iTerm MCP: Risk & Policy

WHAT IT DOES

What subscribe does on iTerm MCP

AI agents call subscribe as a supporting operation in iTerm MCP workflows.

WHY IT NEEDS A POLICY

Why subscribe needs a policy

With no description provided, the tool's behavior cannot be determined from the available information. The name 'subscribe' could suggest listening to events or messages (a Read-like operation), but given the server context of iTerm2 terminal session management and AI orchestration, it might relate to subscribing to a message bus or event stream.

From the tool's definition Tool name is 'subscribe' with an empty description. No functional details are available to determine what this tool does.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

subscribe Rate-limited

subscribe gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "subscribe": {
      "limits": [
        {
          "counter": "subscribe_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches iTerm MCP, so you can run agents against it safely.

FAQ

Questions about subscribe

What does the subscribe tool do? +

subscribe. It is categorised as a Other tool in the iTerm MCP MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on subscribe? +

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

What risk level is subscribe? +

subscribe is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit subscribe? +

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

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

subscribe is provided by the iTerm MCP server (research-developer/iterm-mcp-claude-agency). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.