remove_requested_reviewers · Mcp Gmail MCP: Risk & Policy

WHAT IT DOES

What remove_requested_reviewers does on Mcp Gmail

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

WHY IT NEEDS A POLICY

Why remove_requested_reviewers needs a policy

Removing requested reviewers modifies the state of a pull request by changing its reviewer list. This is reversible (reviewers can be re-added), so it falls under Write rather than Destructive. Misuse could disrupt code review workflows, giving it medium severity.

From the tool's definition Remove requested reviewers from a pull request

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

remove_requested_reviewers Rate-limited

remove_requested_reviewers 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": {
    "remove_requested_reviewers": {
      "limits": [
        {
          "counter": "remove_requested_reviewers_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 Gmail, so you can run agents against it safely.

FAQ

Questions about remove_requested_reviewers

What does the remove_requested_reviewers tool do? +

Remove requested reviewers from a pull request. It is categorised as a Write tool in the Mcp Gmail MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on remove_requested_reviewers? +

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

What risk level is remove_requested_reviewers? +

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

Can I rate-limit remove_requested_reviewers? +

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

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

remove_requested_reviewers is provided by the Mcp Gmail MCP server (@monsoft/mcp-gmail). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.