GOOGLESUPER_FORWARD_MESSAGE

Forward an existing Gmail message to specified recipients, preserving original body and attachments.

SERVERGoogle Super SOURCEgooglesuper

Medium RISK CLASS

Category Write

Parameters 40 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/googlesuper/googlesuper-forward-message.md

WHAT IT DOES

What GOOGLESUPER_FORWARD_MESSAGE does on Google Super

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

Parameter	Type	Required	Description
`user_id`	string	—	User's email address or 'me' for the authenticated user.
`message_id`	string	—	ID of the message to forward, obtainable from actions like 'List Messages'.
`additional_text`	string	—	Optional additional text to include before the forwarded content.
`recipient_email`	string	—	Email address to forward the message to.

Parameters from the server's own tool schema.

RISK

Why GOOGLESUPER_FORWARD_MESSAGE is rated Medium

Forwarding a message creates a new outbound email sent to specified recipients. This is a Write action (creating/sending a new message) rather than Execute or Destructive. However, severity is high because an AI agent could leak sensitive email content and attachments to unintended recipients, potentially causing data exposure or privacy breaches.

From the tool's definition Forward an existing Gmail message to specified recipients, preserving original body and attachments.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs GOOGLESUPER_FORWARD_MESSAGE safely

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

GOOGLESUPER_FORWARD_MESSAGE Rate-limited

GOOGLESUPER_FORWARD_MESSAGE 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": {
    "GOOGLESUPER_FORWARD_MESSAGE": {
      "limits": [
        {
          "counter": "googlesuper_forward_message_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 Google Super, apply this rule, and every GOOGLESUPER_FORWARD_MESSAGE call is checked against it from then on.

FAQ

Questions about GOOGLESUPER_FORWARD_MESSAGE

What does the GOOGLESUPER_FORWARD_MESSAGE tool do? +

Forward an existing Gmail message to specified recipients, preserving original body and attachments. It is categorised as a Write tool in the Google Super MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does GOOGLESUPER_FORWARD_MESSAGE accept? +

GOOGLESUPER_FORWARD_MESSAGE accepts 4 parameters: user_id, message_id, additional_text, recipient_email. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on GOOGLESUPER_FORWARD_MESSAGE? +

Register the Google Super MCP server in PolicyLayer and add a rule for GOOGLESUPER_FORWARD_MESSAGE: 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 Google Super. Nothing to install.

What risk level is GOOGLESUPER_FORWARD_MESSAGE? +

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

Can I rate-limit GOOGLESUPER_FORWARD_MESSAGE? +

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

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

GOOGLESUPER_FORWARD_MESSAGE is provided by the Google Super MCP server (googlesuper). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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forward-email on Meme MCP Server → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →