gmail_list_drafts

THE RISK

Low Risk

Why gmail_list_drafts needs a policy

This tool queries and retrieves draft email messages without creating, modifying, deleting, or sending anything. It is a pure read operation with minimal blast radius if misused by an AI agent (at worst, it exposes draft content to the agent, which is a confidentiality concern but not destructive or operational).

From the tool's definition Tool name and description indicate it 'Lists Gmail drafts' and 'Returns each draft' — a retrieval operation with no modification or deletion of data.

Documented attack patterns abuse exactly the kind of access gmail_list_drafts gives an agent:

POLICY

How to control gmail_list_drafts

PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Google Workspace Server, and nothing reaches the server without passing your rules. This is the rule we recommend for gmail_list_drafts:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "gmail_list_drafts": {}
  }
}

gmail_list_drafts is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register MCP Google Workspace Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More MCP Google Workspace Server tools

Destructive calendar_delete_event Deletes an event from the specified Google Calendar. Destructive gmail_delete_draft Deletes a Gmail draft message by its ID. This action cannot be undone. Write calendar_create_event Creates a new event in the specified Google Calendar. Write gmail_archive Archives a Gmail message by removing it from the inbox. Write gmail_bulk_archive Archives multiple Gmail messages by removing them from the inbox. Write gmail_bulk_save_attachments Saves multiple Gmail attachments to disk by their message IDs and attachment IDs in a sing Write gmail_create_draft Creates a draft email message from scratch in Gmail with specified recipient, subject, bod Read calendar_get_events Retrieves calendar events from the user\

All 16 MCP Google Workspace Server tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about gmail_list_drafts

What does the gmail_list_drafts tool do? +

Lists Gmail drafts for the user. Returns each draft. It is categorised as a Read tool in the MCP Google Workspace Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on gmail_list_drafts? +

Register the MCP Google Workspace Server MCP server in PolicyLayer and add a rule for gmail_list_drafts: 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 Google Workspace Server. Nothing to install.

What risk level is gmail_list_drafts? +

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

Can I rate-limit gmail_list_drafts? +

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

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

gmail_list_drafts is provided by the MCP Google Workspace Server MCP server (j3k0/mcp-google-workspace). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP Google Workspace Server tool call.

Start from MCP Google Workspace Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →