send_introduction_email · Gmail MCP Server MCP

WHAT IT DOES

What send_introduction_email does on Gmail MCP Server

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

WHY IT NEEDS A POLICY

Why send_introduction_email needs a policy

The tool sends emails, which is a reversible write operation—emails can be unsent (within seconds in Gmail) or deleted afterward. It does not execute arbitrary code, delete data irreversibly, move money, or have uncontrolled side effects.

From the tool's definition Tool name 'send_introduction_email' and description 'Send a professional introduction email' clearly indicate the tool creates and sends new email messages. This is a Write operation that creates new data (email messages) in Gmail.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send_introduction_email Rate-limited

send_introduction_email 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": {
    "send_introduction_email": {
      "limits": [
        {
          "counter": "send_introduction_email_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 Gmail MCP Server, so you can run agents against it safely.

FAQ

Questions about send_introduction_email

What does the send_introduction_email tool do? +

Send a professional introduction email. It is categorised as a Write tool in the Gmail MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on send_introduction_email? +

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

What risk level is send_introduction_email? +

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

Can I rate-limit send_introduction_email? +

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

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

send_introduction_email is provided by the Gmail MCP Server MCP server (nasirhuss86/gmail-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.