gmail_send_email
Send an email via Gmail
This record as markdown: /tools/io-github-alifanov-scopegate/gmail-send-email.md
What gmail_send_email does on ScopeGate
AI agents use gmail_send_email to create or update resources in ScopeGate, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ScopeGate environment.
Why gmail_send_email is rated Medium
This tool creates and sends new email messages, which is a Write operation (reversible modification of external state). Severity is high because an agent sending emails without proper intent could spam, phish, impersonate, or cause reputational harm to the account holder, though it is not Financial (no money moved) or Destructive (email can be recalled or accounts recovered).
From the tool's definition Tool name is 'gmail_send_email' and description states 'Send an email via Gmail'. The verb 'Send' indicates creation and transmission of a new message.
Attacks that exploit this kind of access
The rule that runs gmail_send_email safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ScopeGate, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gmail_send_email, this is the rule to start with:
gmail_send_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.
The button opens the PolicyLayer dashboard: create your workspace, connect ScopeGate, apply this rule, and every gmail_send_email call is checked against it from then on.
Questions about gmail_send_email
Send an email via Gmail. It is categorised as a Write tool in the ScopeGate MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the ScopeGate MCP server in PolicyLayer and add a rule for gmail_send_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 ScopeGate. Nothing to install.
gmail_send_email is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the gmail_send_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.
Set action: deny in the PolicyLayer policy for gmail_send_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.
gmail_send_email is provided by the ScopeGate MCP server (https://mcp.scopegate.cloud/{api_key}). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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