send_email_with_multiple_attachments
AI agents use send_email_with_multiple_attachments 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.
Sending emails is a Write operation that creates new data (outbound messages) with reversible side effects. Severity is high because an AI agent with this capability could send spam, phishing emails, or other malicious correspondence at scale, impacting both the account holder and recipients. However, it does not meet Destructive, Execute, or Financial thresholds.
From the tool's definition Tool name indicates sending emails with attachments. Server description states tool enables 'sending' emails. The sibling tools include 'send_email' operations and email management functions, confirming this is an email sending tool.
Attacks that exploit this kind of access
send_email_with_multiple_attachments. 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.
Register the Gmail MCP Server MCP server in PolicyLayer and add a rule for send_email_with_multiple_attachments: 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.
send_email_with_multiple_attachments 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 send_email_with_multiple_attachments 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 send_email_with_multiple_attachments. 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.
send_email_with_multiple_attachments is provided by the Gmail MCP Server MCP server (meyannis/mcpgmail). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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