Get emails from the sent folder.
AI agents call get_sent_emails to retrieve information from Gmail MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical email data from the user's sent folder without modifying, deleting, or executing any actions. It is a simple read operation. The severity is low because while it accesses potentially sensitive email content, it is read-only and does not allow side effects or further operations.
From the tool's definition Tool name 'get_sent_emails' and description 'Get emails from the sent folder' indicate a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Get emails from the sent folder. It is categorised as a Read tool in the Gmail MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Gmail MCP Server MCP server in PolicyLayer and add a rule for get_sent_emails: 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.
get_sent_emails is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_sent_emails 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 get_sent_emails. 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.
get_sent_emails is provided by the Gmail MCP Server MCP server (nisalgunawardhana/gmail-mcp-server). 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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