Get detailed information about a specific email
AI agents call get_gmail_email_detail to retrieve information from MCP Email Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries email data from a Gmail account without creating, modifying, deleting, or executing any operations. It has no side effects on the email system beyond fetching information. The blast radius of misuse is limited to information disclosure of email contents that the authenticated user already has access to.
From the tool's definition Tool name 'get_gmail_email_detail' and description 'Get detailed information about a specific email' indicate a retrieval operation with no modification or deletion.
Attacks that exploit this kind of access
Get detailed information about a specific email. It is categorised as a Read tool in the MCP Email Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Email Server MCP server in PolicyLayer and add a rule for get_gmail_email_detail: 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 Email Server. Nothing to install.
get_gmail_email_detail 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_gmail_email_detail 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_gmail_email_detail. 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_gmail_email_detail is provided by the MCP Email Server MCP server (kentaroh7777/mcp-email-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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