Get the full content of a specific email by its Gmail message ID. Returns subject, sender, recipients, date, labels, and full body text.
AI agents call gmail_get_email 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 and queries existing email data without any side effects. It matches the Read category definition: 'retrieves or queries data; no side effects (search, list, get, fetch).' The 'get' operation and read-only access model confirm low severity risk, as misuse would only expose information the requesting party should already have access to within their own inbox.
From the tool's definition Tool name 'gmail_get_email' and description states it 'Get[s] the full content of a specific email' and 'Returns subject, sender, recipients, date, labels, and full body text.' The server description emphasizes 'read-only access to your inbox.' This is purely…
Attacks that exploit this kind of access
Get the full content of a specific email by its Gmail message ID. Returns subject, sender, recipients, date, labels, and full body text. 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 gmail_get_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.
gmail_get_email 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 gmail_get_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_get_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_get_email is provided by the Gmail MCP Server MCP server (murphy360/mcp_gmail). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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