AI agents call get-email-templates to retrieve information from SMTP MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation—it retrieves email templates from storage. It has no side effects, does not create, modify, or delete data, and does not execute code or trigger external operations. It falls squarely into the Read category.
From the tool's definition Tool name 'get-email-templates' and description 'Get all email templates' indicate a retrieval operation that queries stored templates without modifying, deleting, or executing any code.
Documented attack patterns abuse exactly the kind of access get-email-templates gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and SMTP MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get-email-templates:
{
"version": "1",
"default": "deny",
"tools": {
"get-email-templates": {}
}
} get-email-templates is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all email templates. It is categorised as a Read tool in the SMTP MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SMTP MCP Server MCP server in PolicyLayer and add a rule for get-email-templates: 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 SMTP MCP Server. Nothing to install.
get-email-templates 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-email-templates 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-email-templates. 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-email-templates is provided by the SMTP MCP Server MCP server (samihalawa/mcp-server-smtp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from SMTP MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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11 SMTP MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.