create_filter_from_template · Gmail AutoAuth MCP Server MCP

WHAT IT DOES

What create_filter_from_template does on Gmail AutoAuth MCP Server

AI agents use create_filter_from_template to create or update resources in Gmail AutoAuth MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Gmail AutoAuth MCP Server environment.

WHY IT NEEDS A POLICY

Why create_filter_from_template needs a policy

Filter creation is a reversible write operation that modifies Gmail configuration by adding email filtering rules. While filters can affect email behavior and visibility, they do not delete data, execute arbitrary code, or involve financial transactions. The use of pre-defined templates constrains potential misuse compared to unrestricted filter creation.

From the tool's definition Tool is named 'create_filter_from_template' and described as 'Creates a filter using a pre-defined template for common scenarios'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_filter_from_template Rate-limited

create_filter_from_template stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_filter_from_template": {
      "limits": [
        {
          "counter": "create_filter_from_template_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Gmail AutoAuth MCP Server, so you can run agents against it safely.

FAQ

Questions about create_filter_from_template

What does the create_filter_from_template tool do? +

Creates a filter using a pre-defined template for common scenarios. It is categorised as a Write tool in the Gmail AutoAuth MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_filter_from_template? +

Register the Gmail AutoAuth MCP Server MCP server in PolicyLayer and add a rule for create_filter_from_template: 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 AutoAuth MCP Server. Nothing to install.

What risk level is create_filter_from_template? +

create_filter_from_template is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_filter_from_template? +

Yes. Add a rate_limit block to the create_filter_from_template 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.

How do I block create_filter_from_template completely? +

Set action: deny in the PolicyLayer policy for create_filter_from_template. 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.

What MCP server provides create_filter_from_template? +

create_filter_from_template is provided by the Gmail AutoAuth MCP Server MCP server (rmcaccounting/gmail-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.