create_email_address · Agentline MCP: Risk & Policy

WHAT IT DOES

What create_email_address does on Agentline

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

WHY IT NEEDS A POLICY

Why create_email_address needs a policy

Creating an email address is a reversible write operation that modifies state by adding a new resource. While the empty description limits certainty, the tool name and server context (provisioning communication infrastructure for agents) clearly indicate data creation.

From the tool's definition Tool name is 'create_email_address' and server provides 'email' capabilities for AI agents. Sibling tools include 'release_email_address' (destructive counterpart) and 'list_email_addresses' (read counterpart), establishing this as a data creation operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_email_address Rate-limited

create_email_address 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_email_address": {
      "limits": [
        {
          "counter": "create_email_address_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about create_email_address

What does the create_email_address tool do? +

create_email_address. It is categorised as a Write tool in the Agentline 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_email_address? +

Register the Agentline MCP server in PolicyLayer and add a rule for create_email_address: 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 Agentline. Nothing to install.

What risk level is create_email_address? +

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

Can I rate-limit create_email_address? +

Yes. Add a rate_limit block to the create_email_address 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_email_address completely? +

Set action: deny in the PolicyLayer policy for create_email_address. 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_email_address? +

create_email_address is provided by the Agentline MCP server (jgottlieb84/agentline-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.