createEmailTemplateWithId

Creates an email template. You can optionally specify an Id for the template, if not provided one will be generated.

SERVERFusionauth SOURCE@fusionauth/mcp-api

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-fusionauth-mcp-api/createemailtemplatewithid.md

WHAT IT DOES

What createEmailTemplateWithId does on Fusionauth

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

RISK

Why createEmailTemplateWithId is rated Medium

This is a Write operation because it creates (inserts) new email templates into the system. Creation is reversible (templates can be deleted), so it does not qualify as Destructive.

From the tool's definition Tool description states 'Creates an email template' - a reversible creation operation that modifies persistent data in FusionAuth's email template system.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs createEmailTemplateWithId safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Fusionauth, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For createEmailTemplateWithId, this is the rule to start with:

createEmailTemplateWithId Rate-limited

createEmailTemplateWithId 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": {
    "createEmailTemplateWithId": {
      "limits": [
        {
          "counter": "createemailtemplatewithid_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Fusionauth, apply this rule, and every createEmailTemplateWithId call is checked against it from then on.

FAQ

Questions about createEmailTemplateWithId

What does the createEmailTemplateWithId tool do? +

Creates an email template. You can optionally specify an Id for the template, if not provided one will be generated. It is categorised as a Write tool in the Fusionauth MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on createEmailTemplateWithId? +

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

What risk level is createEmailTemplateWithId? +

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

Can I rate-limit createEmailTemplateWithId? +

Yes. Add a rate_limit block to the createEmailTemplateWithId 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 createEmailTemplateWithId completely? +

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

createEmailTemplateWithId is provided by the Fusionauth MCP server (@fusionauth/mcp-api). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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