updateUserVerifyRegistration

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/updateuserverifyregistration.md

WHAT IT DOES

What updateUserVerifyRegistration does on Fusionauth

AI agents use updateUserVerifyRegistration 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 updateUserVerifyRegistration is rated Medium

This tool creates or modifies registration verification data (new verification IDs, email sends) without permanently destroying information. It's reversible—new verification IDs can be generated, emails can be resent, and the underlying user data remains intact.

From the tool's definition Tool performs 're-sends the application registration verification email' and 'Generate a new Application Registration Verification Id', which are state-changing operations that create or modify verification records.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs updateUserVerifyRegistration 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 updateUserVerifyRegistration, this is the rule to start with:

updateUserVerifyRegistration Rate-limited

updateUserVerifyRegistration 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": {
    "updateUserVerifyRegistration": {
      "limits": [
        {
          "counter": "updateuserverifyregistration_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 updateUserVerifyRegistration call is checked against it from then on.

FAQ

Questions about updateUserVerifyRegistration

What does the updateUserVerifyRegistration tool do? +

Re-sends the application registration verification email to the user. OR Generate a new Application Registration Verification Id to be used with the Verify Registration API. This API will not attempt to send an email to the User. This API may be used to collect the verificationId for use with a third party system. 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 updateUserVerifyRegistration? +

Register the Fusionauth MCP server in PolicyLayer and add a rule for updateUserVerifyRegistration: 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 updateUserVerifyRegistration? +

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

Can I rate-limit updateUserVerifyRegistration? +

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

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

updateUserVerifyRegistration 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.

KEEP EXPLORING

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