retrieveUserChangePasswordWithId

SERVERFusionauth SOURCE@fusionauth/mcp-api

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

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

WHAT IT DOES

What retrieveUserChangePasswordWithId does on Fusionauth

AI agents call retrieveUserChangePasswordWithId to retrieve information from Fusionauth without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why retrieveUserChangePasswordWithId is rated Low

This tool performs a read-only check to determine whether a trust token is required before a password change operation can proceed. It queries user state (two-factor authentication status) and returns a boolean-like result (trust token required or not) with no side effects. The actual password change is a separate operation (not this tool).

From the tool's definition Tool description states 'Check to see if the user must obtain a Trust Token Id' and 'An HTTP status code of 400 with a general error code of [TrustTokenRequired] indicates that a Trust Token is required' — this is a verification/validation operation that…

Attacks that exploit this kind of access

RECOMMENDED RULE

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

retrieveUserChangePasswordWithId Allowed

retrieveUserChangePasswordWithId is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "retrieveUserChangePasswordWithId": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about retrieveUserChangePasswordWithId

What does the retrieveUserChangePasswordWithId tool do? +

Check to see if the user must obtain a Trust Token Id in order to complete a change password request. When a user has enabled Two-Factor authentication, before you are allowed to use the Change Password API to change your password, you must obtain a Trust Token by completing a Two-Factor Step-Up authentication. An HTTP status code of 400 with a general error code of [TrustTokenRequired] indicates that a Trust Token is required to make a POST request to this API. OR Check to see if the user must obtain a Trust Token Id in order to complete a change password request. When a user has enabled Two-Factor authentication, before you are allowed to use the Change Password API to change your password, you must obtain a Trust Token by completing a Two-Factor Step-Up authentication. An HTTP status code of 400 with a general error code of [TrustTokenRequired] indicates that a Trust Token is required to make a POST request to this API. It is categorised as a Read tool in the Fusionauth MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on retrieveUserChangePasswordWithId? +

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

retrieveUserChangePasswordWithId is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit retrieveUserChangePasswordWithId? +

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

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

retrieveUserChangePasswordWithId 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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