retrieveUserChangePassword
Check to see if the user must obtain a Trust Request 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 Request Id by completing a Two-Factor S...
This record as markdown: /tools/io-fusionauth-mcp-api/retrieveuserchangepassword.md
What retrieveUserChangePassword does on Fusionauth
AI agents call retrieveUserChangePassword 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.
Why retrieveUserChangePassword is rated Low
This tool performs a non-destructive information retrieval operation. It checks a condition (whether a Trust Request Id is needed) and returns status information without side effects.
From the tool's definition Tool name includes 'retrieve' and description states 'Check to see if' which indicates a query operation that returns status information about whether a Trust Token is required.
Attacks that exploit this kind of access
The rule that runs retrieveUserChangePassword 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 retrieveUserChangePassword, this is the rule to start with:
retrieveUserChangePassword is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Fusionauth, apply this rule, and every retrieveUserChangePassword call is checked against it from then on.
Questions about retrieveUserChangePassword
Check to see if the user must obtain a Trust Request 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 Request Id 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 Request 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 Request Id 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 Request 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 Request Id 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 Request 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 Request Id 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. 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.
Register the Fusionauth MCP server in PolicyLayer and add a rule for retrieveUserChangePassword: 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.
retrieveUserChangePassword is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the retrieveUserChangePassword 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.
Set action: deny in the PolicyLayer policy for retrieveUserChangePassword. 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.
retrieveUserChangePassword 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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