retrieveTwoFactorRecoveryCodesWithId
Retrieve two-factor recovery codes for a user.
This record as markdown: /tools/io-fusionauth-mcp-api/retrievetwofactorrecoverycodeswithid.md
What retrieveTwoFactorRecoveryCodesWithId does on Fusionauth
AI agents call retrieveTwoFactorRecoveryCodesWithId 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 retrieveTwoFactorRecoveryCodesWithId is rated Low
The tool retrieves sensitive authentication recovery codes but does not modify, delete, or execute actions. However, severity is elevated to 'high' because the data retrieved (2FA recovery codes) is highly sensitive—if exposed to an unauthorized AI agent, these codes could be used to bypass multi-factor authentication for the target user, compromising account security.
From the tool's definition Tool name contains 'Retrieve' and description states 'Retrieve two-factor recovery codes for a user.' This is a data retrieval operation with no modification or deletion.
Attacks that exploit this kind of access
The rule that runs retrieveTwoFactorRecoveryCodesWithId 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 retrieveTwoFactorRecoveryCodesWithId, this is the rule to start with:
retrieveTwoFactorRecoveryCodesWithId 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 retrieveTwoFactorRecoveryCodesWithId call is checked against it from then on.
Questions about retrieveTwoFactorRecoveryCodesWithId
Retrieve two-factor recovery codes for a user. 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 retrieveTwoFactorRecoveryCodesWithId: 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.
retrieveTwoFactorRecoveryCodesWithId 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 retrieveTwoFactorRecoveryCodesWithId 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 retrieveTwoFactorRecoveryCodesWithId. 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.
retrieveTwoFactorRecoveryCodesWithId 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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