retrieveRefreshTokensWithId

Retrieves the refresh tokens that belong to the user with the given Id.

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/retrieverefreshtokenswithid.md

WHAT IT DOES

What retrieveRefreshTokensWithId does on Fusionauth

AI agents call retrieveRefreshTokensWithId 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 retrieveRefreshTokensWithId is rated Low

This tool retrieves sensitive authentication credentials (refresh tokens) from a user account. While it is a Read operation with no side effects, the severity is elevated to medium because refresh tokens are highly sensitive security artifacts that could be abused by an attacker to impersonate users or escalate privileges if exposed.

From the tool's definition Tool name contains 'Retrieves' and description states 'Retrieves the refresh tokens that belong to the user with the given Id.' This is a data retrieval operation with no modification of data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

retrieveRefreshTokensWithId Allowed

retrieveRefreshTokensWithId 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": {
    "retrieveRefreshTokensWithId": {}
  }
}

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 retrieveRefreshTokensWithId call is checked against it from then on.

FAQ

Questions about retrieveRefreshTokensWithId

What does the retrieveRefreshTokensWithId tool do? +

Retrieves the refresh tokens that belong to the user with the given Id. 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 retrieveRefreshTokensWithId? +

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

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

Can I rate-limit retrieveRefreshTokensWithId? +

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

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

retrieveRefreshTokensWithId 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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