removeUserFromFamilyWithId

Removes a user from the family with the given Id.

SERVERFusionauth SOURCE@fusionauth/mcp-api

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

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

WHAT IT DOES

What removeUserFromFamilyWithId does on Fusionauth

AI agents call removeUserFromFamilyWithId to permanently remove resources in Fusionauth, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why removeUserFromFamilyWithId is rated Critical

Removing a user from a family is an irreversible deletion of a relationship/membership record. This action cannot be undone without re-adding the user, and has significant access/permission implications. The word 'removes' indicates a destructive operation on an existing association.

From the tool's definition Removes a user from the family with the given Id

Attacks that exploit this kind of access

RECOMMENDED RULE

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

removeUserFromFamilyWithId Hidden

removeUserFromFamilyWithId is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "removeUserFromFamilyWithId"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about removeUserFromFamilyWithId

What does the removeUserFromFamilyWithId tool do? +

Removes a user from the family with the given Id. It is categorised as a Destructive tool in the Fusionauth MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on removeUserFromFamilyWithId? +

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

removeUserFromFamilyWithId is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit removeUserFromFamilyWithId? +

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

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

removeUserFromFamilyWithId 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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