searchEntitiesByIdsWithId

Retrieves the entities for the given Ids. If any Id is invalid, it is ignored.

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/searchentitiesbyidswithid.md

WHAT IT DOES

What searchEntitiesByIdsWithId does on Fusionauth

AI agents call searchEntitiesByIdsWithId 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 searchEntitiesByIdsWithId is rated Low

This tool performs a read-only operation that queries and returns entity data based on provided identifiers. There are no side effects, no data modification, no deletion, and no execution of arbitrary code. Invalid IDs are simply ignored rather than causing errors or side effects.

From the tool's definition Tool description states 'Retrieves the entities for the given Ids' - a straightforward retrieval operation with no modification, deletion, or code execution. The term 'Retrieves' is explicitly query/fetch language.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

searchEntitiesByIdsWithId Allowed

searchEntitiesByIdsWithId 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": {
    "searchEntitiesByIdsWithId": {}
  }
}

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 searchEntitiesByIdsWithId call is checked against it from then on.

FAQ

Questions about searchEntitiesByIdsWithId

What does the searchEntitiesByIdsWithId tool do? +

Retrieves the entities for the given Ids. If any Id is invalid, it is ignored. 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 searchEntitiesByIdsWithId? +

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

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

Can I rate-limit searchEntitiesByIdsWithId? +

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

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

searchEntitiesByIdsWithId 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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