retrieveApplication

Retrieves all the applications that are currently inactive. OR Retrieves the application for the given Id or all the applications if the Id is null.

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/retrieveapplication.md

WHAT IT DOES

What retrieveApplication does on Fusionauth

AI agents call retrieveApplication 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 retrieveApplication is rated Low

This tool performs read-only operations to retrieve application data. It has no side effects, does not modify data, execute code, delete resources, or handle financial transactions. The blast radius of misuse is limited to potential information disclosure about application configurations, which is a low-severity concern in a typical security model.

From the tool's definition Tool name is "retrieveApplication" and description states "Retrieves all the applications that are currently inactive" and "Retrieves the application for the given Id or all the applications if the Id is null." The verbs "retrieves" indicate data query with…

Attacks that exploit this kind of access

RECOMMENDED RULE

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

retrieveApplication Allowed

retrieveApplication 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": {
    "retrieveApplication": {}
  }
}

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 retrieveApplication call is checked against it from then on.

FAQ

Questions about retrieveApplication

What does the retrieveApplication tool do? +

Retrieves all the applications that are currently inactive. OR Retrieves the application for the given Id or all the applications if the Id is null. 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 retrieveApplication? +

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

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

Can I rate-limit retrieveApplication? +

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

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

retrieveApplication 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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