retrieveFormWithId

Retrieves the form 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/retrieveformwithid.md

WHAT IT DOES

What retrieveFormWithId does on Fusionauth

AI agents call retrieveFormWithId 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 retrieveFormWithId is rated Low

This tool performs a simple data retrieval operation. The verb 'Retrieves' indicates a read-only action that queries existing form data. There are no side effects, no data modification, no code execution, no deletion, and no financial impact. This is a classic Read category tool with low severity since misuse would only expose form configuration data.

From the tool's definition Tool description states 'Retrieves the form with the given Id' - a query operation that fetches data without modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

retrieveFormWithId Allowed

retrieveFormWithId 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": {
    "retrieveFormWithId": {}
  }
}

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 retrieveFormWithId call is checked against it from then on.

FAQ

Questions about retrieveFormWithId

What does the retrieveFormWithId tool do? +

Retrieves the form 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 retrieveFormWithId? +

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

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

Can I rate-limit retrieveFormWithId? +

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

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

retrieveFormWithId 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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