retrieveMessageTemplate

Retrieves the message template for the given Id. If you don

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/retrievemessagetemplate.md

WHAT IT DOES

What retrieveMessageTemplate does on Fusionauth

AI agents call retrieveMessageTemplate 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 retrieveMessageTemplate is rated Low

This tool retrieves a message template by ID—a query operation that has no side effects, creates no data, executes no commands, and does not delete or move resources. It is a standard Read operation appropriate for fetching configuration or template data from FusionAuth. The incomplete description ('If you don...') does not alter this classification; the core function is clearly retrieval-only.

From the tool's definition Tool name 'retrieveMessageTemplate' and verb 'Retrieves' explicitly indicate a data retrieval operation with no modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

retrieveMessageTemplate Allowed

retrieveMessageTemplate 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": {
    "retrieveMessageTemplate": {}
  }
}

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 retrieveMessageTemplate call is checked against it from then on.

FAQ

Questions about retrieveMessageTemplate

What does the retrieveMessageTemplate tool do? +

Retrieves the message template for the given Id. If you don. 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 retrieveMessageTemplate? +

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

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

Can I rate-limit retrieveMessageTemplate? +

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

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

retrieveMessageTemplate 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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