certificate_get

Get a specific certificate by its numeric ID. Returns full certificate details including the PEM content.

SERVERTruenas SOURCEspranab/truenas-mcp

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/spranab-truenas-mcp/certificate-get.md

WHAT IT DOES

What certificate_get does on Truenas

AI agents call certificate_get to retrieve information from Truenas without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why certificate_get is rated Low

This tool retrieves and returns certificate information (PEM content and metadata) without modifying, deleting, or executing anything. It is a straightforward read operation on system data.

From the tool's definition Tool name is 'certificate_get' and description states 'Get a specific certificate by its numeric ID. Returns full certificate details' — the verb 'Get' and return of read-only certificate details indicate a retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs certificate_get safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Truenas, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For certificate_get, this is the rule to start with:

certificate_get Allowed

certificate_get 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": {
    "certificate_get": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about certificate_get

What does the certificate_get tool do? +

Get a specific certificate by its numeric ID. Returns full certificate details including the PEM content. It is categorised as a Read tool in the Truenas MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on certificate_get? +

Register the Truenas MCP server in PolicyLayer and add a rule for certificate_get: 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 Truenas. Nothing to install.

What risk level is certificate_get? +

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

Can I rate-limit certificate_get? +

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

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

certificate_get is provided by the Truenas MCP server (spranab/truenas-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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