gandi_cert_update · Gandi MCP: Risk & Policy

WHAT IT DOES

What gandi_cert_update does on Gandi

AI agents use gandi_cert_update to create or update resources in Gandi — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Gandi environment.

WHY IT NEEDS A POLICY

Why gandi_cert_update needs a policy

This tool modifies certificate metadata (such as tags, descriptions, or other non-cryptographic fields) but does not delete the certificate or execute code. It is reversible, placing it in the Write category. Severity is medium because misconfiguration of certificate metadata could affect certificate management and tracking but would not directly compromise security or cause financial loss.

From the tool's definition The tool is named 'gandi_cert_update' and described as 'Update an issued certificate's metadata.' The verb 'update' indicates modification of existing data (metadata fields on an issued certificate), which is characteristic of Write operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

gandi_cert_update Rate-limited

gandi_cert_update stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "gandi_cert_update": {
      "limits": [
        {
          "counter": "gandi_cert_update_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Gandi, so you can run agents against it safely.

FAQ

Questions about gandi_cert_update

What does the gandi_cert_update tool do? +

Update an issued certificate's metadata. It is categorised as a Write tool in the Gandi MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on gandi_cert_update? +

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

What risk level is gandi_cert_update? +

gandi_cert_update is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit gandi_cert_update? +

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

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

gandi_cert_update is provided by the Gandi MCP server (millsymills-com/gandi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.