setup-credentials · CellarTracker MCP: Risk & Policy

WHAT IT DOES

What setup-credentials does on CellarTracker MCP

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

WHY IT NEEDS A POLICY

Why setup-credentials needs a policy

An AI agent can call setup-credentials faster than any human can review — one bad instruction and it creates or modifies resources in CellarTracker MCP by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

setup-credentials Rate-limited

setup-credentials 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": {
    "setup-credentials": {
      "limits": [
        {
          "counter": "setup-credentials_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about setup-credentials

What does the setup-credentials tool do? +

Set up or update your CellarTracker login credentials. It is categorised as a Write tool in the CellarTracker MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on setup-credentials? +

Register the CellarTracker MCP server in PolicyLayer and add a rule for setup-credentials: 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 CellarTracker MCP. Nothing to install.

What risk level is setup-credentials? +

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

Can I rate-limit setup-credentials? +

Yes. Add a rate_limit block to the setup-credentials 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 setup-credentials completely? +

Set action: deny in the PolicyLayer policy for setup-credentials. 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 setup-credentials? +

setup-credentials is provided by the CellarTracker MCP server (slavins-co/cellartracker-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.