cleanup · KevoDB MCP Server MCP: Risk & Policy

WHAT IT DOES

What cleanup does on KevoDB MCP Server

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

WHY IT NEEDS A POLICY

Why cleanup needs a policy

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

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cleanup Rate-limited

cleanup 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": {
    "cleanup": {
      "limits": [
        {
          "counter": "cleanup_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 KevoDB MCP Server, so you can run agents against it safely.

FAQ

Questions about cleanup

What does the cleanup tool do? +

Close the KevoDB connection. It is categorised as a Write tool in the KevoDB MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cleanup? +

Register the KevoDB MCP Server MCP server in PolicyLayer and add a rule for cleanup: 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 KevoDB MCP Server. Nothing to install.

What risk level is cleanup? +

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

Can I rate-limit cleanup? +

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

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

cleanup is provided by the KevoDB MCP Server MCP server (kevodb/kevo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.