rollback_transaction · KevoDB MCP Server MCP: Risk & Policy

WHAT IT DOES

What rollback_transaction does on KevoDB MCP Server

AI agents use rollback_transaction 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 rollback_transaction needs a policy

Rollback is a Write operation (not Destructive) because it reverses uncommitted changes within a transaction context, maintaining data integrity. The operation is reversible in nature—it simply undoes pending modifications.

From the tool's definition Tool name 'rollback_transaction' and description 'Roll back a transaction by ID' indicate this reverts pending writes within a transaction scope, which is a write-related operation that modifies the state of in-flight transactions.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

rollback_transaction Rate-limited

rollback_transaction 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": {
    "rollback_transaction": {
      "limits": [
        {
          "counter": "rollback_transaction_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 rollback_transaction

What does the rollback_transaction tool do? +

Roll back a transaction by ID. 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 rollback_transaction? +

Register the KevoDB MCP Server MCP server in PolicyLayer and add a rule for rollback_transaction: 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 rollback_transaction? +

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

Can I rate-limit rollback_transaction? +

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

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

rollback_transaction 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.