replication_update

Update an existing replication task

SERVERNasbridge SOURCEmaverick0628/nasbridge

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/nasbridge/replication-update.md

WHAT IT DOES

What replication_update does on Nasbridge

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

RISK

Why replication_update is rated Medium

This tool modifies an existing replication task configuration, which could alter backup/recovery schedules, target destinations, or data transfer parameters. While reversible (hence Write rather than Destructive), misconfiguration could redirect backups to wrong locations, skip critical data, or interfere with disaster recovery capabilities.

From the tool's definition Tool name 'replication_update' and description 'Update an existing replication task' indicate modification of a replication configuration. Replication tasks manage data synchronization/backup operations in TrueNAS SCALE.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs replication_update safely

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

replication_update Rate-limited

replication_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": {
    "replication_update": {
      "limits": [
        {
          "counter": "replication_update_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about replication_update

What does the replication_update tool do? +

Update an existing replication task. It is categorised as a Write tool in the Nasbridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on replication_update? +

Register the Nasbridge MCP server in PolicyLayer and add a rule for replication_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 Nasbridge. Nothing to install.

What risk level is replication_update? +

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

Can I rate-limit replication_update? +

Yes. Add a rate_limit block to the replication_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 replication_update completely? +

Set action: deny in the PolicyLayer policy for replication_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 replication_update? +

replication_update is provided by the Nasbridge MCP server (maverick0628/nasbridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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