Get a replication task by ID
AI agents call replication_get to retrieve information from Truenas without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward read operation that retrieves replication task information by identifier. It queries system state without creating, modifying, deleting, or executing any operations. The 'Get' verb and read-only nature clearly place it in the Read category with low severity, as misuse would only expose existing data rather than cause system changes.
From the tool's definition Tool name 'replication_get' and description 'Get a replication task by ID' indicate retrieval of existing data with no modification or side effects.
Documented attack patterns abuse exactly the kind of access replication_get gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Truenas, and nothing reaches the server without passing your rules. This is the rule we recommend for replication_get:
{
"version": "1",
"default": "deny",
"tools": {
"replication_get": {}
}
}replication_get is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a replication task by ID. It is categorised as a Read tool in the Truenas MCP Server, which means it retrieves data without modifying state.
Register the Truenas MCP server in PolicyLayer and add a rule for replication_get: 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 Truenas. Nothing to install.
replication_get is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the replication_get 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.
Set action: deny in the PolicyLayer policy for replication_get. 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.
replication_get is provided by the Truenas MCP server (spranab/truenas-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Truenas, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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279 Truenas tools catalogued and risk-classified — across an index of 43,000+ MCP servers.