create_replica · Tavus MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_replica does on Tavus MCP Server

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

WHY IT NEEDS A POLICY

Why create_replica needs a policy

This tool creates new persistent replica objects in the Tavus system from training video data. While not immediately destructive or financial, creation of AI replicas represents a reversible write operation that adds data to the system.

From the tool's definition Tool name 'create_replica' and description 'Create a new AI replica from a training video' indicate data creation and storage operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_replica Rate-limited

create_replica 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": {
    "create_replica": {
      "limits": [
        {
          "counter": "create_replica_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 Tavus MCP Server, so you can run agents against it safely.

FAQ

Questions about create_replica

What does the create_replica tool do? +

Create a new AI replica from a training video. It is categorised as a Write tool in the Tavus 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 create_replica? +

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

What risk level is create_replica? +

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

Can I rate-limit create_replica? +

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

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

create_replica is provided by the Tavus MCP Server MCP server (rakeshdavid/tavus-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.