rename_speech · Tavus MCP Server MCP: Risk & Policy

WHAT IT DOES

What rename_speech does on Tavus MCP Server

AI agents use rename_speech 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 rename_speech needs a policy

This tool modifies an existing speech object by renaming it, which is a reversible write operation. It updates data but does not permanently delete (would be Destructive), execute code (would be Execute), or move money (would be Financial).

From the tool's definition Tool description states 'Rename an existing speech' - a modification operation that changes metadata/properties of an existing resource without deleting or creating new content.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

rename_speech Rate-limited

rename_speech 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": {
    "rename_speech": {
      "limits": [
        {
          "counter": "rename_speech_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 rename_speech

What does the rename_speech tool do? +

Rename an existing speech. 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 rename_speech? +

Register the Tavus MCP Server MCP server in PolicyLayer and add a rule for rename_speech: 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 rename_speech? +

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

Can I rate-limit rename_speech? +

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

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

rename_speech 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.