add_knowledge_base_to_agent · ElevenLabs MCP Server MCP

WHAT IT DOES

What add_knowledge_base_to_agent does on ElevenLabs MCP Server

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

WHY IT NEEDS A POLICY

Why add_knowledge_base_to_agent needs a policy

This tool modifies agent state by adding a knowledge base, which is consistent with Write category operations (create, update, post, upload). While it could enable indirect harm through agents with malicious knowledge bases, the immediate action is configuration modification rather than execution or deletion.

From the tool's definition Tool name 'add_knowledge_base_to_agent' indicates creation or modification of agent configuration by attaching a knowledge base. The verb 'add' suggests a reversible write operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_knowledge_base_to_agent Rate-limited

add_knowledge_base_to_agent 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": {
    "add_knowledge_base_to_agent": {
      "limits": [
        {
          "counter": "add_knowledge_base_to_agent_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 ElevenLabs MCP Server, so you can run agents against it safely.

FAQ

Questions about add_knowledge_base_to_agent

What does the add_knowledge_base_to_agent tool do? +

add_knowledge_base_to_agent. It is categorised as a Write tool in the ElevenLabs 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 add_knowledge_base_to_agent? +

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

What risk level is add_knowledge_base_to_agent? +

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

Can I rate-limit add_knowledge_base_to_agent? +

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

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

add_knowledge_base_to_agent is provided by the ElevenLabs MCP Server MCP server (nguyendinhsinh361/elevenlabs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.