switch_kogna_avatar · Kogna MCP Server MCP: Risk & Policy

WHAT IT DOES

What switch_kogna_avatar does on Kogna MCP Server

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

WHY IT NEEDS A POLICY

Why switch_kogna_avatar needs a policy

Switching to a different avatar modifies the current session/conversation state by changing which specialized avatar is active. This is a reversible state change (you can switch back), making it a Write operation. The blast radius is low as it only affects the current user's conversation context.

From the tool's definition Switch to a different avatar

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

switch_kogna_avatar Rate-limited

switch_kogna_avatar 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": {
    "switch_kogna_avatar": {
      "limits": [
        {
          "counter": "switch_kogna_avatar_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 Kogna MCP Server, so you can run agents against it safely.

FAQ

Questions about switch_kogna_avatar

What does the switch_kogna_avatar tool do? +

Switch to a different avatar. It is categorised as a Write tool in the Kogna 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 switch_kogna_avatar? +

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

What risk level is switch_kogna_avatar? +

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

Can I rate-limit switch_kogna_avatar? +

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

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

switch_kogna_avatar is provided by the Kogna MCP Server MCP server (subbu3012/kognamcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.