room_leave · Ssyubix A2a Agentlink MCP: Risk & Policy

WHAT IT DOES

What room_leave does on Ssyubix A2a Agentlink

AI agents use room_leave to create or update resources in Ssyubix A2a Agentlink — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ssyubix A2a Agentlink environment.

WHY IT NEEDS A POLICY

Why room_leave needs a policy

This tool removes the agent from a communication room. It is a reversible state change (the agent can rejoin), making it a Write operation. Misuse could disrupt ongoing cross-agent communications, warranting medium severity.

From the tool's definition 'room_leave' and description 'Keluar dari room saat ini' (Leave the current room)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

room_leave Rate-limited

room_leave 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": {
    "room_leave": {
      "limits": [
        {
          "counter": "room_leave_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 Ssyubix A2a Agentlink, so you can run agents against it safely.

FAQ

Questions about room_leave

What does the room_leave tool do? +

Keluar dari room saat ini. It is categorised as a Write tool in the Ssyubix A2a Agentlink MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on room_leave? +

Register the Ssyubix A2a Agentlink MCP server in PolicyLayer and add a rule for room_leave: 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 Ssyubix A2a Agentlink. Nothing to install.

What risk level is room_leave? +

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

Can I rate-limit room_leave? +

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

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

room_leave is provided by the Ssyubix A2a Agentlink MCP server (syuaibsyuaib/ssyubix). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.