omega_send · Mcp-Omega-Brain MCP: Risk & Policy

WHAT IT DOES

What omega_send does on Mcp-Omega-Brain

AI agents use omega_send to create or update resources in Mcp-Omega-Brain — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp-Omega-Brain environment.

WHY IT NEEDS A POLICY

Why omega_send needs a policy

An AI agent can call omega_send faster than any human can review — one bad instruction and it creates or modifies resources in Mcp-Omega-Brain by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

omega_send Rate-limited

omega_send 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": {
    "omega_send": {
      "limits": [
        {
          "counter": "omega_send_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 Mcp-Omega-Brain, so you can run agents against it safely.

FAQ

Questions about omega_send

What does the omega_send tool do? +

Send a message to another agent on the network. Use to_agent=. It is categorised as a Write tool in the Mcp-Omega-Brain MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on omega_send? +

Register the Mcp-Omega-Brain MCP server in PolicyLayer and add a rule for omega_send: 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 Mcp-Omega-Brain. Nothing to install.

What risk level is omega_send? +

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

Can I rate-limit omega_send? +

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

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

omega_send is provided by the Mcp-Omega-Brain MCP server (vrtxomega/omega-brain-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.