connect_nubra_mcp · Nubra MCP Server MCP: Risk & Policy

WHAT IT DOES

What connect_nubra_mcp does on Nubra MCP Server

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

WHY IT NEEDS A POLICY

Why connect_nubra_mcp needs a policy

This tool initiates an authentication/onboarding flow: it stores credentials (MPIN) for the session and triggers an OTP send. These are stateful write operations (session modification, OTP dispatch) with no irreversible destruction or direct financial action. Misuse could enable unauthorized session setup, warranting medium severity.

From the tool's definition switch to the selected environment, store the MPIN for the current session, and send an OTP

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

connect_nubra_mcp Rate-limited

connect_nubra_mcp 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": {
    "connect_nubra_mcp": {
      "limits": [
        {
          "counter": "connect_nubra_mcp_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 Nubra MCP Server, so you can run agents against it safely.

FAQ

Questions about connect_nubra_mcp

What does the connect_nubra_mcp tool do? +

Recommended first-step onboarding flow. If phone or MPIN is missing, return the next-step prompt. If provided, switch to the selected environment, store the MPIN for the current session, and send an OTP. It is categorised as a Write tool in the Nubra 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 connect_nubra_mcp? +

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

What risk level is connect_nubra_mcp? +

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

Can I rate-limit connect_nubra_mcp? +

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

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

connect_nubra_mcp is provided by the Nubra MCP Server MCP server (socials-zanskar/nubra-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.