mist_write

Perform a lab write request to Mist with a preview-first guard.

SERVERHpe Networking SOURCEsecure-ssid/hpe-networking-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/hpe-networking-mcp/mist-write.md

WHAT IT DOES

What mist_write does on Hpe Networking

AI agents use mist_write to create or update resources in Hpe Networking, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Hpe Networking environment.

RISK

Why mist_write is rated Medium

The tool performs write operations to Mist (likely a lab/test environment given the 'lab write request' phrasing), creating or modifying data. It is not destructive (reversible), not financial, and not arbitrary code execution. The preview-first guard suggests safety mechanisms are in place.

From the tool's definition Tool name contains 'write' and description explicitly states 'Perform a lab write request'. The 'preview-first guard' indicates it modifies data (reversibly) with safeguards rather than executing arbitrary operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mist_write safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Hpe Networking, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For mist_write, this is the rule to start with:

mist_write Rate-limited

mist_write 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": {
    "mist_write": {
      "limits": [
        {
          "counter": "mist_write_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Hpe Networking, apply this rule, and every mist_write call is checked against it from then on.

FAQ

Questions about mist_write

What does the mist_write tool do? +

Perform a lab write request to Mist with a preview-first guard. It is categorised as a Write tool in the Hpe Networking MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mist_write? +

Register the Hpe Networking MCP server in PolicyLayer and add a rule for mist_write: 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 Hpe Networking. Nothing to install.

What risk level is mist_write? +

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

Can I rate-limit mist_write? +

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

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

mist_write is provided by the Hpe Networking MCP server (secure-ssid/hpe-networking-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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