keychaincredential_generate_ssh_key

Generate a new SSH key pair. The private key is redacted from the response, so it cannot be passed to keychaincredential_create; generate a stored keypair in the TrueNAS UI under SSH Keypairs.

SERVERNasbridge SOURCEmaverick0628/nasbridge

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/nasbridge/keychaincredential-generate-ssh-key.md

WHAT IT DOES

What keychaincredential_generate_ssh_key does on Nasbridge

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

RISK

Why keychaincredential_generate_ssh_key is rated Medium

Creates new cryptographic credentials in TrueNAS keychain; high severity due to infrastructure access implications.

From the tool's definition Generate a new SSH key pair; private key redacted from response

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs keychaincredential_generate_ssh_key safely

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

keychaincredential_generate_ssh_key Rate-limited

keychaincredential_generate_ssh_key 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": {
    "keychaincredential_generate_ssh_key": {
      "limits": [
        {
          "counter": "keychaincredential_generate_ssh_key_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 Nasbridge, apply this rule, and every keychaincredential_generate_ssh_key call is checked against it from then on.

FAQ

Questions about keychaincredential_generate_ssh_key

What does the keychaincredential_generate_ssh_key tool do? +

Generate a new SSH key pair. The private key is redacted from the response, so it cannot be passed to keychaincredential_create; generate a stored keypair in the TrueNAS UI under SSH Keypairs. It is categorised as a Write tool in the Nasbridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on keychaincredential_generate_ssh_key? +

Register the Nasbridge MCP server in PolicyLayer and add a rule for keychaincredential_generate_ssh_key: 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 Nasbridge. Nothing to install.

What risk level is keychaincredential_generate_ssh_key? +

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

Can I rate-limit keychaincredential_generate_ssh_key? +

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

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

keychaincredential_generate_ssh_key is provided by the Nasbridge MCP server (maverick0628/nasbridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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