get_updates

A read tool on the Ha Nexus Agent MCP server.

SERVERHa Nexus Agent SOURCEfistacho/ha-nexus-agent

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/fistacho-ha-nexus-agent/get-updates.md

WHAT IT DOES

What get_updates does on Ha Nexus Agent

AI agents call get_updates to retrieve information from Ha Nexus Agent without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_updates is rated Low

Despite the empty description reducing confidence, the imperative verb 'get' and the parameter 'updates' suggest this fetches status information about available or pending updates. This is a read-only operation with no destructive, financial, or code-execution implications.

From the tool's definition Tool name 'get_updates' indicates a retrieval operation typical of querying for updates, and the absence of language indicating side effects (modify, delete, execute, create).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_updates safely

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

get_updates Allowed

get_updates is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_updates": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ha Nexus Agent, apply this rule, and every get_updates call is checked against it from then on.

FAQ

Questions about get_updates

What does the get_updates tool do? +

get_updates is a read tool on the Ha Nexus Agent MCP server. It is categorised as a Read tool in the Ha Nexus Agent MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_updates? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for get_updates: 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 Ha Nexus Agent. Nothing to install.

What risk level is get_updates? +

get_updates is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_updates? +

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

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

get_updates is provided by the Ha Nexus Agent MCP server (fistacho/ha-nexus-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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