get_logbook

Get logbook entries, optionally filtered by entity_id.

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-logbook.md

WHAT IT DOES

What get_logbook does on Ha Nexus Agent

AI agents call get_logbook 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_logbook is rated Low

This tool retrieves logbook entries from Home Assistant, which are read-only historical records. It supports optional filtering but performs no create, update, delete, or execute operations. The worst case for misuse is data exfiltration of Home Assistant event logs, which is low severity compared to uncontrolled state changes or deletions.

From the tool's definition Tool name 'get_logbook' and description 'Get logbook entries, optionally filtered by entity_id' indicate retrieval of historical log data with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_logbook 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_logbook, this is the rule to start with:

get_logbook Allowed

get_logbook 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_logbook": {}
  }
}

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_logbook call is checked against it from then on.

FAQ

Questions about get_logbook

What does the get_logbook tool do? +

Get logbook entries, optionally filtered by entity_id. 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_logbook? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for get_logbook: 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_logbook? +

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

Can I rate-limit get_logbook? +

Yes. Add a rate_limit block to the get_logbook 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_logbook completely? +

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

get_logbook 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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