AI agents call ha_get_error_logs to retrieve information from Hass without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves error logs from Home Assistant without modifying, executing, deleting, or affecting any system state. It is purely informational. The blast radius is minimal—an attacker gains visibility into error logs but cannot directly compromise or control Home Assistant devices or services. Classified as Read with low severity.
From the tool's definition Tool name 'ha_get_error_logs' and description 'Fetch the latest Home Assistant error logs' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Fetch the latest Home Assistant error logs. It is categorised as a Read tool in the Hass MCP Server, which means it retrieves data without modifying state.
Register the Hass MCP server in PolicyLayer and add a rule for ha_get_error_logs: 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 Hass. Nothing to install.
ha_get_error_logs is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the ha_get_error_logs 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.
Set action: deny in the PolicyLayer policy for ha_get_error_logs. 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.
ha_get_error_logs is provided by the Hass MCP server (thewhykiki/hass-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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