AI agents call lookup_council_tax_band to retrieve information from Homedata without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves council tax band information for properties, which is a read-only data lookup operation. Council tax bands are public information in the UK. No modification, deletion, execution, or financial transaction is involved. The low severity reflects minimal blast radius if an AI agent makes requests—at worst, it queries publicly available property information.
From the tool's definition Tool name 'lookup_council_tax_band' indicates querying council tax band information; server description states it 'enables AI assistants to query UK property data'; no description provided but sibling tools like 'get_crime', 'get_demographics',…
Attacks that exploit this kind of access
lookup_council_tax_band. It is categorised as a Read tool in the Homedata MCP Server, which means it retrieves data without modifying state.
Register the Homedata MCP server in PolicyLayer and add a rule for lookup_council_tax_band: 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 Homedata. Nothing to install.
lookup_council_tax_band 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 lookup_council_tax_band 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 lookup_council_tax_band. 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.
lookup_council_tax_band is provided by the Homedata MCP server (wehomemove/homedata-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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