Get UK establishments of a foreign company
AI agents call get_uk_establishments to retrieve information from Companies House MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves public company registration data from the Companies House API. It performs a simple lookup of establishment records associated with a foreign company, returning informational data only. There are no side effects, no data modification, no code execution, and no destructive operations. The data retrieved is public regulatory information.
From the tool's definition Tool name 'get_uk_establishments' and description 'Get UK establishments of a foreign company' indicate a retrieval operation that queries and returns data about company establishments without modifying, creating, or deleting anything.
Documented attack patterns abuse exactly the kind of access get_uk_establishments gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Companies House MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_uk_establishments:
{
"version": "1",
"default": "deny",
"tools": {
"get_uk_establishments": {}
}
}get_uk_establishments is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get UK establishments of a foreign company. It is categorised as a Read tool in the Companies House MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Companies House MCP Server MCP server in PolicyLayer and add a rule for get_uk_establishments: 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 Companies House MCP Server. Nothing to install.
get_uk_establishments 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 get_uk_establishments 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 get_uk_establishments. 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.
get_uk_establishments is provided by the Companies House MCP Server MCP server (stefanoamorelli/companies-house-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Companies House MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
37 Companies House MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.