address.ukpost.lookup

SERVERApibase SOURCEapibase-mcp-client

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-whiteknightonhorse-apibase/address.ukpost.lookup.md

WHAT IT DOES

What address.ukpost.lookup does on Apibase

AI agents call address.ukpost.lookup to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`postcode`	string	Yes	UK postcode to look up (e.g. "SW1A 1AA" for Westminster, "EC2R 8AH" for City of London, "M1 1AA" for Manchester). Returns district, region, country, lat/lon, pa

Parameters from the server's own tool schema.

RISK

Why address.ukpost.lookup is rated Low

Retrieves publicly available postcode data with no side effects or modifications.

From the tool's definition Look up a UK postcode — returns district, region, country, ward, parish, parliamentary constituency, and lat/lon coordinates.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs address.ukpost.lookup safely

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

address.ukpost.lookup Allowed

address.ukpost.lookup 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": {
    "address.ukpost.lookup": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every address.ukpost.lookup call is checked against it from then on.

FAQ

Questions about address.ukpost.lookup

What does the address.ukpost.lookup tool do? +

Look up a UK postcode — returns district, region, country, ward, parish, parliamentary constituency, and lat/lon coordinates. Backed by ONS/Ordnance Survey data. Example: "SW1A 1AA" → Westminster, London (Postcodes.io). It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.

What parameters does address.ukpost.lookup accept? +

address.ukpost.lookup accepts 1 parameter: postcode. Required: postcode. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on address.ukpost.lookup? +

Register the Apibase MCP server in PolicyLayer and add a rule for address.ukpost.lookup: 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 Apibase. Nothing to install.

What risk level is address.ukpost.lookup? +

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

Can I rate-limit address.ukpost.lookup? +

Yes. Add a rate_limit block to the address.ukpost.lookup 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 address.ukpost.lookup completely? +

Set action: deny in the PolicyLayer policy for address.ukpost.lookup. 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 address.ukpost.lookup? +

address.ukpost.lookup is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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