uk-ons-get-codelist

Get metadata for a single ONS code-list by ID.

SERVERMeta Data Mcp SOURCEpypi:meta-data-mcp

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/io-github-derekslinz-meta-data-mcp/uk-ons-get-codelist.md

WHAT IT DOES

What uk-ons-get-codelist does on Meta Data Mcp

AI agents call uk-ons-get-codelist to retrieve information from Meta Data Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why uk-ons-get-codelist is rated Low

This tool retrieves or queries data from an open government statistics API without side effects. It fetches metadata about a code-list by ID, which is a pure read operation. There is no capability to modify, delete, or execute operations. The blast radius of misuse is minimal—an agent could only retrieve publicly available statistical metadata.

From the tool's definition Tool name 'uk-ons-get-codelist' and description 'Get metadata for a single ONS code-list by ID' indicates retrieval of metadata from the UK Office for National Statistics.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs uk-ons-get-codelist safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Data Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For uk-ons-get-codelist, this is the rule to start with:

uk-ons-get-codelist Allowed

uk-ons-get-codelist 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": {
    "uk-ons-get-codelist": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Meta Data Mcp, apply this rule, and every uk-ons-get-codelist call is checked against it from then on.

FAQ

Questions about uk-ons-get-codelist

What does the uk-ons-get-codelist tool do? +

Get metadata for a single ONS code-list by ID. It is categorised as a Read tool in the Meta Data Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on uk-ons-get-codelist? +

Register the Meta Data MCP server in PolicyLayer and add a rule for uk-ons-get-codelist: 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 Meta Data Mcp. Nothing to install.

What risk level is uk-ons-get-codelist? +

uk-ons-get-codelist is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit uk-ons-get-codelist? +

Yes. Add a rate_limit block to the uk-ons-get-codelist 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 uk-ons-get-codelist completely? +

Set action: deny in the PolicyLayer policy for uk-ons-get-codelist. 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 uk-ons-get-codelist? +

uk-ons-get-codelist is provided by the Meta Data MCP server (pypi:meta-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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