ons.stats.cpih
Retrieve UK Consumer Prices Index Including Housing costs (CPIH) from the ONS. Monthly index values (2015=100) for the overall index or individual categories (food, energy, transport, etc.). Data goes back to 1988. Default returns the headline CPIH overall index (CP00) for the UK. Use the categor...
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What ons.stats.cpih does on Apibase
AI agents call ons.stats.cpih 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 |
|---|---|---|---|
limit | integer | — | Number of most recent time periods to return (1–300, default 60). Data is monthly. |
category | string | — | ONS aggregate code for the CPIH category. Default "CP00" (Overall Index). Other examples: "CP01" (Food & beverages), "CP02" (Alcohol & tobacco), "CP04" (Housing |
Parameters from the server's own tool schema.
Why ons.stats.cpih is rated Low
Tool retrieves historical economic statistics with no side effects or data modification capabilities.
From the tool's definition Retrieve UK Consumer Prices Index, monthly index values, returns data, read-only query
Attacks that exploit this kind of access
The rule that runs ons.stats.cpih 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 ons.stats.cpih, this is the rule to start with:
ons.stats.cpih is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every ons.stats.cpih call is checked against it from then on.
Questions about ons.stats.cpih
Retrieve UK Consumer Prices Index Including Housing costs (CPIH) from the ONS. Monthly index values (2015=100) for the overall index or individual categories (food, energy, transport, etc.). Data goes back to 1988. Default returns the headline CPIH overall index (CP00) for the UK. Use the category parameter to drill into sub-categories such as "CP01" (food & beverages), "CP04" (housing & energy), "CP07" (transport). Returns up to 60 most recent months by default. Source: ONS dataset cpih01, OGL v3.0. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
ons.stats.cpih accepts 2 parameters: limit, category. The full parameter table on this page comes from the server's own tool schema.
Register the Apibase MCP server in PolicyLayer and add a rule for ons.stats.cpih: 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.
ons.stats.cpih 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 ons.stats.cpih 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 ons.stats.cpih. 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.
ons.stats.cpih 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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