ea-hydrology.readings.latest
Get the most recent reading (date, value, quality flag) for one EA hydrology data series, identified by the measure_id from ea-hydrology.station_measures. Data: environment.data.gov.uk/hydrology, UK Open Government Licence v3.0, no auth required.
This record as markdown: /tools/io-github-whiteknightonhorse-apibase/ea-hydrology.readings.latest.md
What ea-hydrology.readings.latest does on Apibase
AI agents call ea-hydrology.readings.latest 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 |
|---|---|---|---|
measure_id | string | Yes | Measure identifier — the `measure_id` (notation) returned by ea-hydrology.station_measures, e.g. "052d0819-2a32-47df-9b99-c243c9c8235b-flow-i-900-m3s-qualified" |
Parameters from the server's own tool schema.
Why ea-hydrology.readings.latest is rated Low
Tool retrieves current hydrological measurements with no side effects or data modification capability.
From the tool's definition Get the most recent reading, query hydrology data series, no auth required.
Attacks that exploit this kind of access
The rule that runs ea-hydrology.readings.latest 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 ea-hydrology.readings.latest, this is the rule to start with:
ea-hydrology.readings.latest 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 ea-hydrology.readings.latest call is checked against it from then on.
Questions about ea-hydrology.readings.latest
Get the most recent reading (date, value, quality flag) for one EA hydrology data series, identified by the measure_id from ea-hydrology.station_measures. Data: environment.data.gov.uk/hydrology, UK Open Government Licence v3.0, no auth required. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
ea-hydrology.readings.latest accepts 1 parameter: measure_id. Required: measure_id. 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 ea-hydrology.readings.latest: 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.
ea-hydrology.readings.latest 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 ea-hydrology.readings.latest 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 ea-hydrology.readings.latest. 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.
ea-hydrology.readings.latest 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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