czso.series.dataset_data
Fetch rows from a CZSO dataset's CSV data file (dataset_id from czso.dataset_list). Column names vary per dataset (e.g. "vuzemi_txt" for territory, "rok" for year) — call once without filter_column to see the header, then narrow with filter_column + filter_value (substring match). Rows capped 1-5...
This record as markdown: /tools/io-github-whiteknightonhorse-apibase/czso.series.dataset-data.md
What czso.series.dataset_data does on Apibase
AI agents call czso.series.dataset_data 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 | — | Max rows to return after filtering (1-500, default 50). |
offset | integer | — | Number of matching rows to skip, for paging through a large filtered result. |
dataset_id | string | Yes | CZSO dataset id, from czso.dataset_list (e.g. "130141r25" for 2024 population movement). |
filter_value | string | — | Substring to match (case-insensitive) against filter_column's value, e.g. "Praha" when filter_column is "vuzemi_txt". Required when filter_column is set. |
filter_column | string | — | Column name to filter on, must match a column in the CSV header returned by this same tool (column names vary per dataset, e.g. "vuzemi_txt" for territory name, |
Parameters from the server's own tool schema.
Why czso.series.dataset_data is rated Low
Retrieves public statistical data with no side effects, creation, modification, or deletion capabilities.
From the tool's definition Fetch rows from a CZSO dataset's CSV data file; no auth required
Attacks that exploit this kind of access
The rule that runs czso.series.dataset_data 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 czso.series.dataset_data, this is the rule to start with:
czso.series.dataset_data 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 czso.series.dataset_data call is checked against it from then on.
Questions about czso.series.dataset_data
Fetch rows from a CZSO dataset's CSV data file (dataset_id from czso.dataset_list). Column names vary per dataset (e.g. "vuzemi_txt" for territory, "rok" for year) — call once without filter_column to see the header, then narrow with filter_column + filter_value (substring match). Rows capped 1-500 (default 50). Datasets whose only resource is not CSV (e.g. ZIP) are rejected with a pointer to the raw download URL. Data: vdb.czso.cz (Czech Statistical Office open-data catalog), no auth required. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
czso.series.dataset_data accepts 5 parameters: limit, offset, dataset_id, filter_value, filter_column. Required: dataset_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 czso.series.dataset_data: 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.
czso.series.dataset_data 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 czso.series.dataset_data 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 czso.series.dataset_data. 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.
czso.series.dataset_data 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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