data.overheid.nl (Netherlands)

live Data

data.overheid.nl MCP — the Netherlands national open-data portal (CKAN API).

4 tools
0ms auth
free tier 50 calls/day

Tools

search_datasets

Search the data.overheid.nl catalogue of Dutch government open data (CKAN package_search). Returns matching datasets with titles/descriptions (mostly Dutch). Query may be Dutch or English; Dutch match

No parameters required.

▶ Try it
dataset_details

Full dataset record by id or slug (CKAN package_show), including its resources. Each resource has a download "url" and "format" (CSV/JSON/etc.) — the portal is metadata-only, so fetch those URLs to ge

No parameters required.

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list_organizations

List publishing organizations (ministries/agencies/provinces) on data.overheid.nl (CKAN organization_list). Use an org "name" in search_datasets fq, e.g. "organization:<name>".

No parameters required.

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list_groups

List thematic groups/categories on data.overheid.nl (CKAN group_list). Note: this portal currently exposes no groups (returns an empty list) — prefer fq facets on search_datasets to narrow by theme.

No parameters required.

▶ Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/overheid-nl/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/overheid-nl/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"search_datasets","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("search_datasets", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("data");