OpenDataNI Topic Groups (OpenDataNI)

opendatani/list-topics

The topic groups datasets on the Northern Ireland open data portal are filed under (economy, education, environment, finance, health, population, property, tourism, transport): name (slug), title, dataset count. Takes no input. Use the name in the dataset search filter, for example groups:transport.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

OpenDataNI

Contains public sector information licensed under the Open Government Licence v3.0. Data from OpenDataNI (opendatani.gov.uk), the Northern Ireland open data portal; credit the publishing organisation named on each dataset. Served by Eden Engine; not an official OpenDataNI or Northern Ireland Executive product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

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agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "opendatani/list-topics" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "opendatani/list-topics" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "opendatani/list-topics", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "opendatani/list-topics", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

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Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 21, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "properties": {},
  "description": "No input. The call always returns every topic.",
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "results"
  ],
  "properties": {
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "name",
          "title"
        ],
        "properties": {
          "name": {
            "type": "string",
            "description": "Topic slug, for the `groups:` filter."
          },
          "title": {
            "type": "string",
            "description": "Topic title."
          },
          "created": {
            "type": "string",
            "description": "When it was registered."
          },
          "description": {
            "type": "string",
            "description": "About the topic."
          },
          "display_name": {
            "type": "string",
            "description": "Display name."
          },
          "package_count": {
            "type": "integer",
            "description": "Number of datasets in it."
          },
          "image_display_url": {
            "type": "string",
            "description": "Icon URL, when it has one."
          }
        },
        "description": "One topic.",
        "additionalProperties": true
      },
      "description": "One entry per row returned, in the order the service gave them; empty when nothing matches."
    }
  },
  "description": "All topics, in the portal's order.",
  "additionalProperties": false
}