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# open-data.pt: 4 WebMCP tools for AI agents

![](https://www.google.com/s2/favicons?domain=open-data.pt&sz=96)

Public services · open-data.pt

## open-data.pt

Free JSON API over Portuguese public data. Agents can search datasets, read their details and pull rows.

[Open open-data.pt](https://open-data.pt/start/#mcp)

## Ask an agent to

-   Find datasets about Portuguese municipal budgets
-   Show the first rows of a population dataset
-   Open the details page for a public transport dataset

## 4 tools

-   `get_product`read-onlyuntrusted content
    
    One table or series on open-data.pt: title, description, role, schema (field ids, types and units), row count, freshness, licence and attribution.
    
    slug: string
    
-   `open_product`
    
    Show a product's page in this tab: its rows, map or chart, schema, history and source.
    
    slug: string
    
-   `read_rows`read-onlyuntrusted content
    
    A product's current rows, or a time series' latest points, as JSON. Filter records with where: field:value pairs that must all match. A filtered answer can hold no rows and still carry a nextCursor: that is not the…
    
    slug: string, limit: integer?, where: array?, cursor: string?
    
-   `search_datasets`read-onlyuntrusted content
    
    Search open-data.pt's catalog of Portuguese public data by words in a dataset's title, publisher, topic or description. Returns the matching tables and series with the slug the other tools take.
    
    query: string?, limit: integer?
    

Tools

4

Registered with

JavaScript

Scan finished

Oct 19, 2026

Tool names and descriptions are what open-data.pt/start/#mcp registered when we loaded it in Chrome 154 on Browser Use Cloud. The summary and the “ask an agent” lines are AI-written from them. To call the tools yourself, see [Chrome’s WebMCP docs](https://developer.chrome.com/docs/ai/webmcp). [How we found it](https://browser-use.com/webmcp#method).