Individual skill

portaljs-add-dcat

Make a PortalJS portal harvestable by national/EU/US open-data portals — emit standards-compliant DCAT catalog feeds (DCAT 2/3, DCAT-AP, DCAT-US, national profiles) in JSON-LD, Turtle, and RDF/XML at build, with autodiscovery and per-profile conformance checking. Use when a portal needs to be harvested by data.europa.eu, data.gov, or a national open-data catalog.

skills/portaljs-add-dcat/SKILL.md

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Last checked: Nov 9, 2026

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Repository stars (not skill ratings): 2,370
Repository last updated: Oct 28, 2026
License: MIT

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data-portal Repository topic
ckan Repository topic
nextjs Repository topic
open-data-portal Repository topic
data-mesh Repository topic
datahub Repository topic
open-data Repository topic
openmetadata Repository topic
dataverse Repository topic
dkan Repository topic
portaljs Declared skill tag
data-portal Declared skill tag
dcat Declared skill tag
interoperability Declared skill tag
rdf Declared skill tag
jsonld Declared skill tag
data Derived category

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SKILL.mdcore · 7,360 bytes
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# PortalJS — Add DCAT

## Overview

Turn an existing PortalJS (`portaljs-catalog`) portal into a harvestable data catalog.
PortalJS is Frictionless-native — a dataset is a Data Package (see
`portaljs-define-schema`) — and DCAT is the serialization + harvest layer on top
(`lib/metadata/dcat.ts` + `lib/metadata/dcat-profiles.ts`). This skill selects one or
more DCAT application profiles, maps every dataset's metadata to them, and writes
static feed files at build time — JSON-LD, Turtle, and RDF/XML — so external catalogs
(data.europa.eu, data.gov, national portals) can harvest the datasets automatically,
on any static host, with no runtime.

## Prerequisites