Individual skill
portaljs-add-dataset
Add a dataset (CSV, TSV, JSON, or GeoJSON) to an existing PortalJS portal. Appends an entry to datasets.json so the catalog and showcase render it automatically; routes the data by source (local file vs remote URL) — R2 via Git LFS by default, remote URLs by passthrough. Use when registering a new dataset in a scaffolded portal.
skills/portaljs-add-dataset/SKILL.md
Source commit fc7ccd651459549a962c8b7aa08f60f8849fd9a5
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- Repository scan complete
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 3, 2026
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Repository context
- 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
- dataset Declared skill tag
- csv Declared skill tag
- geojson Declared skill tag
- catalog Declared skill tag
- data Derived category
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# PortalJS — Add Dataset
## Overview
Register a dataset in a PortalJS (`portaljs-catalog`) portal. The skill appends one entry to
`datasets.json` — the single source of truth for the catalog — and routes the underlying
bytes by **source first, then size**: a local file defaults to R2 via Git LFS, a remote URL
defaults to passthrough (no copy). No per-dataset page is created; the catalog at `/search`
lists the new entry and the dynamic showcase route `pages/[owner]/[slug].tsx` renders it
automatically at `/@<namespace>/<slug>`. Supported formats for the showcase preview: CSV,
TSV, JSON (array), and GeoJSON.
## Prerequisites
