Developer.overheid.nl - Knowledge Base Skills

Agent skills for the Dutch Government Developer Portal (developer.overheid.nl) knowledge base.

Skills

Skill	Description
don-apis	API design rules, OpenAPI specs, and architecture guidelines
don-leidraad	NeRDS software development guidelines
don-security	Security standards and authentication (DigiD, eHerkenning, OAuth)
don-open-source	Open source standards and publiccode.yml
don-infra	Infrastructure standards (Haven, FSC)
don-data	Data standards and linked data
don-front-end	Front-end standards and NL Design System
don-programmeertalen	Programming language guidelines

Installation

Claude Code

Install via the overheid-plugins marketplace:

claude plugin marketplace add developer-overheid-nl/skills-marketplace
claude plugin install developer-overheid@overheid-plugins

Other

This repository adheres to the Agent Skills specification. Refer to your IDE or coding agent documentation to learn how to install and use agent skills.

Usage

Sample prompts that trigger the skills:

Prompt	Skill
"How do I implement the Dutch API design rules?"	don-apis
"Create an OpenAPI spec following government standards"	don-apis
"What are the NeRDS guidelines for CI/CD?"	don-leidraad
"How do I integrate DigiD authentication?"	don-security
"What's the difference between OAuth and OIDC?"	don-security
"How do I set up a publiccode.yml file?"	don-open-source
"What license should I use for government open source?"	don-open-source
"How do I deploy to Haven?"	don-infra
"What is FSC (Federated Service Connectivity)?"	don-infra
"How do I implement the Logboek Dataverwerkingen standard?"	don-data
"How do I use NL Design System components?"	don-front-end
"What are the WCAG accessibility requirements?"	don-front-end

Syncing

Skills are synced from the developer-overheid-nl/don-site repository.

To update all skills:

python scripts/sync.py

To update a specific topic:

python scripts/sync.py --topic apis

Available topics: apis, leidraad, security, open-source, infra, data, front-end, programmeertalen

Development

# Install dependencies
uv sync

# Validate all skills
for skill in skills/don-*/; do uv run skills-ref validate "$skill"; done

License

EUPL-1.2 - Content is sourced from developer.overheid.nl.