Skills that give Claude Code reference material for Dutch government software, covering APIs, data sharing, front-end accessibility with the NL Design System, infrastructure such as Haven Kubernetes and FSC, and NeRDS guidelines.
Claude Code
$ npx -y skills add developer-overheid-nl/skills-developer-overheid-nl --agent claude-code
Codex
$ npx skills add developer-overheid-nl/skills-developer-overheid-nl -a codex
Cursor
$ npx skills add developer-overheid-nl/skills-developer-overheid-nl -a cursor
Gemini CLI
$ npx skills add developer-overheid-nl/skills-developer-overheid-nl -a gemini-cli
GitHub Copilot
$ npx skills add developer-overheid-nl/skills-developer-overheid-nl -a github-copilot
OpenCode
$ npx skills add developer-overheid-nl/skills-developer-overheid-nl -a opencode
Windsurf
$ npx skills add developer-overheid-nl/skills-developer-overheid-nl -a windsurf
Agent skills for the Dutch Government Developer Portal (developer.overheid.nl) knowledge base.
| 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 |
Install via the overheid-plugins marketplace:
claude plugin marketplace add developer-overheid-nl/skills-marketplace
claude plugin install developer-overheid@overheid-plugins
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.
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 |
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
# Install dependencies
uv sync
# Validate all skills
for skill in skills/don-*/; do uv run skills-ref validate "$skill"; done
EUPL-1.2 - Content is sourced from developer.overheid.nl.
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@inkeepSkills that give Claude Code reference material for Dutch government software, covering APIs, data sharing, front-end accessibility with the NL Design System, infrastructure such as Haven Kubernetes and FSC, and NeRDS guidelines. Install it with the command on its page. It includes don-apis, don-data, don-front-end. Its skills do not fire on their own yet. Free and open source.
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