Summary
This server connects Claude to the Dutch judiciary's Open Data API and the LiDO citation graph, letting you search case law by court, date, legal area, and document type, then fetch full text and metadata by ECLI. The six tools cover single and bulk search, full-text retrieval for up to ten decisions at once, value-list enumeration for building filters, and citation-graph traversal to see which rulings reference each other or link to statutes. No API key needed. Results include deeplinks to the official Rechtspraak site and a PrudAI viewer with quote-anchored URLs. Reach for it when you need to pull Dutch jurisprudence into a legal research workflow or cite authoritative rulings in generated documents.
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rechtspraak-mcp
A Model Context Protocol server for Dutch case law (jurisprudentie / uitspraken). It wraps the official Open Data van de Rechtspraak API and the LiDO citation graph, so any MCP-capable agent (Claude, Cursor, …) can search rulings, fetch full text by ECLI, and explore how decisions cite each other.
No API key required.
npx rechtspraak-mcp
Tools
| Tool | What it does |
|---|---|
search_uitspraken | Search case law (faceted by default; full-text behind a flag). Returns ECLIs + links. |
search_uitspraken_bulk | Run 3–10 searches at once. |
get_uitspraak | Fetch full text + metadata + relations of one decision by ECLI. |
get_uitspraken_bulk | Fetch up to 10 decisions by ECLI in one call. |
list_waardelijsten | List value lists (instanties, rechtsgebieden, proceduresoorten, …) to build valid filters. |
lido_related | LiDO citation graph around an ECLI: what cites it, what it cites, statute references. |
Search
search_uitspraken is a faceted search over the official Open Data feed — filter by date, court (instantie), legal area (rechtsgebied) and document type. It does not do free-text keyword matching; pass an ECLI to query for a direct lookup, or use the facet filters. get_uitspraak fetches the full text and metadata from the documented Open Data content endpoint.
Install in an MCP client
Claude Code (or any client reading claude_desktop_config.json / .mcp.json):
{
"mcpServers": {
"rechtspraak": {
"command": "npx",
"args": ["-y", "rechtspraak-mcp"]
}
}
}
claude mcp add rechtspraak -- npx -y rechtspraak-mcp
Citations & source links
Every result carries links for its ECLI:
links.deeplink— the citation-stabledeeplink.rechtspraak.nlURL,links.rechtspraak— the human detail page,links.prudai— a PrudAI viewer for the ruling.
When an agent quotes a passage, the tools instruct it to render the citation as a Markdown source link anchored on the exact excerpt:
[Zie bron](https://prudai.com/uitspraak/ECLI:NL:HR:2023:1234?quote=%22<verbatim quote>%22)
Configuration
| Env var | Default | Description |
|---|---|---|
RECHTSPRAAK_HTTP_TIMEOUT_MS | 30000 | Upstream request timeout. |
RECHTSPRAAK_BULK_CONCURRENCY | 4 | Concurrency for bulk tools. |
PRUDAI_BASE_URL | https://prudai.com | Base URL for the viewer deeplinks. |
RECHTSPRAAK_USER_AGENT | rechtspraak-mcp/… | User-Agent sent upstream. |
LIDO_REST_ENDPOINT | KOOP default | Override the LiDO service endpoint. |
RECHTSPRAAK_DEBUG | 0 | 1 logs upstream requests to stderr. |
Development
bun install
bun run typecheck
bun test
bun run build # → dist/ (Node-runnable, shebang bundle)
bun src/index.ts # run from source
Data sources & disclaimer
Case-law data is © Rechtspraak and published as Open Data via data.rechtspraak.nl; citation-graph data comes from KOOP's LiDO service (linkeddata.overheid.nl). This project is an independent open-source client and is not affiliated with or endorsed by de Rechtspraak or KOOP. Always verify against the authoritative source before relying on a result.
License
MIT © PrudAI. Maintained by PrudAI.
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Registryactive
Packagerechtspraak-mcp
TransportSTDIO
UpdatedJun 2, 2026
