Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.
If you already use Eur, the eur mcp server is the piece that lets your assistant work with it directly. Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.
Because this one is hosted, setup is mostly authentication — you point your client at the endpoint and approve access. Nothing runs on your machine, so there is no runtime to keep patched.
The toolset is worth reading before you wire it up, because it tells you what the integration is really for:
eurlex_search_documents — Search EU legislation, treaties, and preparatory acts across the CELLAR corpus. Filters by document type, date range, EuroVoc concept, authoreurlex_get_document — Fetch structured metadata and full text (HTML, Markdown, or Formex4 XML) for a work by CELEX number or ELI URIeurlex_lookup_celex — Resolve an EU legal citation — a CELEX number or an ELI URI — to the canonical CELLAR workeurlex_get_cases — Search CJEU and General Court case law — judgments, orders, and Advocate General opinions — by case number, party name, subject, or date rangeeurlex_get_relations — Traverse the CELLAR relationship graph: amendment chain, consolidated versions, legal basis, citation network, and national transposition measureseurlex_browse_subjects — Search the EuroVoc multilingual thesaurus to resolve human-readable terms to EuroVoc concept IDs — required before using the eurovoc_concept filtereurlex_query_sparql — Execute a raw SPARQL SELECT query against the CELLAR Virtuoso endpoint. Results capped at 100; use only when curated tools don't cover the needed CDMPrerequisites — The Prerequisites tool exposed by this serverInstallation — The Installation tool exposed by this serverConfiguration is passed through the environment: MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, EURLEX_CONTENT_BASE_URL. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
Plenty of file and storage access servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Eur's toolset — eurlex_search_documents, eurlex_get_document, eurlex_lookup_celex and 6 more — is a fair guide to whether it matches your workflow. It is maintained by cyanheads; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| eurlex_search_documents | Search EU legislation, treaties, and preparatory acts across the CELLAR corpus. Filters by document type, date range, EuroVoc concept, author institution, and in-force status. |
| eurlex_get_document | Fetch structured metadata and full text (HTML, Markdown, or Formex4 XML) for a work by CELEX number or ELI URI. |
| eurlex_lookup_celex | Resolve an EU legal citation — a CELEX number or an ELI URI — to the canonical CELLAR work. |
| eurlex_get_cases | Search CJEU and General Court case law — judgments, orders, and Advocate General opinions — by case number, party name, subject, or date range. |
| eurlex_get_relations | Traverse the CELLAR relationship graph: amendment chain, consolidated versions, legal basis, citation network, and national transposition measures. |
| eurlex_browse_subjects | Search the EuroVoc multilingual thesaurus to resolve human-readable terms to EuroVoc concept IDs — required before using the eurovoc_concept filter in eurlex_search_documents. |
| eurlex_query_sparql | Execute a raw SPARQL SELECT query against the CELLAR Virtuoso endpoint. Results capped at 100; use only when curated tools don't cover the needed CDM ontology traversal. |
| Prerequisites | The Prerequisites tool exposed by this server. |
| Installation | The Installation tool exposed by this server. |
{
"mcpServers": {
"eur-lex-mcp-server": {
"type": "streamable-http",
"url": "https://eur-lex.caseyjhand.com/mcp"
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| MCP_TRANSPORT_TYPE | Configuration value read at startup. | Optional |
| MCP_LOG_LEVEL | Configuration value read at startup. | Optional |
| EURLEX_CONTENT_BASE_URL | Endpoint or connection string the server talks to. | Yes |
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