Eur Lex MCP Server - install, status & alternatives [2026]

01 · Install Eur Lex MCP Server

before you install - you'll need

Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL before connecting.

Claude Code

claude mcp add cyanheads-eur-lex-mcp-server --transport http https://eur-lex.caseyjhand.com/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "cyanheads-eur-lex-mcp-server": {
      "url": "https://eur-lex.caseyjhand.com/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://eur-lex.caseyjhand.com/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-09-30

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to eur-lex.caseyjhand.com

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license Apache-2.0 - declared in the repository

npm package @cyanheads/eur-lex-mcp-server - published under the repo owner's npm scope (@cyanheads)

registry namespace io.github.cyanheads is GitHub-verified and matches the repo owner

03 · What Eur Lex MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can resolve a CELEX number, ELI URI, ECLI, or OJ citation (Regulation (EU) 2016/679) to its canonical CELLAR work, search the EuroVoc thesaurus to resolve terms to concept URIs, and run a raw, read-only SPARQL SELECT against the CELLAR endpoint.

The 7 tools it gives your agent

Extracted from the project's README - what eur-lex-mcp-server lets an agent do.

eurlex_search_documents: - Search EU legislation, treaties, and preparatory acts by type, date, EuroVoc subject, author institution, and in-force status
eurlex_get_document: - Fetch metadata and full text (HTML, Markdown, or Formex4 XML) for an act or case by CELEX, ELI, or work URI, with a section outline of either
eurlex_lookup_celex: - Resolve a CELEX number, ELI URI, ECLI, or OJ citation (Regulation (EU) 2016/679) to its canonical CELLAR work
eurlex_get_cases: - Search CJEU and General Court case law by case number, court, case type, and date range
eurlex_get_relations: - Traverse the CELLAR relationship graph - amendments, repeals, consolidations, legal basis, citations, transpositions
eurlex_browse_subjects: - Search the EuroVoc thesaurus to resolve terms to concept URIs
eurlex_query_sparql: - Run a raw, read-only SPARQL SELECT against the CELLAR endpoint

Latest releases

v0.18.1 · 2026-09-26

Full IRI guard, EuroVoc namespace, SPARQL safety gate · isSafeSparqlIri rejects the whole IRIREF exclusion set (U+0000–U+0020 and <>"{}|^\ ) plus other Unicode whitespace, so work_uri and eurovoc_concept fail…

v0.18.0 · 2026-09-26

Case-law fields and outline, relation dates and titles · eurlex_get_cases: formation, referring_court, and advocate_general fields; the raw title returns only when the parse misses part of it, and "Joined Cases"…

v0.17.0 · 2026-09-26

OJ citations, indexed CELEX fragments, tiered EuroVoc ranking · eurlex_lookup_celex resolves OJ citations that name their act type and year (Regulation (EU) 2016/679, Directive 95/46/EC) to their CELEX, a miss returns…

04 · Who maintains Eur Lex MCP Server

eur-lex-mcp-server is maintained by cyanheads. We track 137 MCP servers from cyanheads - 131 actively maintained, 1,856 combined GitHub stars, oldest repo from Dec 2024. Full record: all servers from cyanheads.

05 · Facts

repository: github.com/cyanheads/eur-lex-mcp-server
category: other - ranked #73 of 998 actively-maintained other servers as of 2026-09-30.
release cadence: 10+ releases in the last 90 days (latest 2026-09-26)
registry: io.github.cyanheads/eur-lex-mcp-server (active, first published 2026-06-05 · 45 versions)
packages: npm:@cyanheads/eur-lex-mcp-server · npm:@cyanheads/eur-lex-mcp-server

06 · Eur Lex MCP Server FAQ

Is Eur Lex MCP Server still maintained?

Yes - as of 2026-09-30, its last commit was 2026-09-26 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

What can Eur Lex MCP Server do?

With this server connected, an agent can resolve a CELEX number, ELI URI, ECLI, or OJ citation (Regulation (EU) 2016/679) to its canonical CELLAR work, search the EuroVoc thesaurus to resolve terms to concept URIs, and run a raw, read-only SPARQL SELECT against the CELLAR endpoint.

How do I install Eur Lex MCP Server?

Run `npx -y @cyanheads/eur-lex-mcp-server`. The README documents 2 environment variables (MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL) to set first. Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL before connecting. You can also paste the ready-made client config above.

Does Eur Lex MCP Server require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-09-30; you can connect without credentials.

07 · Alternatives to Eur Lex MCP Server

Alternatives to Eur Lex MCP Server

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