How do I install Lu Eli?

Lu Eli is a local plugin. Install it using PyPI package: lu-eli-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

Is Lu Eli safe to use?

Lu Eli scored 5.2/10 (moderate risk) in MCP Marketplace's automated security scan. It has 4 high or critical findings to review. It's listed, but review the security report on this page before installing.

What credentials does Lu Eli need?

Lu Eli requires the following credentials or environment variables: LU_ELI_BASE_URL, LU_ELI_CACHE_DIR, LU_ELI_AUDIT_DIR. You can find setup instructions on the server detail page.

What AI apps work with Lu Eli?

Lu Eli uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

Back to Browse

Lu Eli MCP Server

by Matematicsolutions

Developer ToolsModerate5.2MCP RegistryLocal

Free

Server data from the Official MCP Registry

MCP server for Luxembourg Legilux: ELI-native legislation and Akoma Ntoso with citations.

About

MCP server for Luxembourg Legilux: ELI-native legislation and Akoma Ntoso with citations.

Security Report

5.2

Moderate5.2Moderate Risk

A well-structured, read-only MCP server for Luxembourg legislation with proper authentication model (keyless public API), secure credential handling, and appropriate permissions. The code is clean with good error handling and input validation. Minor code quality observations do not materially impact security. Supply chain analysis found 6 known vulnerabilities in dependencies (1 critical, 3 high severity). Package verification found 1 issue.

7 files analyzed · 10 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

env_vars

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

Legilux data host (default https://data.legilux.public.lu).Optional

Environment variable: LU_ELI_BASE_URL

Disk cache dir (default ~/.matematic/cache/lu-eli).Optional

Environment variable: LU_ELI_CACHE_DIR

Audit log dir (default ~/.matematic/audit).Optional

Environment variable: LU_ELI_AUDIT_DIR

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-matematicsolutions-lu-eli-mcp": {
      "env": {
        "LU_ELI_BASE_URL": "your-lu-eli-base-url-here",
        "LU_ELI_AUDIT_DIR": "your-lu-eli-audit-dir-here",
        "LU_ELI_CACHE_DIR": "your-lu-eli-cache-dir-here"
      },
      "args": [
        "lu-eli-mcp"
      ],
      "command": "uvx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

lu-eli-mcp

An MCP server for Luxembourg legislation via Legilux open data (data.legilux.public.lu). It fetches act metadata and full Akoma Ntoso text with verifiable citations. Part of the eu-legal-mcp line of national legal connectors by MateMatic.

Legilux is genuinely ELI-native: every act is addressed by its ELI and described as jolux RDF over a FRBR model (Work / Expression / Manifestation), with full text as Akoma Ntoso XML. Every response carries a native eli_uri, a human_readable_citation and a resolvable source_url.

Read-only. The server only queries Legilux and writes a local audit log. It never modifies official text.

Tools

Tool	What it does
`lu_get_act(eli)`	Metadata for an act by its ELI (full URI or bare `eli/...` path). Returns the native `eli_uri`, title, dates, in-force status, available languages / manifestations, and the act's `cites` / `modifies` / `repeals` links.
`lu_get_text(eli, language, file_format)`	Verbatim text in one `language` (default `fr`) and `file_format` (default `xml`, Akoma Ntoso).

There is no free-text search: Legilux exposes no HTTP search endpoint. Discover acts by ELI coordinates (from legilux.public.lu) or by following the cites / modifies / repeals ELIs that lu_get_act returns. Luxembourg is multilingual, so titles and text may be French or German; the languages field shows what exists for a given act.

Configuration

Legilux is keyless. Configuration is optional:

Variable	Meaning
`LU_ELI_BASE_URL`	Legilux data host (default `https://data.legilux.public.lu`).
`LU_ELI_CACHE_DIR`	Disk cache dir (default `~/.matematic/cache/lu-eli`).
`LU_ELI_AUDIT_DIR`	Audit log dir (default `~/.matematic/audit`).

Copy .mcp.json.example to your MCP client config.

Install

py -3.13 -m venv .venv
.\.venv\Scripts\python.exe -m pip install -e ".[dev]"   # Windows
# or: python -m pip install -e ".[dev]"                  # POSIX

Tests

pytest tests/test_instructions_drift.py tests/test_parse.py   # offline
pytest tests/test_smoke.py -v                                 # live, hits Legilux

Licence

Apache-2.0. Legilux content is © the Grand Duchy of Luxembourg; this software only retrieves and cites it.

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Lu Eli MCP Server

About

Security Report

Findings (10)Action required

Permissions Required

What You'll Need

How to Install

Documentation

lu-eli-mcp

Tools

Configuration

Install

Tests

Licence

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