How do I install Fr Eli?

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

Is Fr Eli safe to use?

Fr 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 Fr Eli need?

Fr Eli requires the following credentials or environment variables: FR_ELI_OAUTH_URL, FR_ELI_BASE_URL, FR_ELI_CLIENT_ID, FR_ELI_CLIENT_SECRET, FR_ELI_CACHE_DIR, FR_ELI_AUDIT_DIR. You can find setup instructions on the server detail page.

What AI apps work with Fr Eli?

Fr 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

Fr Eli MCP Server

by Matematicsolutions

Developer ToolsModerate5.2MCP RegistryLocal

Free

Server data from the Official MCP Registry

MCP server for French Legifrance (PISTE): legislation and case law with citations and ECLI.

About

MCP server for French Legifrance (PISTE): legislation and case law with citations and ECLI.

Security Report

5.2

Moderate5.2Moderate Risk

This is a well-structured MCP server for the French Legifrance API with proper OAuth2 authentication, read-only operations, and careful credential handling. The server reads credentials exclusively from environment variables, implements token caching in-memory, and includes comprehensive input validation and error handling. No security vulnerabilities were identified; minor code quality observations do not impact the overall security posture. Supply chain analysis found 6 known vulnerabilities in dependencies (1 critical, 3 high severity). Package verification found 1 issue.

7 files analyzed · 11 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.

env_vars

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

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.

What You'll Need

Set these up before or after installing:

OAuth token endpoint (sandbox default shown in .mcp.json.example).Optional

Environment variable: FR_ELI_OAUTH_URL

Legifrance lf-engine-app base.Optional

Environment variable: FR_ELI_BASE_URL

Your PISTE application client id (**required**).Optional

Environment variable: FR_ELI_CLIENT_ID

Your PISTE application client secret (**required**).Optional

Environment variable: FR_ELI_CLIENT_SECRET

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

Environment variable: FR_ELI_CACHE_DIR

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

Environment variable: FR_ELI_AUDIT_DIR

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-matematicsolutions-fr-eli-mcp": {
      "env": {
        "FR_ELI_BASE_URL": "your-fr-eli-base-url-here",
        "FR_ELI_AUDIT_DIR": "your-fr-eli-audit-dir-here",
        "FR_ELI_CACHE_DIR": "your-fr-eli-cache-dir-here",
        "FR_ELI_CLIENT_ID": "your-fr-eli-client-id-here",
        "FR_ELI_OAUTH_URL": "your-fr-eli-oauth-url-here",
        "FR_ELI_CLIENT_SECRET": "your-fr-eli-client-secret-here"
      },
      "args": [
        "fr-eli-mcp"
      ],
      "command": "uvx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

fr-eli-mcp

An MCP server for the French Legifrance API via PISTE. It searches French legislation (LODA laws & decrees, codes) and case law (JURI), and returns verbatim text with verifiable citations. Part of the eu-legal-mcp line of national legal connectors by MateMatic.

Every response carries the citation contract: a stable eli_uri, a human_readable_citation (French convention) and a resolvable source_url.

Read-only. The server only queries Legifrance and writes a local audit log. It never modifies official text and never sends anything beyond your query / document id.

Tools

Tool	What it does
`fr_search(query, fond, page_size)`	Keyword search a `fond`: `LODA` (laws & decrees), `CODE` (codes), `JURI` (case law). Returns hits with the citation contract; `CODE` hits expose matched `article_id`s.
`fr_get_act(text_id, date)`	Consult a LODA law/decree by `LEGITEXT...` id. Returns metadata + a table of contents (`articles`).
`fr_get_text(article_id)`	Verbatim text of a single article by `LEGIARTI...` id.
`fr_get_decision(decision_id)`	A JURI court decision by `JURITEXT...` id, with its native `ecli`, court, formation, solution and text.

A note on ELI vs ECLI

France has an official ELI scheme, but the PISTE lf-engine-app consult API returns the native ELI field null for the legislation we tested. Following this line's rule - say what you do not have, never fabricate an ELI - eli_uri carries the stable, resolvable Legifrance resource URL (CID-keyed), not a /eli/... string parsed from prose. Each response repeats this in eli_note.

Case law is different: the API returns a native, authoritative ECLI (e.g. ECLI:FR:CCASS:2025:C100399), surfaced verbatim in fr_get_decision.

Configuration

Legifrance requires OAuth2 application credentials from a free PISTE account (piste.gouv.fr → Applications → subscribe to the Legifrance API → OAuth Credentials). Credentials are read from the environment only:

Variable	Meaning
`FR_ELI_OAUTH_URL`	OAuth token endpoint (sandbox default shown in `.mcp.json.example`).
`FR_ELI_BASE_URL`	Legifrance `lf-engine-app` base.
`FR_ELI_CLIENT_ID`	Your PISTE application client id (required).
`FR_ELI_CLIENT_SECRET`	Your PISTE application client secret (required).
`FR_ELI_CACHE_DIR`	Disk cache dir (default `~/.matematic/cache/fr-eli`).
`FR_ELI_AUDIT_DIR`	Audit log dir (default `~/.matematic/audit`).

Copy .mcp.json.example to .mcp.json (gitignored) and fill in your credentials, or set the variables in your host environment. The OAuth token is cached in memory and refreshed automatically.

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, no creds
pytest tests/test_smoke.py -v                                 # live, needs PISTE creds in .env

Distribution

Because Legifrance requires a PISTE key, this connector is distributed through the PATRON / appliance channel (governed), not casual drop-in download. See the eu-legal-mcp line notes.

Licence

Apache-2.0. Legifrance content is © the French Republic / DILA and subject to the Legifrance / PISTE terms of use; this software only retrieves and cites it.

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Fr Eli MCP Server

About

Security Report

Findings (11)Action required

Permissions Required

What You'll Need

How to Install

Documentation

fr-eli-mcp

Tools

A note on ELI vs ECLI

Configuration

Install

Tests

Distribution

Licence

Reviews

No reviews yet

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