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  1. Home
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  3. Justicelibre
Justicelibre logo
Health: ActiveRecent health check succeeded.Last checked 9/22/2026, 1:32:32 PM

Justicelibre

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
View Repository10 GitHub StarsTotal stargazers on GitHub for the source repository (10 stars).Visit Website

Free access to ~1M French administrative court decisions via MCP

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to CursorAdd to VS Code
Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Remote HTTP
Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "justicelibre": {
      "url": "https://justicelibre.org/mcp"
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing Alternatives⚖️ More in Legal

Documentation Overview

JusticeLibre

🌐 Site officiel : https://justicelibre.org 📡 Endpoint MCP : https://justicelibre.org/mcp (Streamable HTTP, sans clé)

L'accès libre à la jurisprudence française et européenne. Alternative open source à Doctrine, Lexis et Légifrance.

Site MCP Server Décisions Articles de loi Licence

Serveur Model Context Protocol (MCP) qui expose ~3,3 M décisions de justice + ~1,5 M articles de loi consolidés + ~700 k textes annexes (KALI/JORF/CNIL) de la France, de l'UE et du Conseil de l'Europe — gratuit, sans authentification, indexé sur Google.

SourceVolumeCouverture
Cour de cassation + cours d'appel + Conseil constitutionnel1 169 102DILA bulks + Judilibre PISTE
Conseil d'État + 9 CAA + 40 TA (JADE bulk)552 576DILA bulk
Open data justice administrative (CE/CAA/TA récents)985 996API justice-administrative.fr
ArianeWeb (Conseil d'État)70 396scrape Sinequa
Cour Européenne des Droits de l'Homme76 051HUDOC (FR + fallback EN)
Cour de Justice de l'Union Européenne44 270EUR-Lex / Cellar
INCA (jurisprudence judiciaire ancienne)382 480DILA bulk
TOTAL décisions~3,28 M
Articles de loi en vigueur (LEGI)1 481 309DILA bulk
Conventions collectives (KALI)286 732DILA bulk
JO (textes non codifiés)409 564DILA bulk
Délibérations CNIL8 126DILA bulk

Pourquoi JusticeLibre

Les outils juridiques propriétaires (Pappers Justice, Doctrine.fr, Lexis 360, Dalloz) coûtent 50-200 €/mois et ferment l'accès au droit derrière un paywall. L'open data juridique français existe (loi 2016 République Numérique, loi 2019 réforme de la justice) mais reste techniquement inaccessible :

  • Légifrance n'expose que ~25% de la jurisprudence en open data, fragmenté
  • Judilibre nécessite OAuth2 PISTE (frictionnel, oublie ChatGPT/Claude classique)
  • Les bulks DILA arrivent en ZIPs XML bruts de plusieurs Go, inutilisables sans pipeline ETL
  • Les TAs ne sont diffusés que par une API Elasticsearch non documentée

JusticeLibre rend cette donnée immédiatement utilisable par tout LLM ou humain :

  • ✅ Aucune clé, aucun compte : utilisable depuis Claude.ai, ChatGPT, Cursor, Zed, Continue immédiatement
  • ✅ Couverture unique : Cour de cassation + Conseil d'État + Conseil constitutionnel + 9 CAA + 40 TA + CEDH + CJUE + délibérations CNIL
  • ✅ Articles de loi avec versions historiques : "quel était l'article 1382 CC en 1992 ?" → texte napoléonien, pas la réforme 2016
  • ✅ Indexable Google : ~3 M URLs SSR exposées (sitemap), pas un SPA bot-blind
  • ✅ Open source MIT : auto-hébergeable

Comparaison

JusticeLibrePappers JusticeOpenLegimcp-juridique.frDoctrine.fr
Gratuit✅❌ payantpartiel❌ payant❌ 50€/mois
Sans inscription✅❌❌❌❌
Cour EDH✅ 76k décisions❌❌❌⚠️ partiel
CJUE✅ 44k arrêts❌❌❌⚠️ partiel
Conseil constit.✅ 7k décisions + tool dédié⚠️❌⚠️✅
40 TA en parallèle✅ fan-out⚠️ partiel❌❌✅
9 CAA en parallèle✅ fan-out⚠️❌❌✅
CNIL délibérations✅ ~8k❌❌⚠️❌
Articles loi versionnés✅ 1.5M⚠️⚠️ Légifrance brut⚠️✅
BM25 pertinence✅⚠️⚠️⚠️✅
Open source✅ MIT❌⚠️❌❌
MCP natif✅ Streamable HTTP✅✅✅❌ (REST seul)
Indexable Google✅ 3M SSR pages❌ SPA❌❌❌

Outils MCP exposés (29)

Recherche fédérée

OutilDescription
search_allFan-out parallèle sur toutes les sources, ranking BM25 + bonus autorité (CE +20%, Cass +15%, CEDH +15%, CAA +10%)
about_justicelibrePrésentation des tools, hiérarchie d'autorité, workflow recommandé

Jurisprudence judiciaire (PISTE Judilibre + bulk DILA)

OutilDescription
search_judiciaire_libre1.17M décisions (Cass + CA + Conseil constit.) - bulk DILA, sans auth
get_decision_judiciaire_libreTexte intégral via JURITEXT/CONSTEXT id
search_judiciaireLive PISTE Judilibre (besoin OAuth)
get_decision_judiciaireTexte via PISTE
search_ccConseil constitutionnel dédié (7112 décisions, filtre par nature : QPC/DC/L/SEN/AN/PDR)
get_cc_decisionCette décision CC, par son numéro (ex: "2023-1048 QPC"). Lookup exact : un numéro porté par plusieurs natures (2019-778 existe en DC et en QPC) est refusé tant que nature n'est pas précisé, plutôt que de servir un voisin. Pour la postérité d'une décision (qui la cite, la confirme, la renverse) : search_cc(query='"2019-778 DC"')

Jurisprudence administrative (CE + 9 CAA + 40 TA)

OutilDescription
search_adminBM25 pondéré sur 552k décisions admin bulk JADE
get_admin_decisionLookup par numéro de requête (désambiguïsation par juridiction). Échoue si le numéro est introuvable — ne sert jamais la décision « la plus proche »
get_ce_decisionCE spécifique, avec repli ArianeWeb si le numéro n'est pas dans le bulk. Idem : pas de résultat approchant
search_conseil_etat~270k CE via Sinequa (moteur sémantique natif)
get_decision_textTexte intégral via DCE/DTA/DCAA id
search_admin_recent / _all_caa / _all_taTri date desc pour l'actualité
list_juridictions51 codes juridiction (CE, CAA13...78, TA06...109)

Jurisprudence européenne

OutilDescription
search_cedh76k décisions Cour EDH avec sémantique ECHR
get_decision_cedhTexte via itemid (ex: "001-249914")
search_cjue44k arrêts CJUE + Tribunal UE
get_decision_cjueVia CELEX ou ECLI

Articles de loi (killer feature)

OutilDescription
get_law_articleArticle à une date donnée. Ex: ("CC","1128","1992-05-15") -> texte napoléonien ; ("CC","1128","2024-01-01") -> texte post-réforme. titre_texte = titre du texte parent ; la hiérarchie des sections (partie/livre/titre/chapitre) n'est pas ingérée du bulk LEGI et n'est donc pas renvoyée
get_law_versionsTimeline complète des versions d'un article
search_legiBM25 sur 1.5M articles consolidés (79 codes + Constitution + lois non codifiées). Un sigle code inconnu renvoie une erreur, jamais une recherche non filtrée déguisée en succès
search_decisions_citingCross-référence inverse : "quelles décisions citent l'article X ?"
resolve_law_numberNuméro loi/ord/décret -> LEGITEXT/JORFTEXT
build_source_urlURL Légifrance canonique pour un identifier

Droit positif complémentaire

OutilDescription
search_jorf1.24M textes JO (lois, décrets, arrêtés, circulaires depuis 1990)
search_kali335k conventions collectives + accords de branche
search_cnil~8k délibérations CNIL (RGPD, données personnelles)

Quick start

Claude Desktop / Claude.ai

Dans Settings -> Connectors -> Add custom connector :

Code
URL : https://justicelibre.org/mcp
Auth : aucune

ChatGPT / Cursor / Zed / Continue

Ajoute le serveur MCP https://justicelibre.org/mcp à ta config (cf doc de chaque client).

Auto-hébergement

bash
git clone https://github.com/Dahliyaal/justicelibre.git
cd justicelibre
pip install -r requirements.txt

# Mode stdio (Claude Desktop)
python3 server.py

# Mode Streamable HTTP (Claude.ai web, OpenAI connectors)
python3 server.py http   # listen 0.0.0.0:8765

Exemples d'usage

Contentieux QPC

python
# Toutes les QPC sur l'article 8 DDHC ces 2 dernières années
search_cc(query="proportionnalité", nature="QPC",
          date_min="2024-01-01", date_max="2026-01-01")

Recours CEDH

python
# Décisions CEDH France sur la garde à vue
search_cedh(query="garde à vue France")
# Texte intégral
get_decision_cedh(itemid="001-249914")

Recherche jurisprudence administrative ciblée

python
# Tous les TA + CAA en parallèle sur "harcèlement institutionnel"
search_admin(query="harcèlement institutionnel université",
             sort="relevance", limit=30)
# TA Lyon spécifique
get_admin_decision(numero="2200433", juridiction="Tribunal Administratif de Lyon")

Article de loi à une date précise

python
# L. 262-8 CASF en vigueur au 1er janvier 2023
get_law_article(code="CASF", num="L262-8", date="2023-01-01")
# Toutes les versions historiques
get_law_versions(code="CC", num="1128")

Architecture

Read the full README →View source on GitHub →

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Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

GitHub stars
10
Stargazers on the source repository.
Last commit
1mo ago
Most recent push to the default branch.
Directory activity
1 views
Config copies, upvotes, and views on AllMCPs.

Reviews

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Frequently Asked Questions about Justicelibre

justicelibre is a hosted MCP server. Add it as a remote server in your client's config: "mcpServers": { "justicelibre": { "url": "https://justicelibre.org/mcp" } }

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Technical Specs & Signals

Category⚖️Legal
More technical detailsExpand ▾
TransportSSE (Remote)
Last updatedAug 16, 2026
6/6 checks healthy over the last 46d
Views1
Unique ViewsTotal visits recorded for this listing page on AllMCPs.
Installs0
Installs & Copy ActionsTotal times users copied install commands or configuration snippets for this server.
GitHub stars10
GitHub Star CountTotal stargazers on GitHub representing community popularity (10 stars).
Last commit1mo ago
Last Repository CommitThe most recent commit or push recorded for this server's GitHub repository.Last commit on Aug 16, 2026
39Quality signal: Fair · 39/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools15/30
Adoption & activity4/15
Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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More in ⚖️ Legal →Best MCP servers for Legal →Alternatives to Justicelibre →Install in Claude DesktopInstall in CursorInstall in VS CodeSetup guides for all 13 MCP clients