legal-cite
Verifies legal citations by fetching the exact, in-force wording of cited articles from official PL and EU legal sources, preventing hallucination by returning verbatim text.
README
legal-cite
Legal citation verifier (PL / EU law) — an MCP server that fetches the exact, in-force wording of a cited article straight from the official source. An anti-hallucination tool for Claude (and any MCP client): instead of trusting the model's memory of a statute, it returns the verbatim text of the cited article from the official register.
Weryfikator cytatów prawnych (prawo PL / UE) — serwer MCP pobierający dokładne, aktualne brzmienie cytowanego artykułu prosto z oficjalnego źródła. Narzędzie anti-halucynacyjne dla Claude (i dowolnego klienta MCP).
- 🇵🇱 PL law —
api.sejm.gov.pl(ELI). Returns the consolidated text (tekst jednolity, currently in force), not the original as-promulgated version. - 🇪🇺 EU law — EUR-Lex (Polish text). Note: EUR-Lex sometimes serves a bot-challenge (HTTP 202) → returns an error instead of text.
Returns only the cited article (not the whole act). The quote comes straight from the source.
English
Tools
verify_article("art. 45 u.k.k.")— the wording of a provision. Format:art. N [ust. M] CODE. Handles letter suffixes (art. 36a),§as a unit (art. 58 § 2 KC), superscripts (art. 385¹/385[1]).list_acts()— list of supported act codes (PL + EU).
Run locally (stdio — Claude Desktop / Claude Code)
pip install -e .
legal-cite # stdio
claude_desktop_config.json:
{ "mcpServers": { "legal-cite": { "command": "legal-cite" } } }
Deploy to Cloud Run (streamable-http — one shared URL)
gcloud run deploy legal-cite \
--source=. \
--region=europe-west4 \
--allow-unauthenticated \
--memory=256Mi --cpu=1 --max-instances=2 --port=8080
Public, no-auth is safe here — the service serves only public legal texts (no data, no database, no LLM calls).
Connect in Claude: Connectors → Add custom connector → https://<service-url>.run.app/mcp (streamable-http mounts MCP at /mcp).
Add a new act
Add an entry to PL_ACTS (key = abbreviation; pub/year/pos from the Journal of Laws / ELI) or EU_ACTS (key = abbreviation, celex) in legal_cite/core.py.
Polski
Narzędzia
verify_article("art. 45 u.k.k.")— brzmienie przepisu. Format:art. N [ust. M] KOD. Obsługuje sufiks literowy (art. 36a), § jako jednostkę (art. 58 § 2 KC), indeks górny (art. 385¹/385[1]).list_acts()— lista obsługiwanych kodów aktów (PL + UE).
Uruchomienie lokalne (stdio — Claude Desktop / Claude Code)
pip install -e .
legal-cite # stdio
Wpis w claude_desktop_config.json:
{ "mcpServers": { "legal-cite": { "command": "legal-cite" } } }
Deploy na Cloud Run (streamable-http — współdzielony URL)
gcloud run deploy legal-cite \
--source=. \
--region=europe-west4 \
--allow-unauthenticated \
--memory=256Mi --cpu=1 --max-instances=2 --port=8080
Publiczny bez auth jest tu bezpieczny — serwis serwuje wyłącznie publiczne teksty aktów (zero danych, zero bazy, zero wywołań LLM).
Podłączenie w Claude: Connectors → Add custom connector → https://<adres-serwisu>.run.app/mcp.
Ekosystem / Related
Część zestawu otwartych narzędzi LegalTech (PL):
- legal-cite-pl — (ten projekt) MCP: weryfikacja brzmienia przepisu PL/UE ze źródła.
- commercial-legal-pl — Claude skill: redakcja i analiza umów (PL); używa
verify_article. - anon-legal-pl — lokalna anonimizacja akt prawnych (PL).
- kancelaria-dms — DMS/CRM dla kancelarii (Google Workspace).
License
Apache License 2.0 — see LICENSE.
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