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Jus MCP

All of Brazilian legal in one connection: cases by name/CPF/CNPJ/number, DJEN publications and notices, case law, legal calculations, PNCP procurement and TCU rulings, good standing certificates, sanctions and compliance, and over 150 queries to official sources and bodies. Hosted by the platform, no login required, free public sources, and prepaid credit only on paid queries.

  • ⚖️ One MCP, not thirty — cases, publications, case law, calculations, procurement, certificates, and compliance in the SAME query

  • 🔎 Discover by name, CPF, CNPJ, or case number, with a consolidated X-ray (legal_dossie)

  • 📢 DJEN publications and notices by OAB, party, or case

  • 📜 Case law and precedents from the superior courts

  • 🧮 16 legal calculations — monetary adjustment, labor, FGTS, alimony, sentencing, RMI, partition

  • 🏛️ Procurement (PNCP) and TCU rulings

  • 🧾 Good standing certificates (CND Federal/PGFN, CNDT, FGTS)

  • 🛡️ Compliance and sanctions — PEP, OFAC/UN/EU/UK, CEIS/CNEP, misconduct

  • 📥 Downloads the case's public decisions (rulings and full teer) already converted to text

  • 🗂️ +150 queries to official bodies — state courts, notary offices, protests, prosecutor's offices, MP offices

  • No login, no credentials — works on the first prompt

  • 💳 Free public sources; only paid queries deduct credit, at the SAME price as the standalone MCP

  • 💬 Works with any MCP client: Claude Desktop, Cursor, VS Code, Cline, Continue

English version · Full documentation · Skill for AI agents


One-click install

Claude (Web and Desktop)

Anthropic centralized MCP installation at claude.ai/customize/connectors. The same link works for Claude Web and Claude Desktop (just log in):

➕ Open in Claude and connect

Manual (if the direct link doesn't open): claude.ai/customize/connectors+Add custom connector → paste Name Jus MCP and URL https://api.mcp.ai/jus.

Cursor

➕ Install Jus MCP in Cursor

VS Code (Copilot Chat)

➕ Install Jus MCP in VS Code

ChatGPT, Manus, OpenClaw, and 40+ more clients

Works in any MCP client that supports MCP over HTTP. The server URL is always:

https://api.mcp.ai/jus

Per-client details: INSTALL.md.


Related MCP server: Processos Judiciais (Completa)

Usage examples

Monte um raio-X dos processos de Fulano de Tal
Tem intimação para a OAB 21076/SP nos últimos 7 dias?
Atualize R$ 12.500 pelo IPCA de 01/2020 até hoje e calcule os juros
Esse CNPJ tem CNDT negativa e aparece em alguma lista de inidôneos?

270 tools available

Tool

Description

pncp_buscar

Searches bids by KEYWORD in the subject (broad NATIONAL coverage, full-text index), in public notices, minutes, or contracts.

pncp_listar

SEARCH MAIN NUMERIC: open bids by keyword, VALUE range, state, modality, and period.

pncp_oportunidades

Search for bidding OPPORTUNITIES (notices/reverse auctions) with rich filters: keyword, PURCHASE VALUE RANGE, UFs, modalities, portals, price record, exclusive ME/EPP participation, and super-opportunities.

pncp_processo

Detail of opportunity(ies) by id (from pncp_listar/pncp_oportunidades).

pncp_detalhe

Complete detail of a bid/bid, procurement contract from cnpj+year+sequential (the reference returned by pncp_buscar).

pncp_resultado

Who WON the bidding: the approved winner(s) of the supplier(s) from cnpj+year+sequential (the reference returned by pncp_buscar).

pncp_arquivos

Documents of a bidding / public notice (. notice, terms of reference, annexes) with the DOWNLOAD LINK of each file (generally PDF).

pncp_texto

TEXT of the whole notice in markdown (with ## Page N marks), so you can LISTEN/docru or read the whole document.

pncp_contratos

Lists public contracts signed within a period, optionally filtered by agency (CNPJ).

pncp_atas

Lists price registration cards in force within a period (reference of prices practiced by the government), optionally by agency (CNPJ).

pncp_pca

Annual contracting plan (PCA) by year and catalog higher–top classification: what the agencies plan to contract in the year.

pncp_historico

Historical bids archive: searches notices the platform accumulated over time (including those already ended or out of the air), by KEYWORD in the subject, UF, modality, status and period…

pncp_orgaos

Search of BUYING agencies/entities by name, UF and/or portal.

tcu_buscar

Full-text search (by keyword) in the decisions of TCU.

tcu_acordaos_recentes

Lists the most recent TCU rulings (official open data), paginated, without keyword: summary, justice, collegiate, session date, and links.

datajud_get_processo

Searches a case by the unique CNJ number (with or without mask) in a court.

datajud_search

Searches cases in the same court by class, court and/or subject (CNJ codes), paginated and ordered by filing date.

datajud_movimentos

Returns only the movement history (+ metadata) of a case — ideal to know if there is new motion.

datajud_raw_query

Advanced: sends raw Elasticsearch query body to the court index (escape hatch).

calculo_atualizar

Monetary update / judicial debt settlement: corrects discharge payments by an official index (IPCA, INPC, IGP-M, SELIC, TR…) and applies interest, fine, and fees.

calculo_indice

Official index query: accumulation correction factor between two dates (first month excluded, month included — BACEN/IBGE convention).

calculo_salario_minimo

Current national minimum wage for a year (dynamic, IPEADATA).

calculo_aluguel

Overdue rents (Law 8.245/91): updates the rent during the lease term, corrects each monthly overdue amount up to now, applies late interest (1% per month) and late fine.

calculo_pens__cancelled__sao_pensao?

(PT source truncated in the original table; proceeding as in source.)

calculo_pensao

Overdue alimony¹ (art.

calculo_trabalhista

Labor rights/labor settlement (CLT): salary balance, paid absence (Law 12.506/2011), proportional 13th, proportional vacation + 1/3, expired vacation, example FGTS, with deductions…

calculo_fgts

FGTS correction (TR to INPC/IPCA-E, STF judgment): corrects each deposit by inflation rate minus TR, with annual interest.

calculo_dosimetria

Penal sentence (art. 68 CP, three‑phase method): base price on judicial circumstances (art. 59), intermediate penalty for mitigating/aggravating (Herring & Smit), final penalty with applicable increases/decreases.

calculo_progressao

Regime progression (LEP art.

calculo_partilha

Division of assets in a divorce (Civil Code): computes the shareable estate (taxes minus debts by the regime) and the spouse's share, calculation of the balance.

calculo_tempo_contribuicao

Contribution time (CNIS): adds periods, counts simultaneous time once, converts special activity into common after EXP/EC 103/2019. (Limits: up to 11/13/2019.)

calculo_rmi

RMI — Initial income (post traditional EC 103/2019): average contribution salary × coefficient (60% + 2% per year over 20H/15M), with floor minimum wage and ceiling INSS.

calculo_revisional

Bank accounting review: recalculates the financing by the BACEN market medium (live query by type+month), computing each residual (Price or SAC).

calculo_superendividamento

Over‑indebtedness (Law 14.181/2021): monthly income commitment, minimum income portion (R$ 600, recurrent), available income and the 5‑year payment plan capacity.

calculo_rmc_rcc

RMC/CC — payroll credit card margin compression (INSS, codes 217/268): limit of 5% and corrected restitution compensation.

calculo_restituicao_inss

Restitution of INSS improper contributions (paycheque fraud, codes 217/268): sum of returned/ corrected amounts.

djen_search_comunicacoes

Searches the National Electronic Legal Daily (DJEN) website for order, lawyer name, case number, tribunal and date.

dven_processos_por_parte

DISCOVERY by party name (no capcha): finds the DJEN for anyone in the case, groups by number and returns the processes of the person/company with parties and court.

djen_get_certidao

Returns the pin URL of a DJEN notice certificate (PDF) by its hash field.

processos_buscar_por_nome

DISCOVERY: finds cases by PART NAME (person or company), scraping the public tribunals portals (ESAJ/PJe/eproc/

Details of each tool: docs/ferramentas.md


How it works

1. Instala o MCP no seu cliente (Claude / Cursor / VS Code)
2. Pergunta em português — sem login, sem chave de API
3. O agente escolhe a fonte certa entre ~270 ferramentas
4. Fontes públicas (processos, publicações, jurisprudência, cálculos,
   licitações, acórdãos) são GRÁTIS
5. Consultas pagas (certidões, compliance, sanções, cartórios) descontam
   crédito pré-pago, pelo mesmo preço do MCP avulso

Each family is also available as a separate MCP server (Legal, DataJud, Cálculo, PNCP, TCU, INPI, Certidões, Compliance). Jus is the bundle: one URL, one credit wallet.


Pricing

Prepaid (credit wallet), pay per use. Check docs/precos.md.


Privacy & LGPD

  • Read-only, no tool modifies data at the source.

  • Sub-processors: the LLM host you choose (Claude, ChatGPT, Cursor, your own agent). Full list at docs/privacidade-lgpd.md.

  • The data returned by the tools is sent to the LLM host you choose, a sub-processor outside our control. We recommend plans with training opt-out.


Frequently asked questions

**Do you need a login or an account? No, not to start. Public sources answer the first question. Only paid queries require an account with a credit balance.

**Does it cost more than installing the MCPs separately? No. Each query costs exactly the same as it would in the standalone MCP — the bundle is discovery convenience, not extra markup.

What is free? Court cases and case updates (CNJ/DataJud), publications and court notices (DJEN), jurisprudence, CNPJ/CPF data, transparency, municipal gazettes, the 16 court calculations, PNCP bidding and TCU decisions.

**Does it retrieve cases under judicial secrecy? No. Only what is public in the official databases.

**Does it download the case documents/decisions? PUBLIC DECISIONS: yes — rulings and full records, downloaded from the court and already converted to text, with a temporary PDF link. The full court record, including motions, depends on an attorney credential on the court system, we don’t do that.

**Is the server open source? The server is proprietary (hosted). This repository is the public wrapper with manifests, docs, and skills, all MIT.


Support


License

MIT — see LICENSE. The MCP server at api.mcp.ai/jus is proprietary (hosted). This repository (manifests, docs, disclosures) is MIT.

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license - permissive license
Not graded
quality - not tested
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maintenance

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