Letra da Lei

About us

Brazil's public knowledge in the AI tools you already use.

Mission

Structure Brazil's public data and connect government systems so AI tools can research, draft, and act on verified sources.

What we're building

A plugin that connects to Claude, ChatGPT, and other AI tools, enabling legal professionals and public officials to draft documents and make decisions backed by Brazil's legal corpus, with article-level citations and verified sources.

01

Legal research

Claude can now search Brazil's legal system with article-level citations and awareness of which laws are currently in force.

02

Drafting support

Claude learns the patterns and legal grounding to draft briefs, legal opinions, and other documents correctly.

03

Court connections

Claude can now search cases, look up the Official Gazette, and connect to systems like eSaj. Every action requires your review before it runs.

Who it's for

Today

Legal professionals, public servants, students, and citizens navigating the legal system. Available in Claude (web and desktop) and other MCP-compatible assistants.

Later

Law firms, corporate legal departments, and government bodies that need private document libraries, custom workflows, and LGPD compliance.

Beyond Law

We start with law, but AI tools need access to far more than legal data. The same infrastructure applies to financial regulation, healthcare, and taxation. Our goal is to organize Brazil's public interest data and systems, and connect them to AI agents and the people who rely on them.