Integration details
Description
Research Brazilian law without leaving ChatGPT. Letra da Lei finds the laws and precedents that apply to your case and delivers the full text with the citation and a link to the official source. Every answer is grounded in the real sources it consulted. Not legal advice.
- Integration type
- Plugin
- Verification status
- Not applicable
- Platform
- ChatGPT
- Primary Subcategory
- Legal Research Engines
- Secondary Subcategories
- None listed
- Brand
- Letra da Lei
- Access
- Account required
- First tracked
- 2026-08-04
- Tool count
- 9
- Geography
- US
The Primary Subcategory used for this profile’s headline score.
Other Subcategories where the Integration is listed.
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Get updates when Letra da Lei’s Discoverability Score or category rank changes.
ChatGPT Plugin Discovery Score
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What discovery looks like

Competing in ChatGPT Legal Research Engines
View Category9 tools agents can invoke
How do I improve a ChatGPT Plugin's discoverability?
The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.
What are Letra da Lei alternatives on ChatGPT?
As of 2026-09-18, Letra da Lei competes with AI Attorney, AL WAKEELO, Alizé, Appealbase, Açık Silivri Havadis, BIA Edge, Bizora Tax Research, CiteCheck, CiteLaw, CourtListener, Craime, Descrybe Legal Engine, DirectCase Legal Research, eCFR MCP, ElevenFlo, F-AI Contract Template Finder, Folium Jurisprudencia Chilena, Fontis, GovQuery, GovScanner, IAJUS, IFG, Juridata, Lawstronaut, Legal Data Hunter, Legalcode, LegisGraph, LegisRatio, LibreJustice, Midpage Legal Research, Nylon, OpenRegs: Regulatory Research, Policy Doctor, realLaw AI, Red Judicial, Remedy Legal, Simpliciter AI, Special Education Law, TaxGraph, TaxMCP, Trellis Law, Trifolia, Vasara, Vitark in ChatGPT Legal Research Engines, ranked by public Discoverability Score.
Where is this profile measured?
This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.