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lex
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lex

Active·★ 76·MIT·Updated 2026-10-21

Lex provides programmatic access to millions of UK legal documents with advanced semantic search. It supports Model Context Protocol integration for AI assistants and includes datasets for legislation, explanatory notes, and amendments.

#agent#agentic#ai#caselaw#deep-res#digitization#govtech#historical-data
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Guides
$ Install
$ git clone https://github.com/i-dot-ai/lex.git && cd lex && cp .env.example .env && docker compose up -d && make ingest-all-sample
↗ Visit site★ GitHub
01

Features

01Comprehensive UK legislation data from 1267 to present
02Semantic search capabilities
03Model Context Protocol (MCP) integration
04AI-powered PDF digitization for historical legislation
05Support for multiple AI assistant platforms
02

Compatibility

Claude Desktop
Claude Desktop
Verified via docs
Claude Code
Claude Code
Verified via docs
Cursor
Cursor
Verified via docs
Microsoft Copilot Studio
Microsoft Copilot Studio
Verified via docs
VS Code + GitHub Copilot
VS Code + GitHub Copilot
Verified via docs
03

Quick start

1
$ git clone https://github.com/i-dot-ai/lex.git
2
$ cd lex
3
$ cp .env.example .env
4
$ docker compose up -d
5
$ make ingest-all-sample
04

Use cases

↳Legal Research - Find precedents and relevant legislation in seconds
↳Policy Analysis - Track legislative changes over time
↳AI Grounding - Ground AI assistants in authoritative UK legal sources
05

Alternatives

⚡Top VS:
VSholaOS★11.5k→VSmcp★115→VSgradle-mcp★68→VSskybridge

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i-dot-ai /
lex
↗

UK legal API for AI agents and researchers.

76MIT
Last commit2d ago
StatusActive
CategoryDev Tooling
Links
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