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Pasal

Pasal.id - The first open, AI-native Indonesian legal platform. MCP server + REST API + web app giving AI grounded access Indonesian laws.

Install

$claude mcp add --transport http pasal-id https://pasal-mcp-server-production.up.railway.app/mcp

Install command taken from the project's README or registry entry. Always review code before running it.

The First Open, AI-Native Platform for Indonesian Law

Demo Video · Website · Connect to Claude · REST API · AGPL-3.0 License


The Problem

280 million Indonesians have no practical way to read their own laws. The official legal database (peraturan.go.id) offers only PDF downloads: no search, no structure, no API. When you ask AI about Indonesian law, you get hallucinated articles and wrong citations because no grounded data source exists.

Try It Now

Connect Claude to real Indonesian legal data in one command:

claude mcp add --transport http pasal-id https://pasal-mcp-server-production.up.railway.app/mcp

Then ask:

"Apa saja hak pekerja kontrak menurut UU Ketenagakerjaan?" (What are contract worker rights under the Labor Law?) "Jelaskan pasal tentang perlindungan data pribadi" (Explain articles on personal data protection) "Apakah UU Perkawinan 1974 masih berlaku?" (Is the 1974 Marriage Law still in force?)

Claude searches 40,000+ regulations and 937,000+ structured articles, cites specific Pasal (articles), and gives grounded answers. No hallucination.

Or browse the web app at pasal.id.

What We Built

Feature Description
Search Full-Text Legal Search Indonesian stemmer + 3-tier fallback across 937,000+ articles
Read Structured Reader Three-column law reader with TOC, amendment timeline, and verification badges
AI MCP Server 4 grounded tools giving Claude access to actual legislation with exact citations
API REST API Public JSON endpoints for search, browsing, and article retrieval
Correct Crowd-Sourced Corrections Anyone can submit corrections; AI verifies before applying
Verify AI Verification Agent Opus 4.6 vision compares parsed text against original PDF images
Track Amendment Chains Full relationship tracking: amendments, revocations, cross-references
Globe Bilingual UI Indonesian + English interface via next-intl (legal content stays Indonesian)

How Opus 4.6 Powers the Platform

The entire codebase, from the Next.js frontend to the MCP server to the data pipeline, was built with Claude Opus 4.6 via Claude Code during the hackathon period. But Opus 4.6 isn't just the development tool. It's embedded in the product itself, running a self-improving correction flywheel that makes the platform more accurate over time:

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