@ansvar/indonesian-law-mcp

Indonesian Law MCP Server

The peraturan.go.id alternative for the AI age.

Query 1,924 Indonesian Undang-Undang (laws) -- from the PDP Law and ITE Law to the Constitution and Company Law -- directly from Claude, Cursor, or any MCP-compatible client.

If you're building legal tech, compliance tools, or doing Indonesian legal research, this is your verified reference database.

Built by Ansvar Systems -- Stockholm, Sweden

Why This Exists

Indonesian legal research is scattered across peraturan.go.id, peraturan.bpk.go.id, JDIH Nasional, and individual ministry databases. Whether you're:

• A compliance officer checking PDP Law (data protection) obligations
• A legal tech developer building tools on Indonesian law
• A lawyer validating ITE Law provisions for e-commerce compliance
• A researcher analysing ASEAN data protection frameworks

...you shouldn't need to parse government PDFs and navigate fragmented databases. Ask Claude. Get the exact provision. With context.

This MCP server makes Indonesian law searchable, cross-referenceable, and AI-readable.

Quick Start

Use Remotely (No Install Needed)

Connect directly to the hosted version -- zero dependencies, nothing to install.

Endpoint: https://indonesian-law-mcp.vercel.app/mcp

Client	How to Connect
Claude.ai	Settings > Connectors > Add Integration > paste URL
Claude Code	claude mcp add indonesian-law --transport http https://indonesian-law-mcp.vercel.app/mcp
Claude Desktop	Add to config (see below)
GitHub Copilot	Add to VS Code settings (see below)

Claude Desktop -- add to claude_desktop_config.json:

{
  "mcpServers": {
    "indonesian-law": {
      "type": "url",
      "url": "https://indonesian-law-mcp.vercel.app/mcp"
    }
  }
}

GitHub Copilot -- add to VS Code settings.json:

{
  "github.copilot.chat.mcp.servers": {
    "indonesian-law": {
      "type": "http",
      "url": "https://indonesian-law-mcp.vercel.app/mcp"
    }
  }
}

Use Locally (npm)

npx @ansvar/indonesian-law-mcp

Claude Desktop -- add to claude_desktop_config.json:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "indonesian-law": {
      "command": "npx",
      "args": ["-y", "@ansvar/indonesian-law-mcp"]
    }
  }
}

Cursor / VS Code:

{
  "mcp.servers": {
    "indonesian-law": {
      "command": "npx",
      "args": ["-y", "@ansvar/indonesian-law-mcp"]
    }
  }
}

Example Queries

Once connected, just ask naturally:

• "What does Pasal 1 of UU PDP (UU 27/2022) define as personal data?"
• "Find provisions about transaksi elektronik in Indonesian law"
• "What are the data controller obligations in the PDP Law?"
• "Is UU 11/2008 (ITE Law) still in force?"
• "Find consumer protection provisions in Indonesian law"
• "What does UU 36/1999 say about telecommunications?"
• "Search for 'transfer dana' in Indonesian legislation"

What's Included

Category	Count	Details
Laws (Undang-Undang)	1,924	Full census of Indonesian national legislation
Provisions (Pasal)	2,225	Full-text searchable with FTS5
Legal Definitions	65	Extracted from Pasal 1 (Ketentuan Umum)
Full-text Laws	8	PDP, ITE, Company, Consumer Protection, Telecom, Trade, Fund Transfer
Metadata-only Laws	1,916	Title, year, number, status, source URL
Database Size	~2.1 MB	Optimized SQLite, portable
Coverage Period	1946--2026	80 years of Indonesian legislation

Verified data only -- every law is enumerated from peraturan.go.id (JDIH Nasional), with full text sourced from peraturan.bpk.go.id (BPK RI). Zero LLM-generated content.

Key Laws with Full Article Text

Law	Articles	Description
UU 27/2022 (PDP Law)	76	Personal Data Protection -- Indonesia's GDPR equivalent
UU 11/2008 (ITE Law)	54	Electronic Information and Transactions
UU 36/1999 (Telecom)	37	Telecommunications
UU 8/1999 (Consumer)	36	Consumer Protection
UU 3/2011 (Fund Transfer)	35	Fund Transfer
UU 7/2014 (Trade)	32	Trade
UU 40/2007 (Company)	26	Limited Liability Companies (PT)
UU 19/2016 (ITE Amdt)	13	ITE Law Amendment

Available Tools (8)

Core Legal Research Tools

Tool	Description
search_legislation	FTS5 search on 2,225 provisions with BM25 ranking
get_provision	Retrieve specific provision by law identifier + Pasal number
list_documents	List all 1,924 laws with status and metadata
validate_citation	Validate citation against database (zero-hallucination check)
check_currency	Check if statute is in force, amended, or repealed
get_definitions	Get legal term definitions from Pasal 1 (Ketentuan Umum)
format_citation	Format citations per Indonesian conventions
build_legal_stance	Aggregate citations across multiple statutes

EU Law Integration Tools (5)

Tool	Description
get_eu_basis	Get EU directives/regulations referenced in Indonesian law
get_indonesian_implementations	Find Indonesian laws implementing EU acts
search_eu_implementations	Search EU documents with Indonesian implementation counts
get_provision_eu_basis	Get EU references for specific provision
validate_eu_compliance	Check implementation status

Data Sources & Architecture

Census-First Full Corpus Ingestion

This MCP uses a census-first approach:

• Census (scripts/census.ts): Enumerates all 1,924 Undang-Undang from peraturan.go.id paginated listing
• Ingest (scripts/ingest.ts): For each law, fetches full text from BPK RI (when accessible), falls back to metadata-only seed
• Build (scripts/build-db.ts): Compiles all seeds into optimized SQLite with FTS5

peraturan.go.id (census) --> peraturan.bpk.go.id (full text) --> SQLite + FTS5 --> MCP response
                                    |
                         geo-blocked? --> metadata-only seed

Sources

• peraturan.go.id -- JDIH Nasional (Ministry of Law and Human Rights). Canonical listing of all Indonesian legislation.
• peraturan.bpk.go.id -- BPK RI (Audit Board of the Republic of Indonesia). Full-text HTML of legislation with Pasal/Bab structure.

Data Coverage by Decade

Decade	Laws
1940s	113
1950s	421
1960s	191
1970s	82
1980s	101
1990s	185
2000s	367
2010s	216
2020s	248

Security

This project uses multiple layers of automated security scanning:

Scanner	What It Does	Schedule
CodeQL	Static analysis for security vulnerabilities	Weekly + PRs
Semgrep	SAST scanning (OWASP top 10, secrets, TypeScript)	Every push
Gitleaks	Secret detection across git history	Every push
Trivy	CVE scanning on filesystem and npm dependencies	Daily

See SECURITY.md for the full policy and vulnerability reporting.

Important Disclaimers

Legal Advice

THIS TOOL IS NOT LEGAL ADVICE

Statute text is sourced from official Indonesian government databases. However:

• This is a research tool, not a substitute for professional legal counsel
• Full article text is available for 8 key laws only -- most laws have metadata only
• Verify critical citations against primary sources (peraturan.go.id or peraturan.bpk.go.id)
• Bahasa Indonesia is the legally binding language -- no English translations are official

Before using professionally, read: DISCLAIMER.md | PRIVACY.md

Client Confidentiality

Queries go through the Claude API. For privileged or confidential matters, use on-premise deployment. See PRIVACY.md for guidance.

Development

Setup

git clone https://github.com/Ansvar-Systems/indonesian-law-mcp
cd indonesian-law-mcp
npm install
npm run build
npm test

Running Locally

npm run dev                                       # Start MCP server
npx @anthropic/mcp-inspector node dist/index.js   # Test with MCP Inspector

Data Pipeline

npm run census                           # Enumerate all 1,924 laws from peraturan.go.id
npm run ingest                           # Fetch full text from BPK RI + generate seeds
npm run ingest -- --resume               # Resume (skip existing seed files)
npm run ingest -- --limit 10             # Test with first 10 laws
npm run build:db                         # Rebuild SQLite database from seeds
npm run check-updates                    # Check for new legislation

Pipeline Details

Step	Script	Output
Census	scripts/census.ts	data/census.json (1,924 laws)
Ingest	scripts/ingest.ts	data/seed/*.json (per-law JSON)
Build	scripts/build-db.ts	data/database.db (2.1 MB SQLite)

Performance

• Search Speed: <100ms for most FTS5 queries
• Database Size: ~2.1 MB (efficient, portable)
• Census: ~50 seconds for full corpus enumeration
• Ingestion: ~6 seconds with metadata-only fallback

Related Projects: Complete Compliance Suite

This server is part of Ansvar's Compliance Suite:

@ansvar/eu-regulations-mcp

Query 49 EU regulations directly from Claude -- GDPR, AI Act, DORA, NIS2, and more. npx @ansvar/eu-regulations-mcp

@ansvar/us-regulations-mcp

Query US federal and state compliance laws -- HIPAA, CCPA, SOX, and more. npx @ansvar/us-regulations-mcp

@ansvar/swedish-law-mcp

Query 2,415 Swedish statutes -- DSL, BrB, ABL, MB, and more. npx @ansvar/swedish-law-mcp

@ansvar/security-controls-mcp

Query 261 security frameworks -- SCF, ISO 27001, NIST CSF, SOC 2. npx @ansvar/security-controls-mcp

Contributing

Contributions welcome! Priority areas:

• Full-text expansion -- Additional BPK RI Detail IDs for more laws
• Peraturan Pemerintah (PP) -- Government regulations (implementing legislation)
• Peraturan Presiden (Perpres) -- Presidential regulations
• English translation alignment for key statutes
• Historical amendment tracking

Roadmap

• Census-first full corpus -- 1,924 Undang-Undang enumerated from peraturan.go.id
• Full text for key laws -- PDP, ITE, Company, Consumer, Telecom, Trade, Fund Transfer
• Full text expansion via BPK RI (from Indonesian IP access)
• Peraturan Pemerintah (PP) coverage
• Case law integration
• Daily freshness checks
• Premium tier with version tracking

Citation

If you use this MCP server in academic research:

@software{indonesian_law_mcp_2026,
  author = {Ansvar Systems AB},
  title = {Indonesian Law MCP Server: Census-First Legal Research Tool},
  year = {2026},
  url = {https://github.com/Ansvar-Systems/indonesian-law-mcp},
  note = {1,924 Indonesian Undang-Undang with full-text search}
}

License

Apache License 2.0. See LICENSE for details.

Data Licenses

• Legislation: Government Open Data (Republic of Indonesia)
• Source: peraturan.go.id (JDIH Nasional) + peraturan.bpk.go.id (BPK RI)

About Ansvar Systems

We build AI-accelerated compliance and legal research tools. This MCP server covers the Indonesian legal system -- the largest economy in ASEAN with 270M+ people and a rapidly evolving regulatory landscape.

ansvar.eu -- Stockholm, Sweden

_{Built with care in Stockholm, Sweden}