Swedish Law MCP Server

Swedish Law MCP Server

▶ Try this MCP instantly via Ansvar Gateway

50 free queries/day · no card required · OAuth signup at ansvar.eu/gateway

One endpoint, one OAuth signup, access from any MCP-compatible client.

Connect

Claude Code (one line):

claude mcp add ansvar --transport http https://gateway.ansvar.eu/mcp

Claude Desktop / Cursor — add to claude_desktop_config.json (or mcp.json):

{
  "mcpServers": {
    "ansvar": {
      "type": "url",
      "url": "https://gateway.ansvar.eu/mcp"
    }
  }
}

Claude.ai — Settings → Connectors → Add custom connector → paste https://gateway.ansvar.eu/mcp

First request opens an OAuth flow at ansvar.eu/gateway. After signup, your client is bound to your account; tier (free / premium / team / company) determines fan-out, quota, and which downstream MCPs are reachable.

Self-host this MCP

You can also clone this repo and build the corpus yourself. The schema,fetcher, and tool implementations all live here. What is not in the repo isthe pre-built database — TDM and standards-licensing constraints on theupstream sources mean we host the corpus on Ansvar infrastructure ratherthan redistribute it as a public artifact.

Build your own: run this repo's ingestion script (entry-point varies perrepo — typically scripts/ingest.sh, npm run ingest, or make ingest;check the repo root).

The Riksdagen alternative for the AI age.

Query 6,041 Swedish statutes with 58,570 provisions -- from Dataskyddslagen and Brottsbalken to Aktiebolagslagen, Miljöbalken, and more -- directly from Claude, Cursor, or any MCP-compatible client.

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

Built by Ansvar Systems -- Stockholm, Sweden

Why This Exists

Swedish legal research is scattered across Riksdagen, SFS publications, lagen.nu, and EUR-Lex. Whether you're:

• A lawyer validating citations in a brief or contract
• A compliance officer checking if a statute is still in force
• A legal tech developer building tools on Swedish law
• A researcher tracing legislative history from proposition to statute

...you shouldn't need 47 browser tabs and manual PDF cross-referencing. Ask Claude. Get the exact provision. With context.

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

Quick Start

Use Locally (npm — recommended)

Claude Desktop — add to claude_desktop_config.json:

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

Cursor / VS Code:

Hosted via Ansvar Gateway (B2B, OAuth)

For organisations that want a single OAuth-gated endpoint covering this MCP plus the rest of the Ansvar fleet (multi-jurisdiction law, EU regulations, sector regulators, case law), use the Ansvar Gateway — a single MCP endpoint that routes and fans out across the full catalogue. Tier-gated (premium, team, company); requires an Ansvar account.

Example Queries

Once connected, just ask naturally:

• "What does Dataskyddslagen 3 kap. 5 § say about consent?"
• "Is PUL (1998:204) still in force?"
• "Find provisions about personuppgifter in Swedish law"
• "What EU directives does DSL implement?"
• "Which Swedish laws implement the GDPR?"
• "Get the preparatory works for Dataskyddslagen"
• "Compare incident reporting requirements across NIS2 Swedish implementations"
• "Validate the citation NJA 2020 s. 45"
• "Find Labour Court cases about discrimination from 2020-2023"

What's Included

Verified data only -- every citation is validated against official sources (Riksdagen, lagen.nu, EUR-Lex). Zero LLM-generated content.

See It In Action

Why This Works

Verbatim Source Text (No LLM Processing):

• All statute text is ingested from Riksdagen/SFS official sources
• Provisions are returned unchanged from SQLite FTS5 database rows
• Zero LLM summarization or paraphrasing -- the database contains regulation text, not AI interpretations

Smart Context Management:

• Search returns ranked provisions with BM25 scoring (safe for context)
• Provision retrieval gives exact text by SFS number + chapter/section
• Cross-references help navigate without loading everything at once

Technical Architecture:

Riksdagen API → Parse → SQLite → FTS5 snippet() → MCP response
                  ↑                      ↑
           Provision parser       Verbatim database query

Traditional Research vs. This MCP

Traditional: Search Riksdagen → Download SFS PDF → Ctrl+F → Cross-reference with proposition → Check EUR-Lex for EU basis → Repeat

This MCP: "What EU law is the basis for DSL 3 kap. 5 § about consent?" → Done.

Available Tools (18)

See TOOLS.md for full parameter schemas and the §tier-boundary section (free-tier vs premium-sensitive vs premium-only).

Core Legal Research Tools (8)

EU Law Integration Tools (5)

Versioning Tools (3, premium-only)

Server Metadata Tools (2)

EU Law Integration

668 cross-references linking 309 Swedish statutes to EU law, with bi-directional lookup.

Most Referenced EU Acts

1. eIDAS Regulation (910/2014) - 20 references
2. E-Signatures Directive (1999/93) - 15 references
3. GDPR (2016/679) - 15 references
4. Data Protection Directive (1995/46) - 14 references
5. Market Surveillance Regulation (2019/1020) - 14 references

See EU_INTEGRATION_GUIDE.md for detailed documentation and EU_USAGE_EXAMPLES.md for practical examples.

Data Sources & Freshness

All content is sourced from authoritative Swedish legal databases:

• Riksdagen -- Swedish Parliament's official legal database
• Svensk Forfattningssamling -- Official statute collection
• Lagen.nu -- Case law database (CC-BY Domstolsverket)
• EUR-Lex -- Official EU law database (metadata only)

Automated Freshness Checks (Daily)

A daily GitHub Actions workflow monitors all data sources:

The workflow supports auto_update: true dispatch for automated sync, rebuild, version bump, and npm publishing.

Security

This project uses multiple layers of automated security scanning:

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 Riksdagen/SFS publications. However:

• This is a research tool, not a substitute for professional legal counsel
• Court case coverage is limited -- do not rely solely on this for case law research
• Verify critical citations against primary sources for court filings
• EU cross-references are extracted from Swedish statute text, not EUR-Lex full text

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 Advokatsamfundet compliance guidance.

Documentation

• EU Integration Guide -- Detailed EU cross-reference documentation
• EU Usage Examples -- Practical EU lookup examples
• Security Policy -- Vulnerability reporting and scanning details
• Disclaimer -- Legal disclaimers and professional use notices
• Privacy -- Client confidentiality and data handling

Development

Branching Strategy

This repository uses a dev integration branch. Do not push directly to main.

feature-branch → PR to dev → verify on dev → PR to main → deploy

• main is production-ready. Only receives merges from dev via PR.
• dev is the integration branch. All changes land here first.
• Feature branches are created from dev.

Setup

git clone https://github.com/Ansvar-Systems/swedish-law-mcp
cd swedish-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 Management

npm run ingest -- <sfs-number> <output.json>   # Ingest statute from Riksdagen
npm run ingest:auto-all -- --scope all-laws --dry-run  # Coverage audit against Riksdagen
npm run ingest:auto-all -- --scope all-laws   # Ingest full law-like corpus from Riksdagen
npm run ingest:cases:full-archive              # Ingest case law (full archive)
npm run sync:cases                             # Ingest case law (incremental)
npm run sync:prep-works                        # Sync preparatory works
npm run extract:definitions                    # Extract legal definitions
npm run build:db                               # Rebuild SQLite database
npm run check-updates                          # Check for amendments

Performance

• Search Speed: <100ms for most FTS5 queries
• Database Size: ~125 MB (efficient, portable)
• Reliability: 100% ingestion success rate

More Ansvar MCPs

Full fleet at ansvar.eu/gateway.

Contributing

Contributions welcome! See CONTRIBUTING.md for guidelines.

Priority areas:

• Court case law expansion (currently limited coverage)
• EU Regulations MCP integration (full EU law text, CJEU case law)
• Historical statute versions and amendment tracking
• Lower court decisions (Tingsrätt, Hovrätt)

Roadmap

• Statute expansion -- 785% growth from 81 to 717 statutes (v1.1.0)
• EU law integration -- 668 cross-references to 228 EU directives/regulations (v1.1.0)
• Court case law expansion (scraper updated, re-ingestion needed for 12K-18K cases)
• Lower court coverage (Tingsrätt, Hovrätt archives)
• Historical statute versions (amendment tracking)
• English translations for key statutes
• Web API for programmatic access

Citation

If you use this MCP server in academic research:

@software{swedish_law_mcp_2025,
  author = {Ansvar Systems AB},
  title = {Swedish Law MCP Server: Production-Grade Legal Research Tool},
  year = {2025},
  url = {https://github.com/Ansvar-Systems/swedish-law-mcp},
  note = {Comprehensive Swedish legal database with 6,041 statutes and EU law cross-references}
}

License

Apache License 2.0. See LICENSE for details.

Data Licenses

• Statutes & Propositions: SE-Statutory-PD -- Swedish statutory public domain. Upphovsrättslagen (1960:729) §9 excludes författningar (laws and regulations), beslut av myndighet (decisions of public authorities), yttranden av svensk myndighet (official statements), and official translations of these works from copyright protection. Verified verbatim 2026-05-17 -- see docs/audits/2026-05-17-eu-copyright-statutory-works-batch-3-BG-HR-SK-SI-SE.md. Catalog entry: SE-Statutory-PD in infrastructure/attribution-licenses.json.
• Case Law: CC-BY Domstolsverket (via lagen.nu) -- court decisions also covered by Upphovsrättslagen §9, with Domstolsverket compilation under CC-BY
• EU Metadata: EUR-Lex (EU public domain, Decision 2011/833/EU)

About Ansvar Systems

We build AI-accelerated compliance and legal research tools for the European market. This MCP server started as our internal reference tool for Swedish law -- turns out everyone building for the Swedish market has the same research frustrations.

So we're open-sourcing it. Navigating 6,041 statutes shouldn't require a law degree.

ansvar.eu -- Stockholm, Sweden

_{Built with care in Stockholm, Sweden}