Swedish Law MCP Server
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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 is the pre-built database — TDM and standards-licensing constraints on the upstream sources mean we host the corpus on Ansvar infrastructure rather than redistribute it as a public artifact.
Build your own: run this repo's ingestion script (entry-point varies per
repo — 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.json
Windows: %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
| Category | Count | Details |
|---|---|---|
| Statutes | 6,041 statutes | Comprehensive Swedish legislation |
| Provisions | 58,570 sections | Full-text searchable with FTS5 |
| Preparatory Works | 6,735 documents | Propositions (Prop.) and SOUs |
| EU Cross-References | 668 references | 228 EU directives and regulations |
| Legal Definitions | 0 (free tier) | Table reserved, extraction not enabled in current free build |
| Database Size | ~125 MB | Optimized SQLite, portable |
| Daily Updates | Automated | Freshness checks against Riksdagen |
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 Approach | This MCP Server |
|---|---|
| Search Riksdagen by SFS number | Search by plain Swedish: "personuppgifter samtycke" |
| Navigate multi-chapter statutes manually | Get the exact provision with context |
| Manual cross-referencing between laws | build_legal_stance aggregates across sources |
| "Is this statute still in force?" → check manually | check_currency tool → answer in seconds |
| Find EU basis → dig through EUR-Lex | get_eu_basis → linked EU directives instantly |
| Check 5+ sites for updates | Daily automated freshness checks |
| No API, no integration | MCP protocol → AI-native |
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)
| Tool | Description |
|---|---|
search_legislation | FTS5 search on 58,570 provisions with BM25 ranking |
get_provision | Retrieve specific provision by SFS + chapter/section |
search_case_law | FTS5 search on case law with court/date filters (premium-sensitive) |
get_preparatory_works | Get linked propositions and SOUs for a statute (premium-sensitive) |
validate_citation | Validate citation against database (zero-hallucination check) |
build_legal_stance | Aggregate citations from statutes, case law, prep works (premium-sensitive) |
format_citation | Format citations per Swedish conventions (full/short/pinpoint) |
check_currency | Check if statute is in force, amended, or repealed |
EU Law Integration Tools (5)
| Tool | Description |
|---|---|
get_eu_basis | Get EU directives/regulations for Swedish statute |
get_swedish_implementations | Find Swedish laws implementing EU act |
search_eu_implementations | Search EU documents with Swedish implementation counts |
get_provision_eu_basis | Get EU law references for specific provision |
validate_eu_compliance | Check implementation status (future, requires EU MCP) |
Versioning Tools (3, premium-only)
| Tool | Description |
|---|---|
get_provision_history | Provision version history showing amendments over time |
diff_provision | Diff two versions of a provision |
get_recent_changes | Recent statute changes within a time window |
Server Metadata Tools (2)
| Tool | Description |
|---|---|
list_sources | Data provenance metadata per source |
about | Server stats, freshness, build date, tier, dataset summary |
EU Law Integration
668 cross-references linking 309 Swedish statutes to EU law, with bi-directional lookup.
| Metric | Value |
|---|---|
| EU References | 668 cross-references |
| EU Documents | 228 unique directives and regulations |
| Swedish Statutes with EU Refs | 309 (12.8% of statutes) |
| Directives | 89 |
| Regulations | 139 |
| EUR-Lex Integration | Automated metadata fetching |
Most Referenced EU Acts
- eIDAS Regulation (910/2014) - 20 references
- E-Signatures Directive (1999/93) - 15 references
- GDPR (2016/679) - 15 references
- Data Protection Directive (1995/46) - 14 references
- 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:
| Source | Check | Method |
|---|---|---|
| Statute amendments | Riksdagen API date comparison | All 6,041 statutes checked |
| New statutes | Riksdagen SFS publications (90-day window) | Diffed against database |
| Case law | lagen.nu feed entry count | Compared to database |
| Preparatory works | Riksdagen proposition API (30-day window) | New props detected |
| EU reference staleness | Git commit timestamps | Flagged if >90 days old |
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:
| 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 |
| Docker Security | Container image scanning + SBOM generation | Daily |
| Socket.dev | Supply chain attack detection | PRs |
| OSSF Scorecard | OpenSSF best practices scoring | Weekly |
| Dependabot | Automated dependency updates | Weekly |
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
mainis production-ready. Only receives merges fromdevvia PR.devis 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 -- seedocs/audits/2026-05-17-eu-copyright-statutory-works-batch-3-BG-HR-SK-SI-SE.md. Catalog entry:SE-Statutory-PDininfrastructure/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
<p align="center"> <sub>Built with care in Stockholm, Sweden</sub> </p>