retsinformation-api-mcp

MCP server for the Danish Retsinformation API — gives Claude (and other LLMs) direct access to Danish laws, bills, parliamentary cases, actors, and more.

Quick start

Add to your Claude Code config (~/.claude/claude_desktop_config.json):

{
  "mcpServers": {
    "retsinformation": {
      "command": "npx",
      "args": ["-y", "retsinformation-api-mcp"]
    }
  }
}

Or run directly:

npx retsinformation-api-mcp

Tools (47 total)

Laws (Love) — 17 tools

Tool	Description
search_laws	Search/list laws with filtering by year, ministry, type
get_law	Get a specific law by year and number
get_law_cases	Get parliamentary cases related to a law
get_law_legislative_history	Full legislative history with process steps
get_law_actors	Get actors involved with a law
get_law_amendments	Get all amendments to a law
get_law_versions	Get version history
get_law_latest_version	Get latest version with all amendments applied
get_law_version	Get a specific version by number
get_law_at_date	Get law as it looked on a given date
diff_law_versions	Compare two versions
get_law_paragraph	Get a specific paragraph from a law
get_law_paragraph_stk	Get a subsection (stk.) of a paragraph
get_law_markdown	Export law as Markdown
get_law_latest_markdown	Export latest version as Markdown
get_law_at_date_markdown	Export historical version as Markdown
get_law_version_markdown	Export specific version as Markdown

Bills (Lovforslag) — 11 tools

Tool	Description
search_bills	Search/list legislative bills
get_bill	Get a specific bill by number
get_bill_steps	Get legislative process steps
get_bill_actors	Get actors involved
get_bill_documents	Get related documents
get_bill_enacted_law	Get the enacted law from a bill
get_bill_keywords	Get topic keywords
get_bill_text	Get bill text content
get_bill_step_actors	Get actors in a specific step
get_bill_step_documents	Get documents for a step
get_bill_document_files	Get downloadable files

Parliamentary Cases (Folketingssager) — 9 tools

Tool	Description
search_cases	Search all 13 case types
get_case	Get a case by FT ID
get_case_steps	Get process steps
get_case_actors	Get actors involved
get_case_documents	Get case documents
get_case_keywords	Get topic keywords
get_case_text	Get case text
get_case_step_actors	Get step actors
get_case_step_documents	Get step documents

Keywords (Emneord) — 3 tools

Tool	Description
search_keywords	Search topic keywords
get_keyword	Get a keyword by FT ID
get_keyword_cases	Get cases with a keyword

Actors (Aktorer) — 4 tools

Tool	Description
search_actors	Search politicians, committees, ministries
get_actor	Get an actor by FT ID
get_actor_relationships	Get actor relationships
get_actor_memberships	Get party/committee memberships

Periods (Perioder) — 3 tools

Tool	Description
search_periods	List parliamentary periods
get_current_period	Get current period
get_period	Get period by FT ID

Rate limiting

The Retsinformation API allows 20 requests/hour and 50 requests/day per IP. This server includes a 30-minute in-memory cache to minimize API calls.

Development

npm install
npm run build
npm start

License

MIT