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