OpenSwissData MCP Server

Lookup Swiss federal open data from any MCP client (Claude Desktop, Cursor, Cline, Claude Code) via 9 dedicated tools.

Datasets covered

• TARES — Swiss customs tariff schedule (BAZG)
• FINMA — Authorized financial entities registry
• NOGA / NACE / ISIC — Economic activity classifications

Tools

1. tariff_lookup — Lookup HS code by description or code
2. tariff_semantic_search — Natural language search across tariffs
3. tariff_changelog — Version diff between TARES releases
4. cross_walk — Map codes between NOGA, NACE, ISIC
5. classify_text — Classify business descriptions to NOGA codes
6. kyc_check — Combined entity verification (FINMA + tariff)
7. finma_search — Search FINMA-supervised entities
8. entity_history — Audit trail for FINMA entity changes
9. statent_lookup — Lookup Swiss statistical enterprise data

Quick start

npx -y @openswissdata/mcp                                                                                                                                      
                                                                                                                                                               
For Claude Desktop, add to claude_desktop_config.json:                                                                                                         
                                                                                       
{                                                                                                                                                              
  "mcpServers": {                                                                      
    "openswissdata": {                                                                                                                                         
      "command": "npx",                                                                
      "args": ["-y", "@openswissdata/mcp"]
    }                                  
  }                                                                                                                                                            
}                                               
                                                                                                                                                               
Anonymous tier works out of the box (~100 req/day/IP). For higher quotas, bring your own OPENSWISSDATA_API_KEY from https://www.openswissdata.com.
                                                            
Provenance                                      
                                                
- BAZG (Federal Customs) written commercial permission obtained 2026-04-21                                                                                     
- Ed25519 signatures + RFC-3161 timestamps on every dataset release
- Apache 2.0 license                                                                                                                                           
- Source code public on GitHub                                                         
                                                                                                                                                               
Built and maintained by Claude-Alain Martin (Switzerland).