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).