Beta v0.2. We process publicly available data from official Slovak state registers only. PrivacyObject / eraseContact
For AI agents

ORSF MCP server for Slovak companies

@orsf/mcp-server is a Model Context Protocol server that gives AI agents (Claude, ChatGPT, Cursor, Zed, Continue, Windsurf) direct access to 1.25M+ Slovak companies and sole traders via tool-calls. One-line install. Free, open-source, MIT-licensed.

Package@orsf/mcp-server
LicenseMIT
Version0.1.0
PricingFree

Install in 30 seconds

Claude Code

bash
claude mcp add orsf -- npx -y @orsf/mcp-server

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

json
{
  "mcpServers": {
    "orsf": {
      "command": "npx",
      "args": ["-y", "@orsf/mcp-server"]
    }
  }
}

Cursor / Continue / Windsurf / Zed

Use the same JSON config in your tool's MCP settings file.

What tools does the server expose?

ToolDescriptionAuth
search_companiesFulltext + filters (Meilisearch)
get_companyCompany detail by IČO
get_company_graphConnection graph company↔persons↔companies
get_personPerson detail + all roles
get_person_graphPerson-centric graph
get_statsAggregate counts
refresh_companyForce-refresh from source✅ + rate-limit

Example conversation

After install, in Claude (or any MCP client) you can ask:

Use orsf to find companies with "poisťovňa" in their name in Bratislava
Use orsf get_company 55609830
Show me the connection graph for 35757442
How many VAT payers are in district SK010?

Security and privacy

  • Server runs locally — never sends your prompts to any third party.
  • Only calls the ORSF REST API at api.orsf.sk.
  • Auth required only for person-level data (GDPR Art. 6(1)(f)).
  • Open-source — full source on GitHub.

Next steps