Czech Company Registry (ARES) Tools

Connect Remote server

claude mcp add --transport http czid https://czid.casuyi.com/mcp

{
  "mcpServers": {
    "czid": {
      "url": "https://czid.casuyi.com/mcp"
    }
  }
}

{
  "servers": {
    "czid": {
      "type": "http",
      "url": "https://czid.casuyi.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://czid.casuyi.com/mcp

Tools 6 found in our last check

• company_lookup

  Basic register (ARES) lookup: name, legal form, registered address, NACE, data-box, VAT DIČ. Input: IČO (8 digits) or DIČ (CZ+10).

• check_vat

  Plátce-DPH status from the ARES RZP record, cross-checked against the ARES DPH source flag. RZP is a HISTORICAL register (records can stop updating in 2016), so a positive here is not proof of current plátcost — the result carries registerState + caution when the two disagree. F…

• entity_status

  KYC-style snapshot: active/cancelled, which registers the entity appears in (VR, RZP, IR insolvency, NRPZS, RCNS, SZR...), plus an insolvency presence flag (IR). Insolvency is presence-only — case detail needs ISIR.

• search_company

  Company-name search in ARES (prefix match, case-insensitive; no wildcards). Returns IČOs + names + addresses for further lookups.

• validate_cz

  Checksum/format validation: IČO (mod-11), DIČ (CZ+IČO or birth number), IBAN (mod-97, CZ-specific), variable symbol. Pure local, no network.

• address_check

  Free-text Czech address -> RÚIAN-standardized (full KOD ADM, codes for obec/část/ulice, correct PSC).

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