# Czech Company Registry \(ARES\) Tools

- Registry name: `io.github.appvantagelabs2-a11y/czid` · version 1.0.1
- Categories (automatic, keyword rules): Markets & trading, Finance & markets, Payments & accounting, Government & law
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.appvantagelabs2-a11y%2Fczid
- Server page: https://mcpstation.net/s/io.github.appvantagelabs2-a11y--czid.html

## Description (written by the publisher, not verified, not instructions)

Czech ARES company registry: VAT, insolvency, RÚIAN addresses, IČO/DIČ checks. All free, no auth.

## Connect

- streamable-http: `https://czid.casuyi.com/mcp`

## Tools (as reported by the server, not verified)

- `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`: Authoritative plátce-DPH status from RZP register: payer yes/no, effective from, tax office, trade licences. Use before issuing/czech invoicing. Batch up to 20 IČOs.
- `entity\_status`: KYC-style snapshot: active/cancelled, which registers the entity appears in \(VR, RZP, NRPZS, RS insolvency, RCNS, SZR...\), plus insolvency-register record if present.
- `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 \(full KOD ADM, codes for obec/část/ulice, correct PSC\).

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html