Czech Company Registry (ARES) Tools
mcp remote · streamable-http · v1.0.1 · source: crawl
https://czid.casuyi.com/mcp
Czech ARES company registry: VAT, insolvency, RÚIAN addresses, IČO/DIČ checks. All free, no auth.
Works
100
Verified Oct 31, 2026 · p50 496 ms · p95 609 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'czid-mcp' |
| tools_listed | 15 | pass | 6 tools |
| schema_complete | 15 | pass | 6 of 6 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 496 ms |
| latency_p95 | 5 | pass | p95 609 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (6)
| Name | Description | Schema |
|---|---|---|
company_lookup | Basic register (ARES) lookup: name, legal form, registered address, NACE, data-box, VAT DIČ. Input: IČO (8 digits) or DIČ (CZ+10). | typed |
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 | typed |
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 det | typed |
search_company | Company-name search in ARES (prefix match, case-insensitive; no wildcards). Returns IČOs + names + addresses for further lookups. | typed |
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. | typed |
address_check | Free-text Czech address -> RÚIAN-standardized (full KOD ADM, codes for obec/část/ulice, correct PSC). | typed |
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[](https://app.agent-xm.com/a/io-github-appvantagelabs2-a11y-czid)
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