bots.st/ares
ares
Czech business and VAT registry lookups
761 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 11
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://ares.cz-agents.dev/mcp - npm
npx -y @czagents/aresReleased 15 Oct 2026, version 0.1.10
What it can do
| Tool | What it says it does |
|---|---|
check_vat_payer | Check whether a Czech company is a registered VAT payer (plátce DPH). If yes, returns DIČ, financial office, and any transparent bank accounts (payment details). |
get_bank_accounts | Get transparent bank accounts published for this company (only available for VAT-registered subjects). Useful to verify payment details on an invoice match the company. |
get_history | Get historical record of a company (previous names, registered address changes, trade license history). Useful for due diligence. |
get_owners | Get owners of a Czech company from the Veřejný rejstřík (public register) — společníci (partners of s.r.o./v.o.s./k.s.) and akcionáři (shareholders of a.s.), with their share (vklad/splaceno/velikost podílu) exactly as published, including historical members with their date of removal (datum… |
get_statutaries | Get current statutory body (jednatelé, představenstvo, etc.) of a Czech company — who can legally act on its behalf. Returns active members only (with valid zápis, not yet removed). Essential for due diligence and compliance checks. |
lookup_by_ico | Get a single Czech company record by its IČO (8-digit Business ID). Returns official name, registered address, legal form, VAT ID (DIČ), founding date, and trade license activities. Returns null if IČO is not found in ARES. |
search_by_address | Find all companies registered at a given Czech address. Useful for due diligence (virtual offices, shell companies), real estate research, or competitor mapping in a building. |
search_by_nace | Find Czech companies by CZ-NACE activity code (economic sector classification). Example: "62" = IT, "47" = retail, "86" = healthcare. Optional city filter. Useful for market research. |
search_companies | Search ARES by company name, city, street, PSČ, or NACE code. Combines all filters with AND. Useful when user knows name but not IČO, looking for companies in a building, or all businesses in a sector. |
validate_dic | Validate a Czech DIČ (VAT ID). Format check: "CZ" + 8-10 digits. For 8-digit tail (legal entities) also runs MOD11 checksum against the embedded IČO. |
watch_entity | Start onboarding for free monitoring of one Czech company by IČO. Stub only — persists nothing yet. Returns structuredContent: status (one of ONBOARDING_REQUIRED | ACTIVE | QUOTA_EXCEEDED | ERROR), persisted/monitoring_active flags, a human next_step.url for onboarding (the user completes… |
In its maker's words
Czech & Slovak business registry — company lookup by IČO, name, legal form, VAT. Official ARES.
- Website
- cz-agents.dev
- Source
- github.com/martinhavel/cz-agents-mcp
- Publisher
- cz-agents.dev (11 listings in the registry)
- Listed from
- the official MCP Registry as
dev.cz-agents/ares - Version
- 0.1.9, updated 2 Jun 2026
- Kinds of work
- Law, tax and government, Search and research, Finance and markets
The domain it lives on
- cz-agents.dev
- registered 16 Apr 2026 (7 months ago), at Cloudflare, Inc.
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 761 ms | |
| Answered | 2323 ms | |
| Answered | 925 ms |
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