Ares MCP server

Ares is an MCP server with 10 tools an agent can call, among them check_vat_payer, get_bank_accounts, get_history. It answers at https://ares.cz-agents.dev/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 10 September 2026; the last check, on 19 October 2026, succeeded.

Status

Answering

Tools

Official

yes, served from cz-agents.dev

Reliability

6 of 6 checks

Response time

157 ms

Transport

streamable HTTP

Last checked

19 October 2026

Czech & Slovak business registry — company lookup by IČO, name, legal form, VAT. Official ARES.

Description as the publisher wrote it.

The 10 tools Ares offers

Tool	What 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). Inputs: ico
`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. Inputs: ico
`get_history`	Get historical record of a company (previous names, registered address changes, trade license history). Useful for due diligence. Inputs: ico
`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. Inputs: ico
`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. Inputs: ico
`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. Inputs: street, city, psc, pocet
`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. Inputs: nace, city, pocet
`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. Inputs: query, city, street, psc, nace, pocet
`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. Inputs: dic
`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 Inputs: ico

Add Ares to your AI client

Every block below points at https://ares.cz-agents.dev/mcp. Pick your client and copy.

Claude Code: one command in your terminal

claude mcp add --transport http ares https://ares.cz-agents.dev/mcp

Claude Desktop: claude_desktop_config.json

{
  "mcpServers": {
    "ares": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://ares.cz-agents.dev/mcp"]
    }
  }
}

Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project

{
  "mcpServers": {
    "ares": {
      "url": "https://ares.cz-agents.dev/mcp"
    }
  }
}

VS Code and GitHub Copilot: .vscode/mcp.json

{
  "servers": {
    "ares": {
      "type": "http",
      "url": "https://ares.cz-agents.dev/mcp"
    }
  }
}

Zed: Zed settings.json

{
  "context_servers": {
    "ares": {
      "url": "https://ares.cz-agents.dev/mcp"
    }
  }
}

Windsurf: ~/.codeium/mcp_config.json

{
  "mcpServers": {
    "ares": {
      "serverUrl": "https://ares.cz-agents.dev/mcp"
    }
  }
}

JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON

{
  "mcpServers": {
    "ares": {
      "url": "https://ares.cz-agents.dev/mcp"
    }
  }
}

Continue: .continue/mcpServers/neuronto.yaml

name: Ares
version: 0.0.1
schema: v1
mcpServers:
  - name: Ares
    type: streamable-http
    url: https://ares.cz-agents.dev/mcp

Gemini CLI: ~/.gemini/settings.json

{
  "mcpServers": {
    "ares": {
      "httpUrl": "https://ares.cz-agents.dev/mcp"
    }
  }
}

Codex CLI: MCP server config

{
  "mcpServers": {
    "ares": {
      "type": "http",
      "url": "https://ares.cz-agents.dev/mcp"
    }
  }
}

Warp: MCP servers, + Add, paste JSON

{
  "mcpServers": {
    "ares": {
      "url": "https://ares.cz-agents.dev/mcp"
    }
  }
}

Goose: a one-click extension link

goose://extension?url=https%3A%2F%2Fares.cz-agents.dev%2Fmcp&type=streamable_http&id=ares&name=Ares

Is Ares up right now?

It answered our last check on 19 October 2026 in 157 ms. Over 6 checks since 10 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.

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Questions about Ares

Is there an official Ares MCP server?

Yes. It is published by cz-agents.dev and served from ares.cz-agents.dev, the vendor's own domain: https://ares.cz-agents.dev/mcp.

How many tools does Ares have?

10, as returned by the server's own tools/list on 11 September 2026: check_vat_payer, get_bank_accounts, get_history, get_statutaries, lookup_by_ico, search_by_address, search_by_nace, search_companies, and 2 more.

Is Ares down?

It answered our last check on 19 October 2026 in 157 ms. Over 6 checks since 10 September 2026 it answered 6.

How do I add Ares to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://ares.cz-agents.dev/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does Ares need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: dev.cz-agents. Endpoint host: ares.cz-agents.dev. ARD identifier: urn:air:dev.cz-agents:mcp:ares. First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.