ARES MCP

An MCP server for the Czech ARES business registry that enables AI agents to perform company lookups, due diligence checks, and verify statutory bodies or insolvency status. It aggregates data from multiple public Czech registries to provide risk scoring, ownership graphs, and structured search capabilities, supporting both local stdio and remote HTTP transports.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by milos106

Vendor documentation

What you can do with it

Perform company lookup and due diligence checks
Verify statutory bodies and insolvency status
Search for companies by name or address
Generate risk scores and ownership graphs

Source and maintenance

Community listingRegistry 0.1.2

mcp-registry: io.github.milos106/ares-mcp@0.1.2 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@milos106/ares-mcp 0.1.2

npm

@milos106/ares-mcp package definition

{
  "version": "0.1.2",
  "transport": "stdio",
  "identifier": "@milos106/ares-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "ARES_PROVENANCE_PRIVATE_KEY",
      "description": "Optional Ed25519 private key (base64 PKCS#8 DER) to enable signed provenance envelopes. Omit to run unsigned."
    },
    {
      "name": "ARES_PROVENANCE_KEY_ID",
      "description": "Optional key id advertised in signed envelopes and the JWKS. Defaults to a thumbprint of the public key."
    },
    {
      "name": "ARES_BASE_URL",
      "description": "Optional override of the ARES REST base URL (defaults to the public ares.gov.cz endpoint)."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "ares-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@milos106/ares-mcp@0.1.2"
      ],
      "env": {
        "ARES_PROVENANCE_PRIVATE_KEY": "<YOUR_ARES_PROVENANCE_PRIVATE_KEY>",
        "ARES_PROVENANCE_KEY_ID": "<YOUR_ARES_PROVENANCE_KEY_ID>",
        "ARES_BASE_URL": "<YOUR_ARES_BASE_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "ares-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@milos106/ares-mcp@0.1.2"
      ],
      "env": {
        "ARES_PROVENANCE_PRIVATE_KEY": "<YOUR_ARES_PROVENANCE_PRIVATE_KEY>",
        "ARES_PROVENANCE_KEY_ID": "<YOUR_ARES_PROVENANCE_KEY_ID>",
        "ARES_BASE_URL": "<YOUR_ARES_BASE_URL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "ares-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@milos106/ares-mcp@0.1.2"
      ],
      "env": {
        "ARES_PROVENANCE_PRIVATE_KEY": "<YOUR_ARES_PROVENANCE_PRIVATE_KEY>",
        "ARES_PROVENANCE_KEY_ID": "<YOUR_ARES_PROVENANCE_KEY_ID>",
        "ARES_BASE_URL": "<YOUR_ARES_BASE_URL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "ares-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@milos106/ares-mcp@0.1.2"
      ],
      "env": {
        "ARES_PROVENANCE_PRIVATE_KEY": "<YOUR_ARES_PROVENANCE_PRIVATE_KEY>",
        "ARES_PROVENANCE_KEY_ID": "<YOUR_ARES_PROVENANCE_KEY_ID>",
        "ARES_BASE_URL": "<YOUR_ARES_BASE_URL>"
      }
    }
  }
}

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