Ares is a Model Context Protocol (MCP) server: Czech & Slovak business registry — company lookup by IČO, name, legal form, VAT. Official ARES. As an MCP server it plugs straight into AI assistants, exposing its functionality as tools the model can invoke on your behalf.
You can run Ares two ways: connect to the hosted endpoint at https://ares.cz-agents.dev/mcp with no local install, or run it on your own machine via the npm package @czagents/ares. The current release is v0.1.9, published under the MIT license, with source at martinhavel/cz-agents-mcp on GitHub.
You'll find Ares in the Development category here on mcp.site; it connects to Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and any other MCP client — see the install snippets below. If you maintain Ares for cz-agents.dev, claim this listing to verify ownership, earn the Verified badge, and keep the details current.