What types of calculators are included?
The API covers over 2,300 calculators in finance, taxes, health, and sports.
@grblasquiz
Basic information
Free no-auth REST API + remote MCP server to run 2,300+ practical calculators (finance, taxes ARCA/SAT, health, sports, cooking, home, science) from hacecuentas.com, localized for Argentina, Mexico, Spain, Chile, Colombia, Brazil and the US. Tools: search_calculators, get_calcula
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"hacecuentas": {
"url": "https://hacecuentas.com/mcp"
}
}
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It is a free, no-authentication JSON API and remote MCP server that provides access to over 2,300 calculators spanning finance, taxes, health, and sports. It is explicitly designed to be used by LLMs and AI agents.
As a remote MCP server, it requires no local installation. Configure your MCP client (e.g., Claude Desktop) to connect to the server endpoint. Full details on setup, endpoints, and usage are available in the documentation at hacecuentas.com/desarrolladores.
The API covers over 2,300 calculators in finance, taxes, health, and sports.
No, it is a completely free, no-authentication API.
Refer to the documentation at hacecuentas.com/desarrolladores for endpoint details and configuration instructions.
Yes, it is explicitly built to be LLM/agent ready, allowing agents to call calculators directly.

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