Hacé Cuentas — Free Calculators is answering right now. Last checked 3 min ago. It exposes 3 tools. Last commit 17 Sep 2026.
Free calculators as MCP tools: finance, taxes, health, units, dates. Search, fetch & compute.
We read the source, 22 h ago · tools taken from the live server · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
<label><span>Años de aportes <i title="Años reconocidos por ANSES">i</i></span><select id="years" aria-label="Años de aportes">{Array.from({length:31},(_,i)=>20+i).map(y=><option value={y} selected={y===30}>{y} años</option>)}</select></label>
__INCREMENTAL_CHANGES__: JSON.stringify(process.env.INCREMENTAL_CHANGES || ''),
svg.innerHTML = circles;
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 3 min ago.
claude mcp add hacecuentas --transport http https://hacecuentas.com/mcp
{
"mcpServers": {
"hacecuentas": {
"url": "https://hacecuentas.com/mcp"
}
}
}
[mcp_servers.hacecuentas]
url = "https://hacecuentas.com/mcp"
{
"mcpServers": {
"hacecuentas": {
"url": "https://hacecuentas.com/mcp"
}
}
}
{
"mcpServers": {
"hacecuentas": {
"url": "https://hacecuentas.com/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
get_calculator
search_calculators
compute
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://hacecuentas.com/mcp | streamable-http | answering | 1657 ms | 3 min ago |
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Answers built from our own checks of this server.