RPN Calculator is answering right now. Last checked 14 min ago. It exposes 1 tools.
Evaluates Reverse Polish Notation (postfix) expressions: arithmetic, trig, logs, bitwise ops.
RPN Calculator does not always answer
Over the last week it answered 48.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.
claude mcp add rpn-calculator --transport http https://apished.com/mcp/v1/rpncalc{
"mcpServers": {
"rpn-calculator": {
"url": "https://apished.com/mcp/v1/rpncalc"
}
}
}[mcp_servers.rpn-calculator]
url = "https://apished.com/mcp/v1/rpncalc"{
"mcpServers": {
"rpn-calculator": {
"url": "https://apished.com/mcp/v1/rpncalc"
}
}
}{
"mcpServers": {
"rpn-calculator": {
"url": "https://apished.com/mcp/v1/rpncalc"
}
}
}Available tools 1
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
rpncalc_eval
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://apished.com/mcp/v1/rpncalc | streamable-http | answering | 229 ms | 14 min ago |
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RPN Calculator — questions
Answers built from our own checks of this server.