RPN Calculator is answering right now. Last checked moments ago. It exposes 1 tools.
Evaluates Reverse Polish Notation (postfix) expressions: arithmetic, trig, logs, bitwise ops.
Nothing serious here today
Today is the operative word: we check RPN Calculator every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 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 | 203 ms | 0 min ago |
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RPN Calculator — questions
Answers built from our own checks of this server.